Repository: incubator-hivemall-site Updated Branches: refs/heads/asf-site 7fe890f3c -> 706150269
http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/70615026/userguide/troubleshooting/asterisk.html ---------------------------------------------------------------------- diff --git a/userguide/troubleshooting/asterisk.html b/userguide/troubleshooting/asterisk.html index 5a21a4c..634dea2 100644 --- a/userguide/troubleshooting/asterisk.html +++ b/userguide/troubleshooting/asterisk.html @@ -1631,8 +1631,30 @@ <section class="normal markdown-section"> - <p>See <a href="https://issues.apache.org/jira/browse/HIVE-4181"; target="_blank">HIVE-4181</a> that asterisk argument without table alias for UDTF is not working. It has been fixed as part of Hive v0.12 release.</p> -<p>A possible workaround is to use asterisk with a table alias, or to specify names of arguments explicitly.</p> + <!-- + Licensed to the Apache Software Foundation (ASF) under one + or more contributor license agreements. See the NOTICE file + distributed with this work for additional information + regarding copyright ownership. The ASF licenses this file + to you under the Apache License, Version 2.0 (the + "License"); you may not use this file except in compliance + with the License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, + software distributed under the License is distributed on an + "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + KIND, either express or implied. See the License for the + specific language governing permissions and limitations + under the License. +--> +<p>See <a href="https://issues.apache.org/jira/browse/HIVE-4181"; target="_blank">HIVE-4181</a> that asterisk argument without table alias for UDTF is not working. It has been fixed as part of Hive v0.12 release.</p> +<p>A possible workaround is to use asterisk with a table alias, or to specify names of arguments explicitly. +<div id="page-footer"><hr><p><sub><font color="gray"> +Apache Hivemall is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. +</font></sub></p> +</div></p> </section> @@ -1666,7 +1688,7 @@ <script> var gitbook = gitbook || []; gitbook.push(function() { - gitbook.page.hasChanged({"page":{"title":"Asterisk argument for UDTF does not work","level":"1.5.3","depth":2,"next":{"title":"The number of mappers is less than input splits in Hadoop 2.x","level":"1.5.4","depth":2,"path":"troubleshooting/num_mappers.md","ref":"troubleshooting/num_mappers.md","articles":[]},"previous":{"title":"SemanticException Generate Map Join Task Error: Cannot serialize object","level":"1.5.2","depth":2,"path":"troubleshooting/mapjoin_task_error.md","ref":"troubleshooting/mapjoin_task_error.md","articles":[]},"dir":"ltr"},"config":{"plugins":["theme-api","edit-link","github","splitter","sitemap","etoc","callouts","toggle-chapters","anchorjs","codeblock-filename","expandable-chapters","multipart","codeblock-filename","katex","emphasize"],"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"pluginsConfig":{"emphasize":{},"callouts":{}, "etoc":{"maxdepth":3,"mindepth":1,"notoc":true},"github":{"url":"https://github.com/apache/incubator-hivemall/"},"splitter":{},"search":{},"downloadpdf":{"base":"https://github.com/apache/incubator-hivemall/docs/gitbook","label":"PDF","multilingual":false},"multipart":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"katex":{},"fontsettings":{"theme":"white","family":"sans","size":2,"font":"sans"},"highlight":{},"codeblock-filename":{},"sitemap":{"hostname":"http://hivemall.incubator.apache.org/"},"theme-api":{"languages":[],"split":false,"theme":"dark"},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"edit-link":{"label":"Edit","base":"https://github.com/apache/incubator-hivemall/docs/gitbook"},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","pr int":"styles/print.css"},"showLevel":true},"anchorjs":{"selector":"h1,h2,h3,*:not(.callout) > h4,h5"},"toggle-chapters":{},"expandable-chapters":{}},"theme":"default","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"title":"Hivemall User Manual","links":{"sidebar":{"<i