http://git-wip-us.apache.org/repos/asf/impala/blob/8d3215b0/docs/build/html/topics/impala_known_issues.html ---------------------------------------------------------------------- diff --git a/docs/build/html/topics/impala_known_issues.html b/docs/build/html/topics/impala_known_issues.html index 3b148ee..7f2a7e4 100644 --- a/docs/build/html/topics/impala_known_issues.html +++ b/docs/build/html/topics/impala_known_issues.html @@ -1,6 +1,6 @@ <!DOCTYPE html SYSTEM "about:legacy-compat"> -<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="UTF-8"><meta name="copyright" content="(C) Copyright 2017"><meta name="DC.rights.owner" content="(C) Copyright 2017"><meta name="DC.Type" content="concept"><meta name="DC.Relation" scheme="URI" content="../topics/impala_release_notes.html"><meta name="prodname" content="Impala"><meta name="prodname" content="Impala"><meta name="version" content="Impala 2.8.x"><meta name="version" content="Impala 2.8.x"><meta name="DC.Format" content="XHTML"><meta name="DC.Identifier" content="known_issues"><link rel="stylesheet" type="text/css" href="../commonltr.css"><title>Known Issues and Workarounds in Impala</title></head><body id="known_issues"><main role="main"><article role="article" aria-labelledby="ariaid-title1"> +<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="UTF-8"><meta name="copyright" content="(C) Copyright 2018"><meta name="DC.rights.owner" content="(C) Copyright 2018"><meta name="DC.Type" content="concept"><meta name="DC.Relation" scheme="URI" content="../topics/impala_release_notes.html"><meta name="prodname" content="Impala"><meta name="prodname" content="Impala"><meta name="version" content="Impala 2.8.x"><meta name="version" content="Impala 2.8.x"><meta name="DC.Format" content="XHTML"><meta name="DC.Identifier" content="known_issues"><link rel="stylesheet" type="text/css" href="../commonltr.css"><title>Known Issues and Workarounds in Impala</title></head><body id="known_issues"><main role="main"><article role="article" aria-labelledby="ariaid-title1"> <h1 class="title topictitle1" id="ariaid-title1"><span class="ph">Known Issues and Workarounds in Impala</span></h1> @@ -24,7 +24,7 @@ <p class="p toc inpage"></p> <p class="p"> - For issues fixed in various Impala releases, see <a class="xref" href="impala_fixed_issues.html#fixed_issues">Fixed Issues in Apache Impala (incubating)</a>. + For issues fixed in various Impala releases, see <a class="xref" href="impala_fixed_issues.html#fixed_issues">Fixed Issues in Apache Impala</a>. </p> @@ -33,9 +33,56 @@ - <nav role="navigation" class="related-links"><div class="familylinks"><div class="parentlink"><strong>Parent topic:</strong> <a class="link" href="../topics/impala_release_notes.html">Impala Release Notes</a></div></div></nav><article class="topic concept nested1" aria-labelledby="ariaid-title2" id="known_issues__known_issues_crash"> + <nav role="navigation" class="related-links"><div class="familylinks"><div class="parentlink"><strong>Parent topic:</strong> <a class="link" href="../topics/impala_release_notes.html">Impala Release Notes</a></div></div></nav><article class="topic concept nested1" aria-labelledby="ariaid-title2" id="known_issues__known_issues_startup"> - <h2 class="title topictitle2" id="ariaid-title2">Impala Known Issues: Crashes and Hangs</h2> + <h2 class="title topictitle2" id="ariaid-title2">Impala Known Issues: Startup</h2> + + <div class="body conbody"> + + <p class="p"> + These issues can prevent one or more Impala-related daemons + from starting properly. + </p> + + </div> + + <article class="topic concept nested2" aria-labelledby="IMPALA-4978__IMPALA-5253" id="known_issues_startup__IMPALA-4978"> + <h3 class="title topictitle3" id="IMPALA-4978__IMPALA-5253">Problem retrieving FQDN causes startup problem on kerberized clusters</h3> + <div class="body conbody"> + <p class="p"> + The method Impala uses to retrieve the host name while constructing the Kerberos + principal is the <code class="ph codeph">gethostname()</code> system call. This function might + not always return the fully qualified domain name, depending on the network + configuration. If the daemons cannot determine the FQDN, Impala does not start + on a kerberized cluster. + </p> + <p class="p"> + This problem might occur immediately after an upgrade of a CDH cluster, due to changes + in Cloudera Manager that supplies the <code class="ph codeph">--hostname</code> flag automatically to + the Impala-related daemons. (See the issue <span class="q">"hostname parameter is not passed to Impala catalog role"</span> + at <a class="xref" href="https://www.cloudera.com/documentation/enterprise/release-notes/topics/cm_rn_known_issues.html"; target="_blank">the Cloudera Manager Known Issues page</a>.) + </p> + <p class="p"><strong class="ph b">Bugs:</strong> <a class="xref" href="https://issues.apache.org/jira/browse/IMPALA-4978"; target="_blank">IMPALA-4978</a>, <a class="xref" href="https://issues.apache.org/jira/browse/IMPALA-5253"; target="_blank">IMPALA-5253</a></p> + <p class="p"><strong class="ph b">Severity:</strong> High</p> + <p class="p"><strong class="ph b">Resolution:</strong> The issue is expected to occur less frequently on systems + with fixes for <a class="xref" href="https://issues.apache.org/jira/browse/IMPALA-4978"; target="_blank">IMPALA-4978</a>, <a class="xref" href="https://issues.apache.org/jira/browse/IMPALA-5253"; target="_blank">IMPALA-5253</a>, + or both. Even on systems with fixes for both of these issues, the workaround might still + be required in some cases. + </p> + <p class="p"><strong class="ph b">Workaround:</strong> Test if a host is affected by checking whether the output of the + <span class="keyword cmdname">hostname</span> command includes the FQDN. On hosts where <span class="keyword cmdname">hostname</span> + only returns the short name, pass the command-line flag + <code class="ph codeph">--hostname=<var class="keyword varname">fully_qualified_domain_name</var></code> + in the startup options of all Impala-related daemons. + </p> + </div> + </article> + + </article> + + <article class="topic concept nested1" aria-labelledby="ariaid-title4" id="known_issues__known_issues_crash"> + + <h2 class="title topictitle2" id="ariaid-title4">Impala Known Issues: Crashes and Hangs</h2> <div class="body conbody"> @@ -45,8 +92,8 @@ </div> - <article class="topic concept nested2" aria-labelledby="ariaid-title3" id="known_issues_crash__IMPALA-4828"> - <h3 class="title topictitle3" id="ariaid-title3">Altering Kudu table schema outside of Impala may result in crash on read</h3> + <article class="topic concept nested2" aria-labelledby="ariaid-title5" id="known_issues_crash__IMPALA-4828"> + <h3 class="title topictitle3" id="ariaid-title5">Altering Kudu table schema outside of Impala may result in crash on read</h3> <div class="body conbody"> <p class="p"> Creating a table in Impala, changing the column schema outside of Impala, @@ -64,9 +111,9 @@ </div> </article> - <article class="topic concept nested2" aria-labelledby="ariaid-title4" id="known_issues_crash__IMPALA-1972"> + <article class="topic concept nested2" aria-labelledby="ariaid-title6" id="known_issues_crash__IMPALA-1972"> - <h3 class="title topictitle3" id="ariaid-title4">Queries that take a long time to plan can cause webserver to block other queries</h3> + <h3 class="title topictitle3" id="ariaid-title6">Queries that take a long time to plan can cause webserver to block other queries</h3> <div class="body conbody"> @@ -86,9 +133,10 @@ </p> </div> + </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title5" id="IMPALA-1972__IMPALA-4595"> - <h4 class="title topictitle4" id="ariaid-title5">Linking IR UDF module to main module crashes Impala</h4> + <article class="topic concept nested2" aria-labelledby="ariaid-title7" id="known_issues_crash__IMPALA-4595"> + <h3 class="title topictitle3" id="ariaid-title7">Linking IR UDF module to main module crashes Impala</h3> <div class="body conbody"> <p class="p"> A UDF compiled as an LLVM module (<code class="ph codeph">.ll</code>) could cause a crash @@ -102,9 +150,9 @@ </div> </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title6" id="IMPALA-1972__IMPALA-3069"> + <article class="topic concept nested2" aria-labelledby="ariaid-title8" id="known_issues_crash__IMPALA-3069"> - <h4 class="title topictitle4" id="ariaid-title6">Setting BATCH_SIZE query option too large can cause a crash</h4> + <h3 class="title topictitle3" id="ariaid-title8">Setting BATCH_SIZE query option too large can cause a crash</h3> <div class="body conbody"> @@ -127,9 +175,9 @@ </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title7" id="IMPALA-1972__IMPALA-3441"> + <article