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href="https://ca.wikipedia.org/wiki/Apache_Pig" title="Apache Pig – Catalan" lang="ca" hreflang="ca" data-title="Apache Pig" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Pig_(herramienta_de_programaci%C3%B3n)" title="Pig (herramienta de programación) – Spanish" lang="es" hreflang="es" data-title="Pig (herramienta de programación)" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Apache_Pig" title="Apache Pig – French" lang="fr" hreflang="fr" data-title="Apache Pig" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%95%84%ED%8C%8C%EC%B9%98_%ED%94%BC%EA%B7%B8" title="아파치 피그 – Korean" lang="ko" hreflang="ko" data-title="아파치 피그" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Pig_(programma)" title="Pig (programma) – Italian" lang="it" hreflang="it" data-title="Pig (programma)" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A4%D7%99%D7%92" title="פיג – Hebrew" lang="he" hreflang="he" data-title="פיג" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a 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dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Open-source data analytics software</div> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox vevent"><caption class="infobox-title summary">Apache Pig</caption><tbody><tr><td colspan="2" class="infobox-image logo"><span typeof="mw:File"><a href="/wiki/File:Apache_Pig_Logo.svg" class="mw-file-description" title="Apache Pig Logo"><img alt="Apache Pig Logo" src="//upload.wikimedia.org/wikipedia/en/thumb/b/bc/Apache_Pig_Logo.svg/250px-Apache_Pig_Logo.svg.png" decoding="async" width="250" height="109" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/b/bc/Apache_Pig_Logo.svg/375px-Apache_Pig_Logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/b/bc/Apache_Pig_Logo.svg/500px-Apache_Pig_Logo.svg.png 2x" data-file-width="445" data-file-height="194" /></a></span></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Programmer" title="Programmer">Developer(s)</a></th><td class="infobox-data"><a href="/wiki/Apache_Software_Foundation" class="mw-redirect" title="Apache Software Foundation">Apache Software Foundation</a>, <a href="/wiki/Yahoo!" class="mw-redirect" title="Yahoo!">Yahoo Research</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Initial release</th><td class="infobox-data">September 11, 2008<span class="noprint">; 16 years ago</span><span style="display:none"> (<span class="bday dtstart published updated">2008-09-11</span>)</span></td></tr><tr style="display: none;"><td colspan="2" class="infobox-full-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Software_release_life_cycle" title="Software release life cycle">Stable release</a></th><td class="infobox-data"><div style="margin:0px;">0.17.0 / June 19, 2017<span class="noprint">; 7 years ago</span><span style="display:none"> (<span class="bday dtstart published updated">2017-06-19</span>)</span></div></td></tr><tr style="display:none"><td colspan="2"> </td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Repository_(version_control)" title="Repository (version control)">Repository</a></th><td class="infobox-data"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style><div class="plainlist"><ul><li><span class="url"><a rel="nofollow" class="external text" href="https://svn.apache.org/repos/asf/pig/">svn<wbr />.apache<wbr />.org<wbr />/repos<wbr />/asf<wbr />/pig<wbr />/</a></span> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q7193204#P1324" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></li></ul> </div></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Operating_system" title="Operating system">Operating system</a></th><td class="infobox-data"><a href="/wiki/Microsoft_Windows" title="Microsoft Windows">Microsoft Windows</a>, <a href="/wiki/OS_X" class="mw-redirect" title="OS X">OS X</a>, <a href="/wiki/Linux" title="Linux">Linux</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Software_categories#Categorization_approaches" title="Software categories">Type</a></th><td class="infobox-data">Data analytics</td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Software_license" title="Software license">License</a></th><td class="infobox-data"><a href="/wiki/Apache_License_2.0" class="mw-redirect" title="Apache License 2.0">Apache License 2.0</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Website</th><td class="infobox-data"><span class="url"><a rel="nofollow" class="external text" href="https://pig.apache.org">pig<wbr />.apache<wbr />.org</a></span></td></tr></tbody></table> <p><b>Apache Pig</b><sup id="cite_ref-mainpage_1-0" class="reference"><a href="#cite_note-mainpage-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> is a high-level platform for creating programs that run on <a href="/wiki/Hadoop" class="mw-redirect" title="Hadoop">Apache Hadoop</a>. The language for this platform is called <b>Pig Latin</b>.<sup id="cite_ref-mainpage_1-1" class="reference"><a href="#cite_note-mainpage-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Pig can execute its Hadoop jobs in <a href="/wiki/MapReduce" title="MapReduce">MapReduce</a>, Apache Tez, or <a href="/wiki/Apache_Spark" title="Apache Spark">Apache Spark</a>.