class=\"fa fa-home\"></i> Home":"http://hivemall.incubator.apache.org/"}},"gitbook":"3.x.x","description":"User Manual for Apache Hivemall"},"file":{"path":"troubleshooting/asterisk.md","mtime":"2016-10-22T16:24:26.000Z","type":"markdown"},"gitbook":{"version":"3.2.2","time":"2016-10-22T19:10:36.585Z"},"basePath":"..","book":{"language":""}}); 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}); </script> </div> http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/70615026/userguide/troubleshooting/index.html ---------------------------------------------------------------------- diff --git a/userguide/troubleshooting/index.html b/userguide/troubleshooting/index.html index 468db5f..6b3258f 100644 --- a/userguide/troubleshooting/index.html +++ b/userguide/troubleshooting/index.html @@ -1631,7 +1631,29 @@ <section class="normal markdown-section"> - + <!-- + Licensed to the Apache Software Foundation (ASF) under one + or more contributor license agreements. See the NOTICE file + distributed with this work for additional information + regarding copyright ownership. The ASF licenses this file + to you under the Apache License, Version 2.0 (the + "License"); you may not use this file except in compliance + with the License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, + software distributed under the License is distributed on an + "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + KIND, either express or implied. See the License for the + specific language governing permissions and limitations + under the License. +--> +<p><div id="page-footer"><hr><p><sub><font color="gray"> +Apache Hivemall is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. +</font></sub></p> +</div></p> + </section> @@ -1664,7 +1686,7 @@ <script> var gitbook = gitbook || []; gitbook.push(function() { - gitbook.page.hasChanged({"page":{"title":"Troubleshooting","level":"1.5","depth":1,"next":{"title":"OutOfMemoryError in training","level":"1.5.1","depth":2,"path":"troubleshooting/oom.md","ref":"troubleshooting/oom.md","articles":[]},"previous":{"title":"Hadoop tuning for Hivemall","level":"1.4.2","depth":2,"path":"tips/hadoop_tuning.md","ref":"tips/hadoop_tuning.md","articles":[]},"dir":"neutral"},"config":{"plugins":["theme-api","edit-link","github","splitter","sitemap","etoc","callouts","toggle-chapters","anchorjs","codeblock-filename","expandable-chapters","multipart","codeblock-filename","katex","emphasize"],"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"pluginsConfig":{"emphasize":{},"callouts":{},"etoc":{"maxdepth":3,"mindepth":1,"notoc":true},"github":{"url":"https://github.com/apache/incubator-hivemall/"},"splitter":{},"search":{},"downloadp df":{"base":"https://github.com/apache/incubator-hivemall/docs/gitbook","label":"PDF","multilingual":false},"multipart":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"katex":{},"fontsettings":{"theme":"white","family":"sans","size":2,"font":"sans"},"highlight":{},"codeblock-filename":{},"sitemap":{"hostname":"http://hivemall.incubator.apache.org/"},"theme-api":{"languages":[],"split":false,"theme":"dark"},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"edit-link":{"label":"Edit","base":"https://github.com/apache/incubator-hivemall/docs/gitbook"},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":true},"anchorjs":{"selector":"h1,h2,h3,*:not(.callout) > h4,h5"},"toggle-chapters":{},"expandable-chapters":{}}, "theme":"default","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"title":"Hivemall User Manual","links":{"sidebar":{"<i class=\"fa fa-home\"></i> Home":"http://hivemall.incubator.apache.org/"}},"gitbook":"3.x.x","description":"User Manual for Apache Hivemall"},"file":{"path":"troubleshooting/README.md","mtime":"2016-10-22T16:30:01.000Z","type":"markdown"},"gitbook":{"version":"3.2.2","time":"2016-10-22T19:10:36.585Z"},"basePath":"..","book":{"language":""}}); 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}); </script> </div> http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/70615026/userguide/troubleshooting/mapjoin_classcastex.html ---------------------------------------------------------------------- diff --git a/userguide/troubleshooting/mapjoin_classcastex.html b/userguide/troubleshooting/mapjoin_classcastex.html index 0943034..d55ad7f 100644 --- a/userguide/troubleshooting/mapjoin_classcastex.html +++ b/userguide/troubleshooting/mapjoin_classcastex.html @@ -1631,11 +1631,33 @@ <section class="normal markdown-section"> - <p>Map-side join on Tez causes <a href="http://markmail.org/message/7cwbgupnhah6ggkv"; target="_blank">ClassCastException</a> when a serialized table contains array column(s).