class="topic concept nested2" aria-labelledby="ariaid-title9" id="known_issues_crash__IMPALA-3441"> - <h4 class="title topictitle4" id="ariaid-title7">Impala should not crash for invalid avro serialized data</h4> + <h3 class="title topictitle3" id="ariaid-title9">Impala should not crash for invalid avro serialized data</h3> <div class="body conbody"> @@ -151,9 +199,9 @@ </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title8" id="IMPALA-1972__IMPALA-2592"> + <article class="topic concept nested2" aria-labelledby="ariaid-title10" id="known_issues_crash__IMPALA-2592"> - <h4 class="title topictitle4" id="ariaid-title8">Queries may hang on server-to-server exchange errors</h4> + <h3 class="title topictitle3" id="ariaid-title10">Queries may hang on server-to-server exchange errors</h3> <div class="body conbody"> @@ -174,9 +222,9 @@ </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title9" id="IMPALA-1972__IMPALA-2365"> + <article class="topic concept nested2" aria-labelledby="ariaid-title11" id="known_issues_crash__IMPALA-2365"> - <h4 class="title topictitle4" id="ariaid-title9">Impalad is crashing if udf jar is not available in hdfs location for first time</h4> + <h3 class="title topictitle3" id="ariaid-title11">Impalad is crashing if udf jar is not available in hdfs location for first time</h3> <div class="body conbody"> @@ -197,9 +245,9 @@ </article> - <article class="topic concept nested2" aria-labelledby="known_issues_performance__ki_performance" id="known_issues_crash__known_issues_performance"> + <article class="topic concept nested1" aria-labelledby="known_issues_performance__ki_performance" id="known_issues__known_issues_performance"> - <h3 class="title topictitle3" id="known_issues_performance__ki_performance">Impala Known Issues: Performance</h3> + <h2 class="title topictitle2" id="known_issues_performance__ki_performance">Impala Known Issues: Performance</h2> <div class="body conbody"> @@ -209,8 +257,8 @@ </div> - <article class="topic concept nested3" aria-labelledby="ariaid-title11" id="known_issues_performance__IMPALA-3316"> - <h4 class="title topictitle4" id="ariaid-title11">Slow queries for Parquet tables with convert_legacy_hive_parquet_utc_timestamps=true</h4> + <article class="topic concept nested2" aria-labelledby="ariaid-title13" id="known_issues_performance__IMPALA-3316"> + <h3 class="title topictitle3" id="ariaid-title13">Slow queries for Parquet tables with convert_legacy_hive_parquet_utc_timestamps=true</h3> <div class="body conbody"> <p class="p"> The configuration setting <code class="ph codeph">convert_legacy_hive_parquet_utc_timestamps=true</code> @@ -235,11 +283,11 @@ </div> </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title12" id="known_issues_performance__IMPALA-1480"> + <article class="topic concept nested2" aria-labelledby="ariaid-title14" id="known_issues_performance__IMPALA-1480"> - <h4 class="title topictitle4" id="ariaid-title12">Slow DDL statements for tables with large number of partitions</h4> + <h3 class="title topictitle3" id="ariaid-title14">Slow DDL statements for tables with large number of partitions</h3> <div class="body conbody"> @@ -261,8 +309,8 @@ </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title13" id="known_issues_performance__ki_file_handle_cache"> - <h4 class="title topictitle4" id="ariaid-title13">Interaction of File Handle Cache with HDFS Appends and Short-Circuit Reads</h4> + <article class="topic concept nested2" aria-labelledby="ariaid-title15" id="known_issues_performance__ki_file_handle_cache"> + <h3 class="title topictitle3" id="ariaid-title15">Interaction of File Handle Cache with HDFS Appends and Short-Circuit Reads</h3> <div class="body conbody"> <p class="p"> If a data file used by Impala is being continuously appended or overwritten in place by an @@ -290,9 +338,9 @@ </article> - <article class="topic concept nested2" aria-labelledby="known_issues_usability__ki_usability" id="known_issues_crash__known_issues_usability"> + <article class="topic concept nested1" aria-labelledby="known_issues_usability__ki_usability" id="known_issues__known_issues_usability"> - <h3 class="title topictitle3" id="known_issues_usability__ki_usability">Impala Known Issues: Usability</h3> + <h2 class="title topictitle2" id="known_issues_usability__ki_usability">Impala Known Issues: Usability</h2> <div class="body conbody"> @@ -302,8 +350,8 @@ </div> - <article class="topic concept nested3" aria-labelledby="ariaid-title15" id="known_issues_usability__IMPALA-4570"> - <h4 class="title topictitle4" id="ariaid-title15">Impala shell tarball is not usable on systems with setuptools versions where '0.7' is a substring of the full version string</h4> + <article class="topic concept nested2" aria-labelledby="ariaid-title17" id="known_issues_usability__IMPALA-4570"> + <h3 class="title topictitle3" id="ariaid-title17">Impala shell tarball is not usable on systems with setuptools versions where '0.7' is a substring of the full version string</h3> <div class="body conbody"> <p class="p"> For example, this issue could occur on a system using setuptools version 20.7.0. @@ -317,9 +365,9 @@ </div> </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title16" id="known_issues_usability__IMPALA-3133"> + <article class="topic concept nested2" aria-labelledby="ariaid-title18" id="known_issues_usability__IMPALA-3133"> - <h4 class="title topictitle4" id="ariaid-title16">Unexpected privileges in show output</h4> + <h3 class="title topictitle3" id="ariaid-title18">Unexpected privileges in show output</h3> <div class="body conbody"> @@ -347,9 +395,9 @@ </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title17" id="known_issues_usability__IMPALA-1776"> + <article class="topic concept nested2" aria-labelledby="ariaid-title19" id="known_issues_usability__IMPALA-1776"> - <h4 class="title topictitle4" id="ariaid-title17">Less than 100% progress on completed simple SELECT queries</h4> + <h3 class="title topictitle3" id="ariaid-title19">Less than 100% progress on completed simple SELECT queries</h3> <div class="body conbody"> @@ -365,9 +413,9 @@ </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title18" id="known_issues_usability__concept_lmx_dk5_lx"> + <article class="topic concept nested2" aria-labelledby="ariaid-title20" id="known_issues_usability__concept_lmx_dk5_lx"> - <h4 class="title topictitle4" id="ariaid-title18">Unexpected column overflow behavior with INT datatypes</h4> + <h3 class="title topictitle3" id="ariaid-title20">Unexpected column overflow behavior with INT datatypes</h3> <div class="body conbody"> @@ -391,9 +439,9 @@ </article> - <article class="topic concept nested2" aria-labelledby="known_issues_drivers__ki_drivers" id="known_issues_crash__known_issues_drivers"> + <article class="topic concept nested1" aria-labelledby="known_issues_drivers__ki_drivers" id="known_issues__known_issues_drivers"> - <h3 class="title topictitle3" id="known_issues_drivers__ki_drivers">Impala Known Issues: JDBC and ODBC Drivers</h3> + <h2 class="title topictitle2" id="known_issues_drivers__ki_drivers">Impala Known Issues: JDBC and ODBC Drivers</h2> <div class="body conbody"> @@ -404,11 +452,11 @@ </div> - <article class="topic concept nested3" aria-labelledby="ariaid-title20" id="known_issues_drivers__IMPALA-1792"> + <article class="topic concept nested2" aria-labelledby="ariaid-title22" id="known_issues_drivers__IMPALA-1792"> - <h4 class="title topictitle4" id="ariaid-title20">ImpalaODBC: Can not get the value in the SQLGetData(m-x th column) after the SQLBindCol(m th column)</h4> + <h3 class="title topictitle3" id="ariaid-title22">ImpalaODBC: Can not get the value in the SQLGetData(m-x th column) after the SQLBindCol(m th column)</h3> <div class="body conbody"> @@ -432,9 +480,9 @@ </article> - <article class="topic concept nested2" aria-labelledby="known_issues_security__ki_security" id="known_issues_crash__known_issues_security"> + <article class="topic concept nested1" aria-labelledby="known_issues_security__ki_security" id="known_issues__known_issues_security"> - <h3 class="title topictitle3" id="known_issues_security__ki_security">Impala Known Issues: Security</h3> + <h2 class="title topictitle2" id="known_issues_security__ki_security">Impala Known Issues: Security</h2> <div class="body conbody"> @@ -445,8 +493,8 @@ </div> - <article class="topic concept nested3" aria-labelledby="ariaid-title22" id="known_issues_security__IMPALA-5638"> - <h4 class="title topictitle4" id="ariaid-title22">Malicious user can gain unauthorized access to Kudu table data via Impala</h4> + <article class="topic concept nested2" aria-labelledby="ariaid-title24" id="known_issues_security__IMPALA-5638"> + <h3 