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> Pig Latin abstracts the programming from the <a href="/wiki/Java_(programming_language)" title="Java (programming language)">Java</a> MapReduce idiom into a notation which makes MapReduce programming high level, similar to that of <a href="/wiki/SQL" title="SQL">SQL</a> for <a href="/wiki/Relational_database_management_system" class="mw-redirect" title="Relational database management system">relational database management systems</a>. Pig Latin can be extended using <a href="/wiki/User-defined_function" title="User-defined function">user-defined functions</a> (UDFs) which the user can write in <a href="/wiki/Java_(programming_language)" title="Java (programming language)">Java</a>, <a href="/wiki/Python_(programming_language)" title="Python (programming language)">Python</a>, <a href="/wiki/JavaScript" title="JavaScript">JavaScript</a>, <a href="/wiki/Ruby_(programming_language)" title="Ruby (programming language)">Ruby</a> or <a href="/wiki/Groovy_(programming_language)" class="mw-redirect" title="Groovy (programming language)">Groovy</a><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> and then call directly from the language. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="History">History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Apache_Pig&action=edit&section=1" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Apache Pig was originally<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> developed at <a href="/wiki/Yahoo!" class="mw-redirect" title="Yahoo!">Yahoo Research</a> around 2006 for researchers to have an ad hoc way of creating and executing MapReduce jobs on very large data sets. In 2007,<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> it was moved into the <a href="/wiki/Apache_Software_Foundation" class="mw-redirect" title="Apache Software Foundation">Apache Software Foundation</a>. </p> <table class="wikitable"> <tbody><tr> <th>Version </th> <th>Original release date </th> <th>Latest version </th> <th>Release date<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </th></tr> <tr> <td style="color: var(--color-base, #202122);" class="templateVersion co swatch-unsupported" title="Old version, not maintained" data-sort-value="0.1"><span style="display: none;">Old version, not maintained:</span> 0.1 </td> <td>2008-09-11 </td> <td>0.1.1 </td> <td>2008-12-05 </td></tr> <tr> <td style="color: var(--color-base, #202122);" class="templateVersion co swatch-unsupported" title="Old version, not maintained" data-sort-value="0.2"><span style="display: none;">Old version, not maintained:</span> 0.2 </td> <td>2009-04-08 </td> <td>0.2.0 </td> <td>2009-04-08 </td></tr> <tr> <td style="color: var(--color-base, #202122);" class="templateVersion co swatch-unsupported" title="Old version, not maintained" data-sort-value="0.3"><span style="display: none;">Old version, not maintained:</span> 0.3 </td> <td>2009-06-25 </td> <td>0.3.0 </td> <td>2009-06-25 </td></tr> <tr> <td style="color: var(--color-base, #202122);" class="templateVersion co swatch-unsupported" title="Old version, not maintained" data-sort-value="0.4"><span style="display: none;">Old version, not maintained:</span> 0.4 </td> <td>2009-08-29 </td> <td>0.4.0 </td> <td>2009-08-29 </td></tr> <tr> <td style="color: var(--color-base, #202122);" class="templateVersion co swatch-unsupported" title="Old version, not maintained" data-sort-value="0.5"><span style="display: none;">Old version, not maintained:</span> 0.5 </td> <td>2009-09-29 </td> <td>0.5.0 </td> <td>2009-09-29 </td></tr> <tr> <td style="color: var(--color-base, #202122);" class="templateVersion co swatch-unsupported" title="Old version, not maintained" data-sort-value="0.6"><span style="display: none;">Old version, not maintained:</span> 0.6 </td> <td>2010-03-01 </td> <td>0.6.0 </td> <td>2010-03-01 </td></tr> <tr> <td style="color: var(--color-base, #202122);" class="templateVersion co swatch-unsupported" title="Old version, not maintained" data-sort-value="0.7"><span style="display: none;">Old version, not maintained:</span> 0.7 </td> <td>2010-05-13 </td> <td>0.7.0 </td> <td>2010-05-13 </td></tr> <tr> <td style="color: var(--color-base, #202122);" class="templateVersion co swatch-unsupported" title="Old version, not maintained" data-sort-value="0.8"><span style="display: none;">Old version, not maintained:</span> 0.8 </td> <td>2010-12-17 </td> <td>0.8.1 </td> <td>2011-04-24 </td></tr> <tr> <td style="color: var(--color-base, #202122);" class="templateVersion co swatch-unsupported" title="Old version, not maintained" data-sort-value="0.9"><span style="display: none;">Old version, not maintained:</span> 0.9 </td> <td>2011-07-29 </td> <td>0.9.2 </td> <td>2012-01-22 </td></tr> <tr> <td style="color: var(--color-base, #202122);" class="templateVersion co swatch-unsupported" title="Old version, not maintained" data-sort-value="0.10"><span style="display: none;">Old version, not