</p> + <!-- + Licensed to the Apache Software Foundation (ASF) under one + or more contributor license agreements. See the NOTICE file + distributed with this work for additional information + regarding copyright ownership. The ASF licenses this file + to you under the Apache License, Version 2.0 (the + "License"); you may not use this file except in compliance + with the License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, + software distributed under the License is distributed on an + "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + KIND, either express or implied. See the License for the + specific language governing permissions and limitations + under the License. +--> +<p>Map-side join on Tez causes <a href="http://markmail.org/message/7cwbgupnhah6ggkv"; target="_blank">ClassCastException</a> when a serialized table contains array column(s).</p> <p>[Workaround] Try setting <em>hive.mapjoin.optimized.hashtable</em> off as follows:</p> <pre><code class="lang-sql"><span class="hljs-keyword">set</span> hive.mapjoin.optimized.hashtable=<span class="hljs-literal">false</span>; </code></pre> -<p>Caution: Fixed in Hive 1.3.0. Refer <a href="https://issues.apache.org/jira/browse/HIVE-11051"; target="_blank">HIVE_11051</a> for the detail.</p> +<p>Caution: Fixed in Hive 1.3.0. Refer <a href="https://issues.apache.org/jira/browse/HIVE-11051"; target="_blank">HIVE_11051</a> for the detail. +<div id="page-footer"><hr><p><sub><font color="gray"> +Apache Hivemall is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. +</font></sub></p> +</div></p> </section> @@ -1669,7 +1691,7 @@ <script> var gitbook = gitbook || []; gitbook.push(function() { - gitbook.page.hasChanged({"page":{"title":"Map-side Join causes ClassCastException on Tez","level":"1.5.5","depth":2,"next":{"title":"List of generic Hivemall functions","level":"2.1","depth":1,"path":"misc/generic_funcs.md","ref":"misc/generic_funcs.md","articles":[]},"previous":{"title":"The number of mappers is less than input splits in Hadoop 2.x","level":"1.5.4","depth":2,"path":"troubleshooting/num_mappers.md","ref":"troubleshooting/num_mappers.md","articles":[]},"dir":"ltr"},"config":{"plugins":["theme-api","edit-link","github","splitter","sitemap","etoc","callouts","toggle-chapters","anchorjs","codeblock-filename","expandable-chapters","multipart","codeblock-filename","katex","emphasize"],"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"pluginsConfig":{"emphasize":{},"callouts":{},"etoc":{"maxdepth":3,"mindepth":1,"notoc":true},"github":{"url":" https://github.com/apache/incubator-hivemall/"},"splitter":{},"search":{},"downloadpdf":{"base":"https://github.com/apache/incubator-hivemall/docs/gitbook","label":"PDF","multilingual":false},"multipart":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"katex":{},"fontsettings":{"theme":"white","family":"sans","size":2,"font":"sans"},"highlight":{},"codeblock-filename":{},"sitemap":{"hostname":"http://hivemall.incubator.apache.org/"},"theme-api":{"languages":[],"split":false,"theme":"dark"},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"edit-link":{"label":"Edit","base":"https://github.com/apache/incubator-hivemall/docs/gitbook"},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":true},"anchorjs":{"selector"; 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}); </script> </div> http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/70615026/userguide/troubleshooting/mapjoin_task_error.html ---------------------------------------------------------------------- diff --git a/userguide/troubleshooting/mapjoin_task_error.html b/userguide/troubleshooting/mapjoin_task_error.html index 11daaa5..db43db1 100644 --- a/userguide/troubleshooting/mapjoin_task_error.html +++ b/userguide/troubleshooting/mapjoin_task_error.html @@ -1631,11 +1631,33 @@ <section class="normal markdown-section"> - <p>From Hive 0.11.0, <strong>hive.auto.convert.join</strong> is <a href="https://issues.apache.org/jira/browse/HIVE-3297"; target="_blank">enabled by the default</a>.