class="title topictitle3" id="ariaid-title24">Malicious user can gain unauthorized access to Kudu table data via Impala</h3> <div class="body conbody"> <p class="p"> A malicious user with <code class="ph codeph">ALTER</code> permissions on an Impala table can access any @@ -466,11 +514,11 @@ </div> </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title23" id="known_issues_security__renewable_kerberos_tickets"> + <article class="topic concept nested2" aria-labelledby="ariaid-title25" id="known_issues_security__renewable_kerberos_tickets"> - <h4 class="title topictitle4" id="ariaid-title23">Kerberos tickets must be renewable</h4> + <h3 class="title topictitle3" id="ariaid-title25">Kerberos tickets must be renewable</h3> <div class="body conbody"> @@ -493,9 +541,9 @@ - <article class="topic concept nested2" aria-labelledby="known_issues_resources__ki_resources" id="known_issues_crash__known_issues_resources"> + <article class="topic concept nested1" aria-labelledby="known_issues_resources__ki_resources" id="known_issues__known_issues_resources"> - <h3 class="title topictitle3" id="known_issues_resources__ki_resources">Impala Known Issues: Resources</h3> + <h2 class="title topictitle2" id="known_issues_resources__ki_resources">Impala Known Issues: Resources</h2> <div class="body conbody"> @@ -506,8 +554,8 @@ </div> - <article class="topic concept nested3" aria-labelledby="ariaid-title25" id="known_issues_resources__IMPALA-5605"> - <h4 class="title topictitle4" id="ariaid-title25">Configuration to prevent crashes caused by thread resource limits</h4> + <article class="topic concept nested2" aria-labelledby="ariaid-title27" id="known_issues_resources__IMPALA-5605"> + <h3 class="title topictitle3" id="ariaid-title27">Configuration to prevent crashes caused by thread resource limits</h3> <div class="body conbody"> <p class="p"> Impala could encounter a serious error due to resource usage under very high concurrency. @@ -539,8 +587,8 @@ impala hard nproc 262144 </div> </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title26" id="known_issues_resources__flatbuffers_mem_usage"> - <h4 class="title topictitle4" id="ariaid-title26">Memory usage when compact_catalog_topic flag enabled</h4> + <article class="topic concept nested2" aria-labelledby="ariaid-title28" id="known_issues_resources__flatbuffers_mem_usage"> + <h3 class="title topictitle3" id="ariaid-title28">Memory usage when compact_catalog_topic flag enabled</h3> <div class="body conbody"> <p class="p"> The efficiency improvement from <a class="xref" href="https://issues.apache.org/jira/browse/IMPALA-4029"; target="_blank">IMPALA-4029</a> @@ -565,8 +613,8 @@ impala hard nproc 262144 </div> </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title27" id="known_issues_resources__IMPALA-2294"> - <h4 class="title topictitle4" id="ariaid-title27">Kerberos initialization errors due to high memory usage</h4> + <article class="topic concept nested2" aria-labelledby="ariaid-title29" id="known_issues_resources__IMPALA-2294"> + <h3 class="title topictitle3" id="ariaid-title29">Kerberos initialization errors due to high memory usage</h3> <div class="body conbody"> <div class="p"> On a kerberized cluster with high memory utilization, <span class="keyword cmdname">kinit</span> commands executed after @@ -603,8 +651,8 @@ vm.overcommit_memory=1 </div> </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title28" id="known_issues_resources__drop_table_purge_s3a"> - <h4 class="title topictitle4" id="ariaid-title28">DROP TABLE PURGE on S3A table may not delete externally written files</h4> + <article class="topic concept nested2" aria-labelledby="ariaid-title30" id="known_issues_resources__drop_table_purge_s3a"> + <h3 class="title topictitle3" id="ariaid-title30">DROP TABLE PURGE on S3A table may not delete externally written files</h3> <div class="body conbody"> <p class="p"> A <code class="ph codeph">DROP TABLE PURGE</code> statement against an S3 table could leave the data files @@ -617,9 +665,9 @@ vm.overcommit_memory=1 </div> </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title29" id="known_issues_resources__catalogd_heap"> + <article class="topic concept nested2" aria-labelledby="ariaid-title31" id="known_issues_resources__catalogd_heap"> - <h4 class="title topictitle4" id="ariaid-title29">Impala catalogd heap issues when upgrading to <span class="keyword">Impala 2.5</span></h4> + <h3 class="title topictitle3" id="ariaid-title31">Impala catalogd heap issues when upgrading to <span class="keyword">Impala 2.5</span></h3> <div class="body conbody"> @@ -702,9 +750,9 @@ vm.overcommit_memory=1 </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title30" id="known_issues_resources__IMPALA-3509"> + <article class="topic concept nested2" aria-labelledby="ariaid-title32" id="known_issues_resources__IMPALA-3509"> - <h4 class="title topictitle4" id="ariaid-title30">Breakpad minidumps can be very large when the thread count is high</h4> + <h3 class="title topictitle3" id="ariaid-title32">Breakpad minidumps can be very large when the thread count is high</h3> <div class="body conbody"> @@ -733,9 +781,9 @@ vm.overcommit_memory=1 </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title31" id="known_issues_resources__IMPALA-3662"> + <article class="topic concept nested2" aria-labelledby="ariaid-title33" id="known_issues_resources__IMPALA-3662"> - <h4 class="title topictitle4" id="ariaid-title31">Parquet scanner memory increase after IMPALA-2736</h4> + <h3 class="title topictitle3" id="ariaid-title33">Parquet scanner memory increase after IMPALA-2736</h3> <div class="body conbody"> @@ -799,9 +847,9 @@ vm.overcommit_memory=1 </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title32" id="known_issues_resources__IMPALA-691"> + <article class="topic concept nested2" aria-labelledby="ariaid-title34" id="known_issues_resources__IMPALA-691"> - <h4 class="title topictitle4" id="ariaid-title32">Process mem limit does not account for the JVM's memory usage</h4> + <h3 class="title topictitle3" id="ariaid-title34">Process mem limit does not account for the JVM's memory usage</h3> @@ -825,11 +873,11 @@ vm.overcommit_memory=1 </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title33" id="known_issues_resources__IMPALA-2375"> + <article class="topic concept nested2" aria-labelledby="ariaid-title35" id="known_issues_resources__IMPALA-2375"> - <h4 class="title topictitle4" id="ariaid-title33">Fix issues with the legacy join and agg nodes using --enable_partitioned_hash_join=false and --enable_partitioned_aggregation=false</h4> + <h3 class="title topictitle3" id="ariaid-title35">Fix issues with the legacy join and agg nodes using --enable_partitioned_hash_join=false and --enable_partitioned_aggregation=false</h3> <div class="body conbody"> @@ -851,9 +899,9 @@ vm.overcommit_memory=1 </article> - <article class="topic concept nested2" aria-labelledby="known_issues_correctness__ki_correctness" id="known_issues_crash__known_issues_correctness"> + <article class="topic concept nested1" aria-labelledby="known_issues_correctness__ki_correctness" id="known_issues__known_issues_correctness"> - <h3 class="title topictitle3" id="known_issues_correctness__ki_correctness">Impala Known Issues: Correctness</h3> + <h2 class="title topictitle2" id="known_issues_correctness__ki_correctness">Impala Known Issues: Correctness</h2> <div class="body conbody"> @@ -863,8 +911,53 @@ vm.overcommit_memory=1 </div> - <article class="topic concept nested3" aria-labelledby="ariaid-title35" id="known_issues_correctness__IMPALA-4513"> - <h4 class="title topictitle4" id="ariaid-title35">ABS(n) where n is the lowest bound for the int types returns negative values</h4> + <article class="topic concept nested2" aria-labelledby="ariaid-title37" id="known_issues_correctness__IMPALA-4539"> + <h3 class="title topictitle3" id="ariaid-title37">Parquet scanner memory bug: I/O buffer is attached to output batch while scratch batch rows still reference it</h3> + + <div class="body conbody"> + <p class="p"> + Impala queries may return incorrect results when scanning plain-encoded string + columns in uncompressed Parquet files. I/O buffers holding the string data are + prematurely freed, leading to invalid memory reads and possibly + non-deterministic results. This does not affect Parquet files that use a + compression codec such as Snappy. Snappy is both strongly recommended generally + and the default choice for Impala-written Parquet files. + </p> + <p class="p"> + How to determine whether a query might be affected: + </p> + <ul class="ul"> + <li class="li"> + The query must reference <code class="ph codeph">STRING</code> columns from a Parquet table. + </li> + <li class="li"> + A selective filter on the Parquet table makes this issue more likely. + </li> + <li class="li"> + Identify any uncompressed Parquet files processed by the query. + Examine the <code class="ph codeph">HDFS_SCAN_NODE</code> portion of a query profile that scans the + suspected table. Use a query that performs a full table scan, and materializes the column + values. (For example, <code class="ph codeph">SELECT MIN(<var class="keyword varname">colname</var>) FROM <var class="keyword varname">tablename</var></code>.) + Look for <span class="q">"File Formats"</span>. A value containing <code class="ph codeph">PARQUET/NONE</code> means uncompressed Parquet. + </li> + <li class="li"> + Identify any plain-encoded string columns in the associated table. Pay special attention to tables + containing Parquet files generated through Hive, Spark, or other mechanisms outside of Impala, + because Impala uses Snappy compression by default for Parquet files. Use <code class="ph codeph">parquet-tools</code> + to dump the file metadata. Note that a column could have several encodings within the same file (the column + data is stored in several column chunks). Look for <code class="ph codeph">VLE:PLAIN</code> in the output of + <code class="ph codeph">parquet-tools</code>, which means the values are plain encoded. + </li> + </ul> + <p class="p"><strong class="ph b">Bug:</strong> <a class="xref" href="https://issues.apache.org/jira/browse/IMPALA-4539"; target="_blank">IMPALA-4539</a></p> + <p class="p"><strong class="ph b">Severity:</strong> High</p> + <p class="p"><strong class="ph b">Resolution:</strong> Upgrade to a version of Impala containing the fix for <a class="xref" href="https://issues.apache.org/jira/browse/IMPALA-4539"; target="_blank">IMPALA-4539</a>.</p> + <p class="p"><strong class="ph b">Workaround:</strong> Use Snappy or another compression codec for Parquet files.</p> + </div> + </article> + + <article class="topic concept nested2" aria-labelledby="ariaid-title38" id="known_issues_correctness__IMPALA-4513"> + <h3 class="title topictitle3" id="ariaid-title38">ABS(n) where n is the lowest bound for the int types returns negative values</h3> <div class="body conbody"> <p class="p"> If the <code class="ph codeph">abs()</code> function evaluates a number that is right at the lower bound for @@ -880,8 +973,8 @@ vm.overcommit_memory=1 </div> </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title36" id="known_issues_correctness__IMPALA-4266"> - <h4 class="title topictitle4" id="ariaid-title36">Java udf expression returning string in group by can give incorrect results.</h4> + <article class="topic concept nested2" aria-labelledby="ariaid-title39" id="known_issues_correctness__IMPALA-4266"> + <h3 class="title topictitle3" id="ariaid-title39">Java udf expression returning string in group by can give incorrect results.</h3> <div class="body conbody"> <p class="p"> If the <code class="ph codeph">GROUP BY</code> clause included a call to a Java UDF that returned a string value, @@ -897,9 +990,9 @@ vm.overcommit_memory=1 </div> </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title37" id="known_issues_correctness__IMPALA-3084"> + <article class="topic concept nested2" aria-labelledby="ariaid-title40" id="known_issues_correctness__IMPALA-3084"> - <h4 class="title topictitle4" id="ariaid-title37">Incorrect assignment of NULL checking predicate through an outer join of a nested collection.</h4> + <h3 class="title topictitle3" id="ariaid-title40">Incorrect assignment of NULL checking predicate through an outer join of a nested collection.</h3> <div class="body conbody"> @@ -923,9 +1016,9 @@ vm.overcommit_memory=1 </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title38" id="known_issues_correctness__IMPALA-3094"> + <article class="topic concept nested2" aria-labelledby="ariaid-title41" id="known_issues_correctness__IMPALA-3094"> - <h4 class="title topictitle4" id="ariaid-title38">Incorrect result due to constant evaluation in query with outer join</h4> + <h3 class="title topictitle3" id="ariaid-title41">Incorrect result due to constant evaluation in query with outer join</h3> <div class="body conbody"> @@ -968,9 +1061,9 @@ explain SELECT 1 FROM alltypestiny a1 </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title39" id="known_issues_correctness__IMPALA-3126"> + <article class="topic concept nested2" aria-labelledby="ariaid-title42" id="known_issues_correctness__IMPALA-3126"> - <h4 class="title topictitle4" id="ariaid-title39">Incorrect assignment of an inner join On-clause predicate through an outer join.</h4> + <h3 class="title topictitle3" id="ariaid-title42">Incorrect assignment of an inner join On-clause predicate through an outer join.</h3> <div class="body conbody"> @@ -1146,9 +1239,9 @@ where b.int_col = c.int_col </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title40" id="known_issues_correctness__IMPALA-3006"> + <article class="topic concept nested2" aria-labelledby="ariaid-title43" id="known_issues_correctness__IMPALA-3006"> - <h4 class="title topictitle4" id="ariaid-title40">Impala may use incorrect bit order with BIT_PACKED encoding</h4> + <h3 class="title topictitle3" id="ariaid-title43">Impala may use incorrect bit order with BIT_PACKED encoding</h3> <div class="body conbody"> @@ -1169,9 +1262,9 @@ where b.int_col = c.int_col </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title41" id="known_issues_correctness__IMPALA-3082"> + <article class="topic concept nested2" aria-labelledby="ariaid-title44" id="known_issues_correctness__IMPALA-3082"> - <h4 class="title topictitle4" id="ariaid-title41">BST between 1972 and 1995</h4> + <h3 class="title topictitle3" id="ariaid-title44">BST between 1972 and 1995</h3> <div class="body conbody"> @@ -1200,9 +1293,9 @@ select </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title42" id="known_issues_correctness__IMPALA-1170"> + <article class="topic concept nested2" aria-labelledby="ariaid-title45" id="known_issues_correctness__IMPALA-1170"> - <h4 class="title topictitle4" id="ariaid-title42">parse_url() returns incorrect result if @ character in URL</h4> + <h3 class="title topictitle3" id="ariaid-title45">parse_url() returns incorrect result if @ character in URL</h3> <div class="body conbody"> @@ -1221,9 +1314,9 @@ select </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title43" id="known_issues_correctness__IMPALA-2422"> + <article class="topic concept nested2" aria-labelledby="ariaid-title46" id="known_issues_correctness__IMPALA-2422"> - <h4 class="title topictitle4" id="ariaid-title43">% escaping does not work correctly when occurs at the end in a LIKE clause</h4> + <h3 class="title topictitle3" id="ariaid-title46">% escaping does not work correctly when occurs at the end in a LIKE clause</h3> <div class="body conbody"> @@ -1240,9 +1333,9 @@ select </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title44" id="known_issues_correctness__IMPALA-397"> + <article class="topic concept nested2" aria-labelledby="ariaid-title47" id="known_issues_correctness__IMPALA-397"> - <h4 class="title topictitle4" id="ariaid-title44">ORDER BY rand() does not work.</h4> + <h3 class="title topictitle3" id="ariaid-title47">ORDER BY rand() does not work.</h3> <div class="body conbody"> @@ -1259,9 +1352,9 @@ select </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title45" id="known_issues_correctness__IMPALA-2643"> + <article class="topic concept nested2" aria-labelledby="ariaid-title48" id="known_issues_correctness__IMPALA-2643"> - <h4 class="title topictitle4" id="ariaid-title45">Duplicated column in inline view causes dropping null slots during scan</h4> + <h3 class="title topictitle3" id="ariaid-title48">Duplicated column in inline view causes dropping null slots during scan</h3> <div class="body conbody"> @@ -1284,11 +1377,11 @@ select </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title46" id="known_issues_correctness__IMPALA-1459"> + <article class="topic concept nested2" aria-labelledby="ariaid-title49" id="known_issues_correctness__IMPALA-1459"> - <h4 class="title topictitle4" id="ariaid-title46">Incorrect assignment of predicates through an outer join in an inline view.</h4> + <h3 class="title topictitle3" id="ariaid-title49">Incorrect assignment of predicates through an outer join in an inline view.