maintained:</span> 0.10 </td> <td>2012-01-22 </td> <td>0.10.1 </td> <td>2012-04-25 </td></tr> <tr> <td style="color: var(--color-base, #202122);" class="templateVersion co swatch-unsupported" title="Old version, not maintained" data-sort-value="0.11"><span style="display: none;">Old version, not maintained:</span> 0.11 </td> <td>2013-02-21 </td> <td>0.11.1 </td> <td>2013-04-01 </td></tr> <tr> <td style="color: var(--color-base, #202122);" class="templateVersion co swatch-unsupported" title="Old version, not maintained" data-sort-value="0.12"><span style="display: none;">Old version, not maintained:</span> 0.12 </td> <td>2013-10-14 </td> <td>0.12.1 </td> <td>2014-04-14 </td></tr> <tr> <td style="color: var(--color-base, #202122);" class="templateVersion co swatch-unsupported" title="Old version, not maintained" data-sort-value="0.13"><span style="display: none;">Old version, not maintained:</span> 0.13 </td> <td>2014-07-04 </td> <td>0.13.0 </td> <td>2014-07-04 </td></tr> <tr> <td style="color: var(--color-base, #202122);" class="templateVersion co swatch-unsupported" title="Old version, not maintained" data-sort-value="0.14"><span style="display: none;">Old version, not maintained:</span> 0.14 </td> <td>2014-11-20 </td> <td>0.14.0 </td> <td>2014-11-20 </td></tr> <tr> <td style="color: var(--color-base, #202122);" class="templateVersion co swatch-unsupported" title="Old version, not maintained" data-sort-value="0.15"><span style="display: none;">Old version, not maintained:</span> 0.15 </td> <td>2015-06-06 </td> <td>0.15.0 </td> <td>2015-06-06 </td></tr> <tr> <td style="color: var(--color-base, #202122);" class="templateVersion co swatch-unsupported" title="Old version, not maintained" data-sort-value="0.16"><span style="display: none;">Old version, not maintained:</span> 0.16 </td> <td>2016-06-08 </td> <td>0.16.0 </td> <td>2016-06-08 </td></tr> <tr> <td style="color: var(--color-base, #202122);" class="templateVersion c swatch-latest" title="Latest version" data-sort-value="0.17"><span style="display: none;">Latest version:</span> <b>0.17</b> </td> <td>2017-06-19 </td> <td>0.17.0 </td> <td>2017-06-19 </td></tr> <tr> <td colspan="5"><div style="font-size:85%;"><style data-mw-deduplicate="TemplateStyles:r1276065812">.mw-parser-output .version-legend{display:flex;flex-wrap:wrap;column-gap:12px}.mw-parser-output .version-legend-vertical{display:flex;flex-wrap:wrap;column-gap:4px;flex-direction:column}.mw-parser-output .version-legend .legend-item,.mw-parser-output .version-legend-vertical .legend-item{page-break-inside:avoid;break-inside:avoid-column;gap:4px}.mw-parser-output .version-legend .legend-item .swatch,.mw-parser-output .version-legend-vertical .legend-item .swatch{display:inline-block;width:1.25em;height:1.25em;border:1px solid #aaa;margin-top:1px}.mw-parser-output .swatch-unsupported{background-color:#fdb3ab}.mw-parser-output .swatch-maintained{background-color:#fef8c6}.mw-parser-output .swatch-latest{background-color:#d4f4b4}.mw-parser-output .swatch-preview{background-color:#fed1a0}.mw-parser-output .swatch-future{background-color:#c1e6f5}@media screen{html.skin-theme-clientpref-night .mw-parser-output .version-legend .legend-item .swatch,html.skin-theme-clientpref-night .mw-parser-output .version-legend-vertical .legend-item .swatch{border-color:#72777d}html.skin-theme-clientpref-night .mw-parser-output .swatch-unsupported{background-color:#421511}html.skin-theme-clientpref-night .mw-parser-output .swatch-maintained{background-color:#443f19}html.skin-theme-clientpref-night .mw-parser-output .swatch-latest{background-color:#2b4115}html.skin-theme-clientpref-night .mw-parser-output .swatch-preview{background-color:#4b3114}html.skin-theme-clientpref-night .mw-parser-output .swatch-future{background-color:#143b4b}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .version-legend .legend-item .swatch,html.skin-theme-clientpref-os .mw-parser-output .version-legend-vertical .legend-item .swatch{border-color:#72777d}html.skin-theme-clientpref-os .mw-parser-output .swatch-unsupported{background-color:#421511}html.skin-theme-clientpref-os .mw-parser-output .swatch-maintained{background-color:#443f19}html.skin-theme-clientpref-os .mw-parser-output .swatch-latest{background-color:#2b4115}html.skin-theme-clientpref-os .mw-parser-output .swatch-preview{background-color:#4b3114}html.skin-theme-clientpref-os .mw-parser-output .swatch-future{background-color:#143b4b}}</style><div class="templateVersion l version-legend" style=""><div style=""><span style="white-space: nowrap;"><b>Legend:</b></span></div><div style="display: flex;" class="legend-item"><span class="swatch swatch-unsupported"></span>Old version, not maintained</div><div style="display: flex;" class="legend-item"><span class="swatch swatch-maintained"></span>Old version, still maintained</div><div style="display: flex;" class="legend-item"><span class="swatch swatch-latest"></span><b>Latest version</b></div><div style="display: flex;" class="legend-item"><span class="swatch swatch-preview"></span>Latest preview version</div><div style="display: none;" class="legend-item"><span class="swatch swatch-future"></span>Future version</div></div></div> </td></tr></tbody></table> <div class="mw-heading mw-heading3"><h3 id="Naming">Naming</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Apache_Pig&action=edit&section=2" title="Edit section: Naming"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Regarding the naming of the Pig programming language, the name was chosen arbitrarily and stuck because it was memorable, easy to spell, and for novelty.