</p> + <!-- + Licensed to the Apache Software Foundation (ASF) under one + or more contributor license agreements. See the NOTICE file + distributed with this work for additional information + regarding copyright ownership. The ASF licenses this file + to you under the Apache License, Version 2.0 (the + "License"); you may not use this file except in compliance + with the License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, + software distributed under the License is distributed on an + "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + KIND, either express or implied. See the License for the + specific language governing permissions and limitations + under the License. +--> +<p>From Hive 0.11.0, <strong>hive.auto.convert.join</strong> is <a href="https://issues.apache.org/jira/browse/HIVE-3297"; target="_blank">enabled by the default</a>.</p> <p>When using complex queries using views, the auto conversion sometimes throws SemanticException, cannot serialize object.</p> <p>Workaround for the exception is to disable <strong>hive.auto.convert.join</strong> before the execution as follows.</p> <pre><code>set hive.auto.convert.join=false; -</code></pre> +</code></pre><p><div id="page-footer"><hr><p><sub><font color="gray"> +Apache Hivemall is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. +</font></sub></p> +</div></p> + </section> @@ -1668,7 +1690,7 @@ <script> var gitbook = gitbook || []; gitbook.push(function() { - gitbook.page.hasChanged({"page":{"title":"SemanticException Generate Map Join Task Error: Cannot serialize object","level":"1.5.2","depth":2,"next":{"title":"Asterisk argument for UDTF does not work","level":"1.5.3","depth":2,"path":"troubleshooting/asterisk.md","ref":"troubleshooting/asterisk.md","articles":[]},"previous":{"title":"OutOfMemoryError in training","level":"1.5.1","depth":2,"path":"troubleshooting/oom.md","ref":"troubleshooting/oom.md","articles":[]},"dir":"ltr"},"config":{"plugins":["theme-api","edit-link","github","splitter","sitemap","etoc","callouts","toggle-chapters","anchorjs","codeblock-filename","expandable-chapters","multipart","codeblock-filename","katex","emphasize"],"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"pluginsConfig":{"emphasize":{},"callouts":{},"etoc":{"maxdepth":3,"mindepth":1,"notoc":true},"github":{"url":"http s://github.com/apache/incubator-hivemall/"},"splitter":{},"search":{},"downloadpdf":{"base":"https://github.com/apache/incubator-hivemall/docs/gitbook","label":"PDF","multilingual":false},"multipart":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"katex":{},"fontsettings":{"theme":"white","family":"sans","size":2,"font":"sans"},"highlight":{},"codeblock-filename":{},"sitemap":{"hostname":"http://hivemall.incubator.apache.org/"},"theme-api":{"languages":[],"split":false,"theme":"dark"},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"edit-link":{"label":"Edit","base":"https://github.com/apache/incubator-hivemall/docs/gitbook"},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":true},"anchorjs":{"selector":"h1 ,h2,h3,*:not(.callout) > h4,h5"},"toggle-chapters":{},"expandable-chapters":{}},"theme":"default","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"title":"Hivemall User Manual","links":{"sidebar":{"<i class=\"fa fa-home\"></i> Home":"http://hivemall.incubator.apache.org/"}},"gitbook":"3.x.x","description":"User Manual for Apache Hivemall"},"file":{"path":"troubleshooting/mapjoin_task_error.md","mtime":"2016-10-22T16:23:54.000Z","type":"markdown"},"gitbook":{"version":"3.2.2","time":"2016-10-22T19:10:36.585Z"},"basePath":"..","book":{"language":""}}); + gitbook.page.hasChanged({"page":{"title":"SemanticException