</h3> <div class="body conbody"> @@ -1307,9 +1400,9 @@ select </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title47" id="known_issues_correctness__IMPALA-2603"> + <article class="topic concept nested2" aria-labelledby="ariaid-title50" id="known_issues_correctness__IMPALA-2603"> - <h4 class="title topictitle4" id="ariaid-title47">Crash: impala::Coordinator::ValidateCollectionSlots</h4> + <h3 class="title topictitle3" id="ariaid-title50">Crash: impala::Coordinator::ValidateCollectionSlots</h3> <div class="body conbody"> @@ -1326,9 +1419,9 @@ select </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title48" id="known_issues_correctness__IMPALA-2665"> + <article class="topic concept nested2" aria-labelledby="ariaid-title51" id="known_issues_correctness__IMPALA-2665"> - <h4 class="title topictitle4" id="ariaid-title48">Incorrect assignment of On-clause predicate inside inline view with an outer join.</h4> + <h3 class="title topictitle3" id="ariaid-title51">Incorrect assignment of On-clause predicate inside inline view with an outer join.</h3> <div class="body conbody"> @@ -1361,9 +1454,9 @@ select </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title49" id="known_issues_correctness__IMPALA-2144"> + <article class="topic concept nested2" aria-labelledby="ariaid-title52" id="known_issues_correctness__IMPALA-2144"> - <h4 class="title topictitle4" id="ariaid-title49">Wrong assignment of having clause predicate across outer join</h4> + <h3 class="title topictitle3" id="ariaid-title52">Wrong assignment of having clause predicate across outer join</h3> <div class="body conbody"> @@ -1382,9 +1475,9 @@ select </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title50" id="known_issues_correctness__IMPALA-2093"> + <article class="topic concept nested2" aria-labelledby="ariaid-title53" id="known_issues_correctness__IMPALA-2093"> - <h4 class="title topictitle4" id="ariaid-title50">Wrong plan of NOT IN aggregate subquery when a constant is used in subquery predicate</h4> + <h3 class="title topictitle3" id="ariaid-title53">Wrong plan of NOT IN aggregate subquery when a constant is used in subquery predicate</h3> <div class="body conbody"> @@ -1405,9 +1498,9 @@ select </article> - <article class="topic concept nested2" aria-labelledby="known_issues_metadata__ki_metadata" id="known_issues_crash__known_issues_metadata"> + <article class="topic concept nested1" aria-labelledby="known_issues_metadata__ki_metadata" id="known_issues__known_issues_metadata"> - <h3 class="title topictitle3" id="known_issues_metadata__ki_metadata">Impala Known Issues: Metadata</h3> + <h2 class="title topictitle2" id="known_issues_metadata__ki_metadata">Impala Known Issues: Metadata</h2> <div class="body conbody"> @@ -1418,9 +1511,9 @@ select </div> - <article class="topic concept nested3" aria-labelledby="ariaid-title52" id="known_issues_metadata__IMPALA-2648"> + <article class="topic concept nested2" aria-labelledby="ariaid-title55" id="known_issues_metadata__IMPALA-2648"> - <h4 class="title topictitle4" id="ariaid-title52">Catalogd may crash when loading metadata for tables with many partitions, many columns and with incremental stats</h4> + <h3 class="title topictitle3" id="ariaid-title55">Catalogd may crash when loading metadata for tables with many partitions, many columns and with incremental stats</h3> <div class="body conbody"> @@ -1445,11 +1538,11 @@ select </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title53" id="known_issues_metadata__IMPALA-1420"> + <article class="topic concept nested2" aria-labelledby="ariaid-title56" id="known_issues_metadata__IMPALA-1420"> - <h4 class="title topictitle4" id="ariaid-title53">Can't update stats manually via alter table after upgrading to <span class="keyword">Impala 2.0</span></h4> + <h3 class="title topictitle3" id="ariaid-title56">Can't update stats manually via alter table after upgrading to <span class="keyword">Impala 2.0</span></h3> <div class="body conbody"> @@ -1479,9 +1572,9 @@ select </article> - <article class="topic concept nested2" aria-labelledby="known_issues_interop__ki_interop" id="known_issues_crash__known_issues_interop"> + <article class="topic concept nested1" aria-labelledby="known_issues_interop__ki_interop" id="known_issues__known_issues_interop"> - <h3 class="title topictitle3" id="known_issues_interop__ki_interop">Impala Known Issues: Interoperability</h3> + <h2 class="title topictitle2" id="known_issues_interop__ki_interop">Impala Known Issues: Interoperability</h2> <div class="body conbody"> @@ -1494,9 +1587,9 @@ select - <article class="topic concept nested3" aria-labelledby="ariaid-title55" id="known_issues_interop__describe_formatted_avro"> + <article class="topic concept nested2" aria-labelledby="ariaid-title58" id="known_issues_interop__describe_formatted_avro"> - <h4 class="title topictitle4" id="ariaid-title55">DESCRIBE FORMATTED gives error on Avro table</h4> + <h3 class="title topictitle3" id="ariaid-title58">DESCRIBE FORMATTED gives error on Avro table</h3> <div class="body conbody"> @@ -1528,11 +1621,11 @@ ALTER TABLE table_name SET TBLPROPERTIES('EXTERNAL'='TRUE'); </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title56" id="known_issues_interop__IMP-469"> + <article class="topic concept nested2" aria-labelledby="ariaid-title59" id="known_issues_interop__IMP-469"> - <h4 class="title topictitle4" id="ariaid-title56">Deviation from Hive behavior: Impala does not do implicit casts between string and numeric and boolean types.</h4> + <h3 class="title topictitle3" id="ariaid-title59">Deviation from Hive behavior: Impala does not do implicit casts between string and numeric and boolean types.</h3> <div class="body conbody"> @@ -1548,11 +1641,11 @@ ALTER TABLE table_name SET TBLPROPERTIES('EXTERNAL'='TRUE'); </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title57" id="known_issues_interop__IMP-175"> + <article class="topic concept nested2" aria-labelledby="ariaid-title60" id="known_issues_interop__IMP-175"> - <h4 class="title topictitle4" id="ariaid-title57">Deviation from Hive behavior: Out of range values float/double values are returned as maximum allowed value of type (Hive returns NULL)</h4> + <h3 class="title topictitle3" id="ariaid-title60">Deviation from Hive behavior: Out of range values float/double values are returned as maximum allowed value of type (Hive returns NULL)</h3> <div class="body conbody"> @@ -1569,11 +1662,11 @@ ALTER TABLE table_name SET TBLPROPERTIES('EXTERNAL'='TRUE'); </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title58" id="known_issues_interop__flume_writeformat_text"> + <article class="topic concept nested2" aria-labelledby="ariaid-title61" id="known_issues_interop__flume_writeformat_text"> - <h4 class="title topictitle4" id="ariaid-title58">Configuration needed for Flume to be compatible with Impala</h4> + <h3 class="title topictitle3" id="ariaid-title61">Configuration needed for Flume to be compatible with Impala</h3> <div class="body conbody"> @@ -1592,11 +1685,11 @@ ALTER TABLE table_name SET TBLPROPERTIES('EXTERNAL'='TRUE'); </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title59" id="known_issues_interop__IMPALA-635"> + <article class="topic concept nested2" aria-labelledby="ariaid-title62" id="known_issues_interop__IMPALA-635"> - <h4 class="title topictitle4" id="ariaid-title59">Avro Scanner fails to parse some schemas</h4> + <h3 class="title topictitle3" id="ariaid-title62">Avro Scanner fails to parse some schemas</h3> <div class="body conbody"> @@ -1622,11 +1715,11 @@ ALTER TABLE table_name SET TBLPROPERTIES('EXTERNAL'='TRUE'); </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title60" id="known_issues_interop__IMPALA-1024"> + <article class="topic concept nested2" aria-labelledby="ariaid-title63" id="known_issues_interop__IMPALA-1024"> - <h4 class="title topictitle4" id="ariaid-title60">Impala BE cannot parse Avro schema that contains a trailing semi-colon</h4> + <h3 class="title topictitle3" id="ariaid-title63">Impala BE cannot parse Avro schema that contains a trailing semi-colon</h3> <div class="body conbody"> @@ -1646,11 +1739,11 @@ ALTER TABLE table_name SET TBLPROPERTIES('EXTERNAL'='TRUE'); </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title61" id="known_issues_interop__IMPALA-2154"> + <article class="topic concept nested2" aria-labelledby="ariaid-title64" id="known_issues_interop__IMPALA-2154"> - <h4 class="title topictitle4" id="ariaid-title61">Fix decompressor to allow parsing gzips with multiple streams</h4> + <h3 class="title topictitle3" id="ariaid-title64">Fix decompressor to allow parsing gzips with multiple streams</h3> <div class="body conbody"> @@ -1673,11 +1766,11 @@ ALTER TABLE table_name SET TBLPROPERTIES('EXTERNAL'='TRUE'); </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title62" id="known_issues_interop__IMPALA-1578"> + <article class="topic concept