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p> <style data-mw-deduplicate="TemplateStyles:r1244412712">.mw-parser-output .templatequote{overflow:hidden;margin:1em 0;padding:0 32px}.mw-parser-output .templatequotecite{line-height:1.5em;text-align:left;margin-top:0}@media(min-width:500px){.mw-parser-output .templatequotecite{padding-left:1.6em}}</style><blockquote class="templatequote"><p>The story goes that the researchers working on the project initially referred to it simply as 'the language'. Eventually they needed to call it something. Off the top of his head, one researcher suggested Pig, and the name stuck. It is quirky yet memorable and easy to spell. While some have hinted that the name sounds coy or silly, it has provided us with an entertaining nomenclature, such as Pig Latin for the language, Grunt for the shell, and PiggyBank for the CPAN-like shared repository.</p><div class="templatequotecite">— <cite>Alan Gates, Daniel Dai, "What Is Pig?", <i>Programming Pig, 2nd Edition</i> (November 2017)</cite></div></blockquote> <div class="mw-heading mw-heading2"><h2 id="Example">Example</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Apache_Pig&action=edit&section=3" title="Edit section: Example"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Below is an example of a "<a href="/wiki/Word_count" title="Word count">Word Count</a>" program in Pig Latin: </p> <div class="mw-highlight mw-highlight-lang-pig mw-content-ltr" dir="ltr"><pre><span></span><span class="w"> </span>input_lines<span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">LOAD</span><span class="w"> </span><span class="s">'/tmp/my-copy-of-all-pages-on-internet'</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="p">(</span>line:<span class="kt">chararray</span><span class="p">);</span> <span class="w"> </span> <span class="w"> </span><span class="c">-- Extract words from each line and put them into a pig bag</span> <span class="w"> </span><span class="c">-- datatype, then flatten the bag to get one word on each row</span> <span class="w"> </span>words<span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">FOREACH</span><span class="w"> </span>input_lines<span class="w"> </span><span class="k">GENERATE</span><span class="w"> </span><span class="k">FLATTEN</span><span class="p">(</span><span class="nb">TOKENIZE</span><span class="p">(</span>line<span class="p">))</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span>word; <span class="w"> </span> <span class="w"> </span><span class="c">-- filter out any words that are just white spaces</span> <span class="w"> </span>filtered_words<span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">FILTER</span><span class="w"> </span>words<span class="w"> </span><span class="k">BY</span><span class="w"> </span>word<span class="w"> </span><span class="k">MATCHES</span><span class="w"> </span><span class="s">'\\w+'</span><span class="p">;</span> <span class="w"> </span> <span class="w"> </span><span class="c">-- create a group for each word</span> <span class="w"> </span>word_groups<span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">GROUP</span><span class="w"> </span>filtered_words<span class="w"> </span><span class="k">BY</span><span class="w"> </span>word; <span class="w"> </span> <span class="w"> </span><span class="c">-- count the entries in each group</span> <span class="w"> </span>word_count<span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">FOREACH</span><span class="w"> </span>word_groups<span class="w"> </span><span class="k">GENERATE</span><span class="w"> </span><span class="nb">COUNT</span><span class="p">(</span>filtered_words<span class="p">)</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="nb">count</span><span class="o">,</span><span class="w"> </span><span class="k">group</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span>word; <span class="w"> </span> <span class="w"> </span><span class="c">-- order the records by count</span> <span class="w"> </span>ordered_word_count<span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">ORDER</span><span class="w"> </span>word_count<span class="w"> </span><span class="k">BY</span><span class="w"> </span><span class="nb">count</span><span class="w"> </span><span class="k">DESC</span><span class="p">;</span> <span class="w"> </span><span class="k">STORE</span><span class="w"> </span>ordered_word_count<span class="w"> </span><span class="k">INTO</span><span class="w"> </span><span class="s">'/tmp/number-of-words-on-internet'</span><span class="p">;</span> </pre></div> <p>The above program will generate parallel