Generate Map Join Task Error: Cannot serialize object","level":"1.5.2","depth":2,"next":{"title":"Asterisk argument for UDTF does not work","level":"1.5.3","depth":2,"path":"troubleshooting/asterisk.md","ref":"troubleshooting/asterisk.md","articles":[]},"previous":{"title":"OutOfMemoryError in training","level":"1.5.1","depth":2,"path":"troubleshooting/oom.md","ref":"troubleshooting/oom.md","articles":[]},"dir":"ltr"},"config":{"plugins":["theme-api","edit-link","github","splitter","sitemap","etoc","callouts","toggle-chapters","anchorjs","codeblock-filename","expandable-chapters","multipart","codeblock-filename","katex","emphasize","localized-footer"],"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"pluginsConfig":{"emphasize":{},"callouts":{},"etoc":{"maxdepth":3,"mindepth":1,"notoc":true},"g ithub":{"url":"https://github.com/apache/incubator-hivemall/"},"splitter":{},"search":{},"downloadpdf":{"base":"https://github.com/apache/incubator-hivemall/docs/gitbook","label":"PDF","multilingual":false},"multipart":{},"localized-footer":{"filename":"FOOTER.md"},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"katex":{},"fontsettings":{"theme":"white","family":"sans","size":2,"font":"sans"},"highlight":{},"codeblock-filename":{},"sitemap":{"hostname":"http://hivemall.incubator.apache.org/"},"theme-api":{"languages":[],"split":false,"theme":"dark"},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"edit-link":{"label":"Edit","base":"https://github.com/apache/incubator-hivemall/docs/gitbook"},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"; 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See the NOTICE file + distributed with this work for additional information + regarding copyright ownership. The ASF licenses this file + to you under the Apache License, Version 2.0 (the + "License"); you may not use this file except in compliance + with the License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, + software distributed under the License is distributed on an + "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + KIND, either express or implied. See the License for the + specific language governing permissions and limitations + under the License. +--> +<p>The default <em>hive.input.format</em> is set to <em>org.apache.hadoop.hive.ql.io.CombineHiveInputFormat</em>. This configuration could give less number of mappers than the split size (i.e., # blocks in HDFS) of the input table.</p> <p>Try setting <em>org.apache.hadoop.hive.ql.io.HiveInputFormat</em> for <em>hive.input.format</em>.</p> <pre><code>set hive.input.format=org.apache.hadoop.hive.ql.io.HiveInputFormat; @@ -1643,7 +1661,11 @@ This configuration could give less number of mappers than the split size (i.e., <hr> <p>You can then control the maximum number of mappers via setting:</p> <pre><code>set mapreduce.job.maps=128; -</code></pre> +</code></pre><p><div id="page-footer"><hr><p><sub><font color="gray"> +Apache Hivemall is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. +</font></sub></p> +</div></p> + </section> @@ -1676,7 +1698,7 @@ This configuration could give less number of mappers than the split size (i.e., <script> var gitbook = gitbook || []; gitbook.push(function() { - gitbook.page.hasChanged({"page":{"title":"The number of mappers is less than input splits in Hadoop 2.x","level":"1.5.4","depth":2,"next":{"title":"Map-side Join causes ClassCastException on Tez","level":"1.5.5","depth":2,"path":"troubleshooting/mapjoin_classcastex.md","ref":"troubleshooting/mapjoin_classcastex.md","articles":[]},"previous":{"title":"Asterisk argument for UDTF does not work","level":"1.5.3","depth":2,"path":"troubleshooting/asterisk.md","ref":"troubleshooting/asterisk.md","articles":[]},"dir":"ltr"},"config":{"plugins":["theme-api","edit-link","github","splitter","sitemap","etoc","callouts","toggle-chapters","anchorjs","codeblock-filename","expandable-chapters","multipart","codeblock-filename","katex","emphasize"],"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"pluginsConfig":{"emphasize":{},"callouts":{},"etoc":{"maxdepth":3,"mindept