nested2" aria-labelledby="ariaid-title65" id="known_issues_interop__IMPALA-1578"> - <h4 class="title topictitle4" id="ariaid-title62">Impala incorrectly handles text data when the new line character \n\r is split between different HDFS block</h4> + <h3 class="title topictitle3" id="ariaid-title65">Impala incorrectly handles text data when the new line character \n\r is split between different HDFS block</h3> <div class="body conbody"> @@ -1700,11 +1793,11 @@ ALTER TABLE table_name SET TBLPROPERTIES('EXTERNAL'='TRUE'); </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title63" id="known_issues_interop__IMPALA-1862"> + <article class="topic concept nested2" aria-labelledby="ariaid-title66" id="known_issues_interop__IMPALA-1862"> - <h4 class="title topictitle4" id="ariaid-title63">Invalid bool value not reported as a scanner error</h4> + <h3 class="title topictitle3" id="ariaid-title66">Invalid bool value not reported as a scanner error</h3> <div class="body conbody"> @@ -1722,11 +1815,11 @@ ALTER TABLE table_name SET TBLPROPERTIES('EXTERNAL'='TRUE'); </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title64" id="known_issues_interop__IMPALA-1652"> + <article class="topic concept nested2" aria-labelledby="ariaid-title67" id="known_issues_interop__IMPALA-1652"> - <h4 class="title topictitle4" id="ariaid-title64">Incorrect results with basic predicate on CHAR typed column.</h4> + <h3 class="title topictitle3" id="ariaid-title67">Incorrect results with basic predicate on CHAR typed column.</h3> <div class="body conbody"> @@ -1750,9 +1843,9 @@ ALTER TABLE table_name SET TBLPROPERTIES('EXTERNAL'='TRUE'); </article> - <article class="topic concept nested2" aria-labelledby="ariaid-title65" id="known_issues_crash__known_issues_limitations"> + <article class="topic concept nested1" aria-labelledby="ariaid-title68" id="known_issues__known_issues_limitations"> - <h3 class="title topictitle3" id="ariaid-title65">Impala Known Issues: Limitations</h3> + <h2 class="title topictitle2" id="ariaid-title68">Impala Known Issues: Limitations</h2> <div class="body conbody"> @@ -1763,8 +1856,8 @@ ALTER TABLE table_name SET TBLPROPERTIES('EXTERNAL'='TRUE'); </div> - <article class="topic concept nested3" aria-labelledby="ariaid-title66" id="known_issues_limitations__IMPALA-4551"> - <h4 class="title topictitle4" id="ariaid-title66">Set limits on size of expression trees</h4> + <article class="topic concept nested2" aria-labelledby="ariaid-title69" id="known_issues_limitations__IMPALA-4551"> + <h3 class="title topictitle3" id="ariaid-title69">Set limits on size of expression trees</h3> <div class="body conbody"> <p class="p"> Very deeply nested expressions within queries can exceed internal Impala limits, @@ -1778,11 +1871,11 @@ ALTER TABLE table_name SET TBLPROPERTIES('EXTERNAL'='TRUE'); </div> </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title67" id="known_issues_limitations__IMPALA-77"> + <article class="topic concept nested2" aria-labelledby="ariaid-title70" id="known_issues_limitations__IMPALA-77"> - <h4 class="title topictitle4" id="ariaid-title67">Impala does not support running on clusters with federated namespaces</h4> + <h3 class="title topictitle3" id="ariaid-title70">Impala does not support running on clusters with federated namespaces</h3> <div class="body conbody"> @@ -1809,9 +1902,9 @@ ALTER TABLE table_name SET TBLPROPERTIES('EXTERNAL'='TRUE'); </article> - <article class="topic concept nested2" aria-labelledby="ariaid-title68" id="known_issues_crash__known_issues_misc"> + <article class="topic concept nested1" aria-labelledby="ariaid-title71" id="known_issues__known_issues_misc"> - <h3 class="title topictitle3" id="ariaid-title68">Impala Known Issues: Miscellaneous / Older Issues</h3> + <h2 class="title topictitle2" id="ariaid-title71">Impala Known Issues: Miscellaneous / Older Issues</h2> <div class="body conbody"> @@ -1821,11 +1914,11 @@ ALTER TABLE table_name SET TBLPROPERTIES('EXTERNAL'='TRUE'); </div> - <article class="topic concept nested3" aria-labelledby="ariaid-title69" id="known_issues_misc__IMPALA-2005"> + <article class="topic concept nested2" aria-labelledby="ariaid-title72" id="known_issues_misc__IMPALA-2005"> - <h4 class="title topictitle4" id="ariaid-title69">A failed CTAS does not drop the table if the insert fails.</h4> + <h3 class="title topictitle3" id="ariaid-title72">A failed CTAS does not drop the table if the insert fails.</h3> <div class="body conbody"> @@ -1846,11 +1939,11 @@ ALTER TABLE table_name SET TBLPROPERTIES('EXTERNAL'='TRUE'); </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title70" id="known_issues_misc__IMPALA-1821"> + <article class="topic concept nested2" aria-labelledby="ariaid-title73" id="known_issues_misc__IMPALA-1821"> - <h4 class="title topictitle4" id="ariaid-title70">Casting scenarios with invalid/inconsistent results</h4> + <h3 class="title topictitle3" id="ariaid-title73">Casting scenarios with invalid/inconsistent results</h3> <div class="body conbody"> @@ -1870,11 +1963,11 @@ ALTER TABLE table_name SET TBLPROPERTIES('EXTERNAL'='TRUE'); </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title71" id="known_issues_misc__IMPALA-1619"> + <article class="topic concept nested2" aria-labelledby="ariaid-title74" id="known_issues_misc__IMPALA-1619"> - <h4 class="title topictitle4" id="ariaid-title71">Support individual memory allocations larger than 1 GB</h4> + <h3 class="title topictitle3" id="ariaid-title74">Support individual memory allocations larger than 1 GB</h3> <div class="body conbody"> @@ -1894,11 +1987,11 @@ ALTER TABLE table_name SET TBLPROPERTIES('EXTERNAL'='TRUE'); </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title72" id="known_issues_misc__IMPALA-941"> + <article class="topic concept nested2" aria-labelledby="ariaid-title75" id="known_issues_misc__IMPALA-941"> - <h4 class="title topictitle4" id="ariaid-title72">Impala Parser issue when using fully qualified table names that start with a number.</h4> + <h3 class="title topictitle3" id="ariaid-title75">Impala Parser issue when using fully qualified table names that start with a number.</h3> <div class="body conbody"> @@ -1919,11 +2012,11 @@ ALTER TABLE table_name SET TBLPROPERTIES('EXTERNAL'='TRUE'); </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title73" id="known_issues_misc__IMPALA-532"> + <article class="topic concept nested2" aria-labelledby="ariaid-title76" id="known_issues_misc__IMPALA-532"> - <h4 class="title topictitle4" id="ariaid-title73">Impala should tolerate bad locale settings</h4> + <h3 class="title topictitle3" id="ariaid-title76">Impala should tolerate bad locale settings</h3> <div class="body conbody"> @@ -1948,11 +2041,11 @@ ALTER TABLE table_name SET TBLPROPERTIES('EXTERNAL'='TRUE'); </article> - <article class="topic concept nested3" aria-labelledby="ariaid-title74" id="known_issues_misc__IMP-1203"> + <article class="topic concept nested2" aria-labelledby="ariaid-title77" id="known_issues_misc__IMP-1203"> - <h4 class="title topictitle4" id="ariaid-title74">Log Level 3 Not Recommended for Impala</h4> + <h3 class="title topictitle3" id="ariaid-title77">Log Level 3 Not Recommended for Impala</h3> <div class="body conbody"> @@ -1971,5 +2064,4 @@ ALTER TABLE table_name SET TBLPROPERTIES('EXTERNAL'='TRUE'); </article> -</article> </article></main></body></html> \ No newline at end of file
http://git-wip-us.apache.org/repos/asf/impala/blob/8d3215b0/docs/build/html/topics/impala_kudu.html ---------------------------------------------------------------------- diff --git a/docs/build/html/topics/impala_kudu.html b/docs/build/html/topics/impala_kudu.html index d610595..f1e08fd 100644 --- a/docs/build/html/topics/impala_kudu.html +++ b/docs/build/html/topics/impala_kudu.html @@ -1,6 +1,6 @@ <!DOCTYPE html SYSTEM "about:legacy-compat"> -<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="UTF-8"><meta name="copyright" content="(C) Copyright 2017"><meta name="DC.rights.owner" content="(C) Copyright 2017"><meta name="DC.Type" content="concept"><meta name="prodname" content="Impala"><meta name="prodname" content="Impala"><meta name="version" content="Impala 2.8.x"><meta name="version" content="Impala 2.8.x"><meta name="DC.Format" content="XHTML"><meta name="DC.Identifier" content="impala_kudu"><link rel="stylesheet" type="text/css" href="../commonltr.css"><title>Using Impala to Query Kudu Tables</title></head><body id="impala_kudu"><main role="main"><article role="article" aria-labelledby="impala_kudu__kudu"> +<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="UTF-8"><meta name="copyright" content="(C) Copyright 2018"><meta name="DC.rights.owner" content="(C) Copyright 2018"><meta