executable tasks which can be distributed across multiple machines in a Hadoop cluster to count the number of words in a dataset such as all the webpages on the internet. </p> <div class="mw-heading mw-heading2"><h2 id="Pig_vs_SQL">Pig vs SQL</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Apache_Pig&action=edit&section=4" title="Edit section: Pig vs SQL"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In comparison to SQL, Pig </p> <ol><li>has a nested relational model,</li> <li>uses <a href="/wiki/Lazy_evaluation" title="Lazy evaluation">lazy evaluation</a>,</li> <li>uses <a href="/wiki/Extract,_transform,_load" title="Extract, transform, load">extract, transform, load</a> (ETL),</li> <li>is able to store data at any point during a <a href="/wiki/Pipeline_(software)" title="Pipeline (software)">pipeline</a>,</li> <li>declares <a href="/wiki/Execution_plan" class="mw-redirect" title="Execution plan">execution plans</a>,</li> <li>supports pipeline splits, thus allowing workflows to proceed along <a href="/wiki/Directed_acyclic_graph" title="Directed acyclic graph">DAGs</a> instead of strictly sequential pipelines.</li></ol> <p>On the other hand, it has been argued <a href="/wiki/DBMS" class="mw-redirect" title="DBMS">DBMSs</a> are substantially faster than the MapReduce system once the data is loaded, but that loading the data takes considerably longer in the database systems. It has also been argued <a href="/wiki/Relational_database_management_system" class="mw-redirect" title="Relational database management system">RDBMSs</a> offer out of the box support for column-storage, working with compressed data, indexes for efficient random data access, and transaction-level fault tolerance.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </p><p>Pig Latin is <a href="/wiki/Procedural_programming" title="Procedural programming">procedural</a> and fits very naturally in the pipeline paradigm while SQL is instead <a href="/wiki/Declarative_programming" title="Declarative programming">declarative</a>. In SQL users can specify that data from two tables must be joined, but not what join implementation to use (You can specify the implementation of JOIN in SQL, thus "... for many SQL applications the query writer may not have enough knowledge of the data or enough expertise to specify an appropriate join algorithm."). Pig Latin allows users to specify an implementation or aspects of an implementation to be used in executing a script in several ways.<sup id="cite_ref-ypgd_11-0" class="reference"><a href="#cite_note-ypgd-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> In effect, Pig Latin programming is similar to specifying a query execution plan, making it easier for programmers to explicitly control the flow of their data processing task.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p><p>SQL is oriented around queries that produce a single result. SQL handles trees naturally, but has no built in mechanism for splitting a data processing stream and applying different operators to each sub-stream. Pig Latin script describes a <a href="/wiki/Directed_acyclic_graph" title="Directed acyclic graph">directed acyclic graph</a> (DAG) rather than a pipeline.<sup id="cite_ref-ypgd_11-1" class="reference"><a href="#cite_note-ypgd-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </p><p>Pig Latin's ability to include user code at any point in the pipeline is useful for pipeline development. If SQL is used, data must first be imported into the database, and then the cleansing and transformation process can begin.<sup id="cite_ref-ypgd_11-2" class="reference"><a href="#cite_note-ypgd-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Apache_Pig&action=edit&section=5" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Apache_Hive" title="Apache Hive">Apache Hive</a></li> <li><a href="/wiki/Sawzall_(programming_language)" title="Sawzall (programming language)">Sawzall</a> — similar tool from Google</li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Apache_Pig&action=edit&section=6" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-mainpage-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-mainpage_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-mainpage_1-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://pig.apache.org/">"Hadoop: Apache Pig"</a><span class="reference-accessdate">. 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Retrieved <span class="nowrap">2021-08-01</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.oreilly.com&rft.atitle=1.+What+Is+Pig%3F+-+Programming+Pig%2C+2nd+Edition+%5BBook%5D&rft_id=https%3A%2F%2Fwww.oreilly.com%2Flibrary%2Fview%2Fprogramming-pig-2nd%2F9781491937082%2Fch01.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AApache+Pig" class="Z3988"></span></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGates2016" class="citation book cs1">Gates, Alan (2016). <a rel="nofollow" class="external text" href="https://www.worldcat.org/oclc/964523786"><i>Programming Pig</i></a>. Daniel Dai (Second ed.). Sebastopol, CA. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-1-4919-3706-8" title="Special:BookSources/978-1-4919-3706-8"><bdi>978-1-4919-3706-8</bdi></a>. <a href="/wiki/OCLC_(identifier)" class="mw-redirect" title="OCLC (identifier)">OCLC</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/oclc/964523786">964523786</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Programming+Pig&rft.place=Sebastopol%2C+CA&rft.edition=Second&rft.date=2016&rft_id=info%3Aoclcnum%2F964523786&rft.isbn=978-1-4919-3706-8&rft.aulast=Gates&rft.aufirst=Alan&rft_id=https%3A%2F%2Fwww.worldcat.org%2Foclc%2F964523786&rfr_id=info%3Asid%2Fen.wikipedia.org%3AApache+Pig" class="Z3988"></span><span class="cs1-maint citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_book" title="Template:Cite book">cite book</a>}}</code>: CS1 maint: location missing publisher (<a href="/wiki/Category:CS1_maint:_location_missing_publisher" title="Category:CS1 maint: location missing publisher">link</a>)</span></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGates2021" class="citation mailinglist cs1">Gates, Alan (2021-07-27). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20210801002756/https://www.mail-archive.com/user%40pig.apache.org/msg10825.html">"Pig mascot questions"</a>. <i>Pig User Mailing List</i> (Mailing list). 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Retrieved <span class="nowrap">May 23,</span> 2015</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Communications+of+the+ACM%3A+MapReduce+and+Parallel+DBMSs%3A+Friends+or+Foes%3F&rft_id=http%3A%2F%2Fdatabase.cs.brown.edu%2Fpapers%2Fstonebraker-cacm2010.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AApache+Pig" class="Z3988"></span></span> </li> <li id="cite_note-ypgd-11"><span class="mw-cite-backlink">^ <a href="#cite_ref-ypgd_11-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-ypgd_11-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-ypgd_11-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20150530103839/https://developer.yahoo.com/blogs/hadoop/comparing-pig-latin-sql-constructing-data-processing-pipelines-444.html">"Yahoo Pig Development Team: Comparing Pig Latin and SQL for Constructing Data Processing Pipelines"</a>. 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Retrieved <span class="nowrap">May 23,</span> 2015</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Yahoo+Pig+Development+Team%3A+Comparing+Pig+Latin+and+SQL+for+Constructing+Data+Processing+Pipelines&rft_id=https%3A%2F%2Fdeveloper.yahoo.com%2Fblogs%2Fhadoop%2Fcomparing-pig-latin-sql-constructing-data-processing-pipelines-444.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AApache+Pig" class="Z3988"></span></span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-12">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://infolab.stanford.edu/~olston/publications/sigmod08.pdf">"ACM SigMod 08: Pig Latin: A Not-So-Foreign Language for Data Processing"</a> <span class="cs1-format">(PDF)</span><span class="reference-accessdate">. Retrieved <span class="nowrap">May 23,</span> 2015</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=ACM+SigMod+08%3A+Pig+Latin%3A+A+Not-So-Foreign+Language+for+Data+Processing&rft_id=http%3A%2F%2Finfolab.stanford.edu%2F~olston%2Fpublications%2Fsigmod08.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AApache+Pig" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Apache_Pig&action=edit&section=7" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span class="official-website"><span class="url"><a rel="nofollow" class="external text" href="https://pig.apache.org">Official website</a></span></span></li></ul> <div class="navbox-styles"><style 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Software Foundation">The Apache Software Foundation</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Top-level<br />projects</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Apache_Accumulo" title="Apache Accumulo">Accumulo</a></li> <li><a href="/wiki/Apache_ActiveMQ" title="Apache ActiveMQ">ActiveMQ</a></li> <li><a href="/wiki/Apache_Airavata" title="Apache Airavata">Airavata</a></li> <li><a href="/wiki/Apache_Airflow" title="Apache Airflow">Airflow</a></li> <li><a href="/wiki/Apache_Allura" title="Apache Allura">Allura</a></li> <li><a href="/wiki/Apache_Ambari" class="mw-redirect" title="Apache Ambari">Ambari</a></li> <li><a href="/wiki/Apache_Ant" title="Apache Ant">Ant</a></li> <li><a href="/wiki/Apache_Aries" title="Apache Aries">Aries</a></li> <li><a href="/wiki/Apache_Arrow" title="Apache Arrow">Arrow</a></li> <li><a href="/wiki/Apache_HTTP_Server" title="Apache HTTP Server">Apache HTTP Server</a></li> <li><a href="/wiki/Apache_Portable_Runtime" title="Apache Portable Runtime">APR</a></li> <li><a href="/wiki/Apache_Avro" title="Apache Avro">Avro</a></li> <li><a href="/wiki/Apache_Axis" title="Apache Axis">Axis</a></li> <li><a href="/wiki/Apache_Axis2" title="Apache Axis2">Axis2</a></li> <li><a href="/wiki/Apache_Beam" title="Apache Beam">Beam</a></li> <li><a href="/wiki/Apache_Bloodhound" class="mw-redirect" title="Apache Bloodhound">Bloodhound</a></li> <li><a