h":1,"notoc":true},"github":{"url":"https://github.com/apache/incubator-hivemall/"},"splitter":{},"search":{},"downloadpdf":{"base":"https://github.com/apache/incubator-hivemall/docs/gitbook","label":"PDF","multilingual":false},"multipart":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"katex":{},"fontsettings":{"theme":"white","family":"sans","size":2,"font":"sans"},"highlight":{},"codeblock-filename":{},"sitemap":{"hostname":"http://hivemall.incubator.apache.org/"},"theme-api":{"languages":[],"split":false,"theme":"dark"},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"edit-link":{"label":"Edit","base":"https://github.com/apache/incubator-hivemall/docs/gitbook"},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"sho wLevel":true},"anchorjs":{"selector":"h1,h2,h3,*:not(.callout) > h4,h5"},"toggle-chapters":{},"expandable-chapters":{}},"theme":"default","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"title":"Hivemall User Manual","links":{"sidebar":{"<i class=\"fa fa-home\"></i> Home":"http://hivemall.incubator.apache.org/"}},"gitbook":"3.x.x","description":"User Manual for Apache Hivemall"},"file":{"path":"troubleshooting/num_mappers.md","mtime":"2016-10-22T16:25:17.000Z","type":"markdown"},"gitbook":{"version":"3.2.2","time":"2016-10-22T19:10:36.585Z"},"basePath":"..","book":{"language":""}}); 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}); </script> </div> http://git-wip-us.apache.org/repos/asf/incubator-hivemall-site/blob/70615026/userguide/troubleshooting/oom.html ---------------------------------------------------------------------- diff --git a/userguide/troubleshooting/oom.html b/userguide/troubleshooting/oom.html index b7dfde2..027bde7 100644 --- a/userguide/troubleshooting/oom.html +++ b/userguide/troubleshooting/oom.html @@ -1631,7 +1631,25 @@ <section class="normal markdown-section"> - <h1 id="oom-in-mappers">OOM in mappers</h1> + <!-- + Licensed to the Apache Software Foundation (ASF) under one + or more contributor license agreements. See the NOTICE file + distributed with this work for additional information + regarding copyright ownership. The ASF licenses this file + to you under the Apache License, Version 2.0 (the + "License"); you may not use this file except in compliance + with the License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, + software distributed under the License is distributed on an + "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + KIND, either express or implied. See the License for the + specific language governing permissions and limitations + under the License. +--> +<h1 id="oom-in-mappers">OOM in mappers</h1> <p>In a certain setting, the default input split size is too large for Hivemall. Due to that, OutOfMemoryError cloud happen on mappers in the middle of training.</p> <p>Then, revise your a Hadoop setting (<strong>mapred.child.java.opts</strong>/<strong>mapred.map.child.java.opts</strong>) first to use a larger value as possible.</p> <p>If an OOM error still caused after that, set smaller <strong>mapred.max.split.size</strong> value before training.</p> @@ -1640,7 +1658,11 @@ <h1 id="oom-in-shufflemerge">OOM in shuffle/merge</h1> <p>If OOM caused during the merge step, try setting a larger <strong>mapred.reduce.tasks</strong> value before training and revise <a href="http://hadoop.apache.org/docs/r1.0.4/mapred_tutorial.html#Shuffle%2FReduce+Parameters"; target="_blank">shuffle/reduce parameters</a>.</p> <pre><code>SET mapred.reduce.tasks=64; -</code></pre><p>If your OOM happened by using amplify(), try using rand_amplify() instead.</p> +</code></pre><p>If your OOM happened by using amplify(), try using rand_amplify() instead. +<div id="page-footer"><hr><p><sub><font color="gray"> +Apache Hivemall is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. +</font></sub></p> +</div></p> </section> @@ -1674,7 +1696,7 @@ <script> var gitbook = gitbook || []; 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