name="DC.Type" content="concept"><meta name="prodname" content="Impala"><meta name="prodname" content="Impala"><meta name="version" content="Impala 2.8.x"><meta name="version" content="Impala 2.8.x"><meta name="DC.Format" content="XHTML"><meta name="DC.Identifier" content="impala_kudu"><link rel="stylesheet" type="text/css" href="../commonltr.css"><title>Using Impala to Query Kudu Tables</title></head><body id="impala_kudu"><main role="main"><article role="article" aria-labelledby="impala_kudu__kudu"> <h1 class="title topictitle1" id="impala_kudu__kudu">Using Impala to Query Kudu Tables</h1> @@ -1385,6 +1385,23 @@ kudu.table_name | impala::some_database.table_name_demo </p> <p class="p"> + In <span class="keyword">Impala 2.11</span> and higher, Impala can push down additional + information to optimize join queries involving Kudu tables. If the join clause + contains predicates of the form + <code class="ph codeph"><var class="keyword varname">column</var> = <var class="keyword varname">expression</var></code>, + after Impala constructs a hash table of possible matching values for the + join columns from the bigger table (either an HDFS table or a Kudu table), Impala + can <span class="q">"push down"</span> the minimum and maximum matching column values to Kudu, + so that Kudu can more efficiently locate matching rows in the second (smaller) table. + These min/max filters are affected by the <code class="ph codeph">RUNTIME_FILTER_MODE</code>, + <code class="ph codeph">RUNTIME_FILTER_WAIT_TIME_MS</code>, and <code class="ph codeph">DISABLE_ROW_RUNTIME_FILTERING</code> + query options; the min/max filters are not affected by the + <code class="ph codeph">RUNTIME_BLOOM_FILTER_SIZE</code>, <code class="ph codeph">RUNTIME_FILTER_MIN_SIZE</code>, + <code class="ph codeph">RUNTIME_FILTER_MAX_SIZE</code>, and <code class="ph codeph">MAX_NUM_RUNTIME_FILTERS</code> + query options. + </p> + + <p class="p"> See <a class="xref" href="impala_explain.html">EXPLAIN Statement</a> for examples of evaluating the effectiveness of the predicate pushdown for a specific query against a Kudu table. </p> http://git-wip-us.apache.org/repos/asf/impala/blob/8d3215b0/docs/build/html/topics/impala_langref.html ---------------------------------------------------------------------- diff --git a/docs/build/html/topics/impala_langref.html b/docs/build/html/topics/impala_langref.html index b7f8546..3d82b79 100644 --- a/docs/build/html/topics/impala_langref.html +++ b/docs/build/html/topics/impala_langref.html @@ -1,6 +1,6 @@ <!DOCTYPE html SYSTEM "about:legacy-compat"> -<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="UTF-8"><meta name="copyright" content="(C) Copyright 2017"><meta name="DC.rights.owner" content="(C) Copyright 2017"><meta name="DC.Type" content="concept"><meta name="DC.Relation" scheme="URI" content="../topics/impala_comments.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_datatypes.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_literals.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_operators.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_schema_objects.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_langref_sql.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_functions.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_langref_unsupported.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_porting.html"><met a name="prodname" content="Impala"><meta name="prodname" content="Impala"><meta name="version" content="Impala 2.8.x"><meta name="version" content="Impala 2.8.x"><meta name="DC.Format" content="XHTML"><meta name="DC.Identifier" content="langref"><link rel="stylesheet" type="text/css" href="../commonltr.css"><title>Impala SQL Language Reference</title></head><body id="langref"><main role="main"><article role="article" aria-labelledby="ariaid-title1"> +<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="UTF-8"><meta name="copyright" content="(C) Copyright 2018"><meta name="DC.rights.owner" content="(C) Copyright 2018"><meta name="DC.Type" content="concept"><meta name="DC.Relation" scheme="URI" content="../topics/impala_comments.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_datatypes.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_literals.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_operators.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_schema_objects.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_langref_sql.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_functions.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_langref_unsupported.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_porting.html"><met a name="prodname" content="Impala"><meta name="prodname" content="Impala"><meta name="version" content="Impala 2.8.x"><meta name="version" content="Impala 2.8.x"><meta name="DC.Format" content="XHTML"><meta name="DC.Identifier" content="langref"><link rel="stylesheet" type="text/css" href="../commonltr.css"><title>Impala SQL Language Reference</title></head><body id="langref"><main role="main"><article role="article" aria-labelledby="ariaid-title1"> <h1 class="title topictitle1" id="ariaid-title1">Impala SQL Language Reference</h1> http://git-wip-us.apache.org/repos/asf/impala/blob/8d3215b0/docs/build/html/topics/impala_langref_sql.html ---------------------------------------------------------------------- diff --git a/docs/build/html/topics/impala_langref_sql.html b/docs/build/html/topics/impala_langref_sql.html index 9d6d33d..d0f40e0 100644 --- a/docs/build/html/topics/impala_langref_sql.html +++ b/docs/build/html/topics/impala_langref_sql.html @@ -1,6 +1,6 @@ <!DOCTYPE html SYSTEM "about:legacy-compat"> -<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="UTF-8"><meta name="copyright" content="(C) Copyright 2017"><meta name="DC.rights.owner" content="(C) Copyright 2017"><meta name="DC.Type" content="concept"><meta name="DC.Relation" scheme="URI" content="../topics/impala_langref.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_ddl.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_dml.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_alter_table.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_alter_view.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_compute_stats.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_create_database.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_create_function.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_create_role.html"><meta name ="DC.Relation" scheme="URI" content="../topics/impala_create_table.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_create_view.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_delete.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_describe.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_drop_database.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_drop_function.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_drop_role.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_drop_stats.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_drop_table.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_drop_view.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_explain.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_grant.html"><meta name="DC.Relation" scheme="URI" cont ent="../topics/impala_insert.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_invalidate_metadata.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_load_data.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_refresh.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_revoke.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_select.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_set.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_show.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_truncate_table.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_update.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_upsert.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_use.html"><meta name="prodname" content="Impala"><meta name="prodname" content="Impala"><meta name="version" content="Impala 2.8.x"><meta name="version" content="Impala 2.8.x"><meta name="DC.Format" content="XHTML"><meta name="DC.Identifier" content="langref_sql"><link rel="stylesheet" type="text/css" href="../commonltr.css"><title>Impala SQL Statements</title></head><body id="langref_sql"><main role="main"><article role="article" aria-labelledby="ariaid-title1"> +<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="UTF-8"><meta name="copyright" content="(C) Copyright 2018"><meta name="DC.rights.owner" content="(C) Copyright 2018"><meta name="DC.Type" content="concept"><meta name="DC.Relation" scheme="URI" content="../topics/impala_langref.