href="/wiki/Apache_Brooklyn" title="Apache Brooklyn">Brooklyn</a></li> <li><a href="/wiki/Apache_Calcite" title="Apache Calcite">Calcite</a></li> <li><a href="/wiki/Apache_Camel" title="Apache Camel">Camel</a></li> <li><a href="/wiki/Apache_CarbonData" title="Apache CarbonData">CarbonData</a></li> <li><a href="/wiki/Apache_Cassandra" title="Apache Cassandra">Cassandra</a></li> <li><a href="/wiki/Apache_Cayenne" title="Apache Cayenne">Cayenne</a></li> <li><a href="/wiki/Apache_CloudStack" title="Apache CloudStack">CloudStack</a></li> <li><a href="/wiki/Apache_Cocoon" title="Apache Cocoon">Cocoon</a></li> <li><a href="/wiki/Apache_Cordova" title="Apache Cordova">Cordova</a></li> <li><a href="/wiki/Apache_CouchDB" title="Apache CouchDB">CouchDB</a></li> <li><a href="/wiki/Apache_cTAKES" title="Apache cTAKES">cTAKES</a></li> <li><a href="/wiki/Apache_CXF" title="Apache CXF">CXF</a></li> <li><a href="/wiki/Apache_Derby" title="Apache Derby">Derby</a></li> <li><a href="/wiki/Apache_Directory" title="Apache Directory">Directory</a></li> <li><a href="/wiki/Apache_Drill" title="Apache Drill">Drill</a></li> <li><a href="/wiki/Apache_Druid" title="Apache Druid">Druid</a></li> <li><a href="/wiki/Apache_Empire-db" title="Apache Empire-db">Empire-db</a></li> <li><a href="/wiki/Apache_Felix" title="Apache Felix">Felix</a></li> <li><a href="/wiki/Apache_Flex" title="Apache Flex">Flex</a></li> <li><a href="/wiki/Apache_Flink" title="Apache Flink">Flink</a></li> <li><a href="/wiki/Apache_Flume" class="mw-redirect" title="Apache Flume">Flume</a></li> <li><a href="/wiki/FreeMarker" title="FreeMarker">FreeMarker</a></li> <li><a href="/wiki/Apache_Geronimo" title="Apache Geronimo">Geronimo</a></li> <li><a href="/wiki/Apache_Groovy" title="Apache Groovy">Groovy</a></li> <li><a href="/wiki/Apache_Guacamole" title="Apache Guacamole">Guacamole</a></li> <li><a href="/wiki/Apache_Gump" title="Apache Gump">Gump</a></li> <li><a href="/wiki/Apache_Hadoop" title="Apache Hadoop">Hadoop</a></li> <li><a href="/wiki/Apache_HBase" title="Apache HBase">HBase</a></li> <li><a href="/wiki/Apache_Helix" title="Apache Helix">Helix</a></li> <li><a href="/wiki/Apache_Hive" title="Apache Hive">Hive</a></li> <li><a href="/wiki/Apache_Iceberg" title="Apache Iceberg">Iceberg</a></li> <li><a href="/wiki/Apache_Ignite" title="Apache Ignite">Ignite</a></li> <li><a href="/wiki/Apache_Impala" title="Apache Impala">Impala</a></li> <li><a href="/wiki/Apache_Jackrabbit" title="Apache Jackrabbit">Jackrabbit</a></li> <li><a href="/wiki/Apache_James" title="Apache James">James</a></li> <li><a href="/wiki/Apache_Jena" title="Apache Jena">Jena</a></li> <li><a href="/wiki/Apache_JMeter" title="Apache JMeter">JMeter</a></li> <li><a href="/wiki/Apache_Kafka" title="Apache Kafka">Kafka</a></li> <li><a href="/wiki/Apache_Kudu" title="Apache Kudu">Kudu</a></li> <li><a href="/wiki/Apache_Kylin" title="Apache Kylin">Kylin</a></li> <li><a href="/wiki/Apache_Lucene" title="Apache Lucene">Lucene</a></li> <li><a href="/wiki/Apache_Mahout" title="Apache Mahout">Mahout</a></li> <li><a href="/wiki/Apache_Maven" title="Apache Maven">Maven</a></li> <li><a href="/wiki/Apache_MINA" title="Apache MINA">MINA</a></li> <li><a href="/wiki/Mod_perl" title="Mod perl">mod_perl</a></li> <li><a href="/wiki/Apache_MyFaces" title="Apache MyFaces">MyFaces</a></li> <li><a href="/wiki/Apache_Mynewt" title="Apache Mynewt">Mynewt</a></li> <li><a href="/wiki/Apache_NiFi" title="Apache NiFi">NiFi</a></li> <li><a href="/wiki/NetBeans" title="NetBeans">NetBeans</a></li> <li><a href="/wiki/Apache_Nutch" title="Apache Nutch">Nutch</a></li> <li><a href="/wiki/NuttX" title="NuttX">NuttX</a></li> <li><a href="/wiki/Apache_OFBiz" title="Apache OFBiz">OFBiz</a></li> <li><a href="/wiki/Apache_Oozie" title="Apache Oozie">Oozie</a></li> <li><a href="/wiki/Apache_OpenEJB" title="Apache OpenEJB">OpenEJB</a></li> <li><a href="/wiki/Apache_OpenJPA" title="Apache OpenJPA">OpenJPA</a></li> <li><a href="/wiki/Apache_OpenNLP" title="Apache OpenNLP">OpenNLP</a></li> <li><a href="/wiki/Apache_OpenOffice" title="Apache OpenOffice">OрenOffice</a></li> <li><a href="/wiki/Apache_ORC" title="Apache ORC">ORC</a></li> <li><a href="/wiki/Apache_PDFBox" title="Apache PDFBox">PDFBox</a></li> <li><a href="/wiki/Apache_Parquet" title="Apache Parquet">Parquet</a></li> <li><a href="/wiki/Apache_Phoenix" title="Apache Phoenix">Phoenix</a></li> <li><a href="/wiki/Apache_POI" title="Apache POI">POI</a></li> <li><a class="mw-selflink selflink">Pig</a></li> <li><a href="/wiki/Apache_Pinot" title="Apache Pinot">Pinot</a></li> <li><a href="/wiki/Apache_Pivot" title="Apache Pivot">Pivot</a></li> <li><a href="/wiki/Apache_Qpid" title="Apache Qpid">Qpid</a></li> <li><a href="/wiki/Apache_Roller" title="Apache Roller">Roller</a></li> <li><a href="/wiki/Apache_RocketMQ" title="Apache RocketMQ">RocketMQ</a></li> <li><a href="/wiki/Apache_Samza" title="Apache Samza">Samza</a></li> <li><a href="/wiki/Apache_Shiro" title="Apache Shiro">Shiro</a></li> <li><a href="/wiki/Apache_SINGA" title="Apache SINGA">SINGA</a></li> <li><a href="/wiki/Apache_Sling" title="Apache Sling">Sling</a></li> <li><a href="/wiki/Apache_Solr" title="Apache Solr">Solr</a></li> <li><a href="/wiki/Apache_Spark" title="Apache Spark">Spark</a></li> <li><a href="/wiki/Apache_Storm" title="Apache Storm">Storm</a></li> <li><a href="/wiki/Apache_SpamAssassin" title="Apache SpamAssassin">SpamAssassin</a></li> <li><a href="/wiki/Apache_Struts" title="Apache Struts">Struts</a> <ul><li><a href="/wiki/Apache_Struts_1" title="Apache Struts 1">1</a></li></ul></li> <li><a href="/wiki/Apache_Subversion" title="Apache Subversion">Subversion</a></li> <li><a href="/wiki/Apache_Superset" title="Apache Superset">Superset</a></li> <li><a href="/wiki/Apache_SystemDS" title="Apache SystemDS">SystemDS</a></li> <li><a href="/wiki/Apache_Tapestry" title="Apache Tapestry">Tapestry</a></li> <li><a href="/wiki/Apache_Thrift" title="Apache Thrift">Thrift</a></li> <li><a href="/wiki/Apache_Tika" title="Apache Tika">Tika</a></li> <li><a href="/wiki/Apache_TinkerPop" class="mw-redirect" title="Apache TinkerPop">TinkerPop</a></li> <li><a href="/wiki/Apache_Tomcat" title="Apache Tomcat">Tomcat</a></li> <li><a href="/wiki/Apache_Trafodion" class="mw-redirect" title="Apache Trafodion">Trafodion</a></li> <li><a href="/wiki/Apache_Traffic_Server" title="Apache Traffic Server">Traffic Server</a></li> <li><a href="/wiki/UIMA" title="UIMA">UIMA</a></li> <li><a href="/wiki/Apache_Velocity" title="Apache Velocity">Velocity</a></li> <li><a href="/wiki/Apache_Wicket" title="Apache Wicket">Wicket</a></li> <li><a href="/wiki/Apache_Xalan" title="Apache Xalan">Xalan</a></li> <li><a href="/wiki/Apache_Xerces" title="Apache Xerces">Xerces</a></li> <li><a href="/wiki/Apache_XMLBeans" title="Apache XMLBeans">XMLBeans</a></li> <li>Yetus</li> <li><a href="/wiki/Apache_ZooKeeper" title="Apache ZooKeeper">ZooKeeper</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Apache_Commons" title="Apache Commons">Commons</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Byte_Code_Engineering_Library" title="Byte Code Engineering Library">BCEL</a></li> <li><a href="/wiki/Bean_Scripting_Framework" title="Bean Scripting Framework">BSF</a></li> <li><a href="/wiki/Commons_Daemon" title="Commons Daemon">Daemon</a></li> <li><a href="/wiki/Apache_Jelly" title="Apache Jelly">Jelly</a></li> <li><a href="/wiki/Apache_Commons_Logging" title="Apache Commons Logging">Logging</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Incubator</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Apache_Taverna" title="Apache Taverna">Taverna</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other projects</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Apache_Batik" title="Apache Batik">Batik</a></li> <li><a href="/wiki/Apache_FOP_(Formatting_Objects_Processor)" class="mw-redirect" title="Apache FOP (Formatting Objects Processor)">FOP</a></li> <li><a href="/wiki/Apache_Ivy" title="Apache Ivy">Ivy</a></li> <li><a href="/wiki/Log4j" title="Log4j">Log4j</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Attic</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Apache_Apex" title="Apache Apex">Apex</a></li> <li><a href="/wiki/AxKit" title="AxKit">AxKit</a></li> <li><a href="/wiki/Apache_Beehive" title="Apache Beehive">Beehive</a></li> <li><a href="/wiki/Apache_iBATIS" title="Apache iBATIS">iBATIS</a></li> <li><a href="/wiki/Apache_Click" title="Apache Click">Click</a></li> <li><a href="/wiki/Apache_Continuum" title="Apache Continuum">Continuum</a></li> <li><a href="/wiki/Deltacloud" title="Deltacloud">Deltacloud</a></li> <li><a href="/wiki/Etch_(protocol)" title="Etch (protocol)">Etch</a></li> <li><a href="/wiki/Apache_Giraph" title="Apache Giraph">Giraph</a></li> <li><a href="/wiki/Apache_Hama" title="Apache Hama">Hama</a></li> <li><a href="/wiki/Apache_Harmony" title="Apache Harmony">Harmony</a></li> <li><a href="/wiki/Jakarta_Project" title="Jakarta Project">Jakarta</a></li> <li><a href="/wiki/Apache_Marmotta" title="Apache Marmotta">Marmotta</a></li> <li><a href="/wiki/Apache_MXNet" title="Apache MXNet">MXNet</a></li> <li><a href="/wiki/Apache_ODE" title="Apache ODE">ODE</a></li> <li><a href="/wiki/Jini" title="Jini">River</a></li> <li><a href="/wiki/Apache_Shale" title="Apache Shale">Shale</a></li> <li><a href="/wiki/Jakarta_Slide" class="mw-redirect" title="Jakarta Slide">Slide</a></li> <li><a href="/wiki/Sqoop" title="Sqoop">Sqoop</a></li> <li><a href="/wiki/Apache_Stanbol" title="Apache Stanbol">Stanbol</a></li> <li><a href="/wiki/Apache_Tuscany" class="mw-redirect" title="Apache Tuscany">Tuscany</a></li> <li><a href="/wiki/Apache_Wave" class="mw-redirect" title="Apache Wave">Wave</a></li> <li><a href="/wiki/Apache_XML" title="Apache XML">XML</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Licenses</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Apache_License" title="Apache License">Apache License</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <ul><li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <b><a href="/wiki/Category:Apache_Software_Foundation" title="Category:Apache Software 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