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_ddl.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_dml.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_alter_table.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_alter_view.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_compute_stats.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_create_database.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_create_function.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_create_role.html"><meta name ="DC.Relation" scheme="URI" content="../topics/impala_create_table.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_create_view.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_delete.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_describe.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_drop_database.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_drop_function.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_drop_role.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_drop_stats.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_drop_table.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_drop_view.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_explain.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_grant.html"><meta name="DC.Relation" scheme="URI" cont ent="../topics/impala_insert.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_invalidate_metadata.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_load_data.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_refresh.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_revoke.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_select.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_set.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_show.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_truncate_table.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_update.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_upsert.html"><meta name="DC.Relation" scheme="URI" content="../topics/impala_use.html"><meta name="prodname" content="Impala"><meta name="prodname" content="Impala"><meta name="version" content="Impala 2.8.x"><meta name="version" content="Impala 2.8.x"><meta name="DC.Format" content="XHTML"><meta name="DC.Identifier" content="langref_sql"><link rel="stylesheet" type="text/css" href="../commonltr.css"><title>Impala SQL Statements</title></head><body id="langref_sql"><main role="main"><article role="article" aria-labelledby="ariaid-title1"> <h1 class="title topictitle1" id="ariaid-title1">Impala SQL Statements</h1> http://git-wip-us.apache.org/repos/asf/impala/blob/8d3215b0/docs/build/html/topics/impala_langref_unsupported.html ---------------------------------------------------------------------- diff --git a/docs/build/html/topics/impala_langref_unsupported.html b/docs/build/html/topics/impala_langref_unsupported.html index 66a4b19..c99b7bc 100644 --- a/docs/build/html/topics/impala_langref_unsupported.html +++ b/docs/build/html/topics/impala_langref_unsupported.html @@ -1,6 +1,6 @@ <!DOCTYPE html SYSTEM "about:legacy-compat"> -<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="UTF-8"><meta name="copyright" content="(C) Copyright 2017"><meta name="DC.rights.owner" content="(C) Copyright 2017"><meta name="DC.Type" content="concept"><meta name="DC.Relation" scheme="URI" content="../topics/impala_langref.html"><meta name="prodname" content="Impala"><meta name="prodname" content="Impala"><meta name="version" content="Impala 2.8.x"><meta name="version" content="Impala 2.8.x"><meta name="DC.Format" content="XHTML"><meta name="DC.Identifier" content="langref_hiveql_delta"><link rel="stylesheet" type="text/css" href="../commonltr.css"><title>SQL Differences Between Impala and Hive</title></head><body id="langref_hiveql_delta"><main role="main"><article role="article" aria-labelledby="ariaid-title1"> +<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="UTF-8"><meta name="copyright" content="(C) Copyright 2018"><meta name="DC.rights.owner" content="(C) Copyright 2018"><meta name="DC.Type" content="concept"><meta name="DC.Relation" scheme="URI" content="../topics/impala_langref.html"><meta name="prodname" content="Impala"><meta name="prodname" content="Impala"><meta name="version" content="Impala 2.8.x"><meta name="version" content="Impala 2.8.x"><meta name="DC.Format" content="XHTML"><meta name="DC.Identifier" content="langref_hiveql_delta"><link rel="stylesheet" type="text/css" href="../commonltr.css"><title>SQL Differences Between Impala and Hive</title></head><body id="langref_hiveql_delta"><main role="main"><article role="article" aria-labelledby="ariaid-title1"> <h1 class="title topictitle1" id="ariaid-title1">SQL Differences Between Impala and Hive</h1> @@ -196,7 +196,7 @@ </p> <p class="p"> - Impala utilizes the <a class="xref" href="http://sentry.incubator.apache.org/"; target="_blank">Apache + Impala utilizes the <a class="xref" href="http://sentry.apache.org/"; target="_blank">Apache Sentry </a> authorization framework, which provides fine-grained role-based access control to protect data against unauthorized access or tampering. </p> http://git-wip-us.apache.org/repos/asf/impala/blob/8d3215b0/docs/build/html/topics/impala_ldap.html ---------------------------------------------------------------------- diff --git a/docs/build/html/topics/impala_ldap.html b/docs/build/html/topics/impala_ldap.html index e4aaf52..50c2147 100644 --- a/docs/build/html/topics/impala_ldap.html +++ b/docs/build/html/topics/impala_ldap.html @@ -1,6 +1,6 @@ <!DOCTYPE html SYSTEM "about:legacy-compat"> -<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="UTF-8"><meta name="copyright" content="(C) Copyright 2017"><meta name="DC.rights.owner" content="(C) Copyright 2017"><meta name="DC.Type" content="concept"><meta name="DC.Relation" scheme="URI" content="../topics/impala_authentication.html"><meta name="prodname" content="Impala"><meta name="prodname" content="Impala"><meta name="version" content="Impala 2.8.x"><meta name="version" content="Impala 2.8.x"><meta name="DC.Format" content="XHTML"><meta name="DC.Identifier" content="ldap"><link rel="stylesheet" type="text/css" href="../commonltr.css"><title>Enabling LDAP Authentication for Impala</title></head><body id="ldap"><main role="main"><article role="article" aria-labelledby="ariaid-title1"> +<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="UTF-8"><meta name="copyright" content="(C) Copyright 2018"><meta name="DC.rights.owner" content="(C) Copyright 2018"><meta name="DC.Type" content="concept"><meta name="DC.Relation" scheme="URI" content="../topics/impala_authentication.html"><meta name="prodname" content="Impala"><meta name="prodname" content="Impala"><meta name="version" content="Impala 2.8.x"><meta name="version" content="Impala 2.8.x"><meta name="DC.Format" content="XHTML"><meta name="DC.Identifier" content="ldap"><link rel="stylesheet" type="text/css" href="../commonltr.css"><title>Enabling LDAP Authentication for Impala</title></head><body id="ldap"><main role="main"><article role="article" aria-labelledby="ariaid-title1"> <h1 class="title topictitle1" id="ariaid-title1">Enabling LDAP Authentication for Impala</h1> http://git-wip-us.apache.org/repos/asf/impala/blob/8d3215b0/docs/build/html/topics/impala_limit.html ---------------------------------------------------------------------- diff --git a/docs/build/html/topics/impala_limit.html b/docs/build/html/topics/impala_limit.html index a4e94d0..6517bab 100644 --- a/docs/build/html/topics/impala_limit.html +++ b/docs/build/html/topics/impala_limit.html @@ -1,6 +1,6 @@ <!DOCTYPE html SYSTEM "about:legacy-compat"> -<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="UTF-8"><meta name="copyright" content="(C) Copyright 2017"><meta name="DC.rights.owner" content="(C) Copyright 2017"><meta name="DC.Type" content="concept"><meta name="DC.Relation" scheme="URI" content="../topics/impala_select.html"><meta name="prodname" content="Impala"><meta name="prodname" content="Impala"><meta name="version" content="Impala 2.8.x"><meta name="version" content="Impala 2.8.x"><meta name="DC.Format" content="XHTML"><meta name="DC.Identifier" content="limit"><link rel="stylesheet" type="text/css" href="../commonltr.css"><title>LIMIT Clause</title></head><body id="limit"><main role="main"><article role="article" aria-labelledby="ariaid-title1"> +<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="UTF-8"><meta name="copyright" content="(C) Copyright 2018"><meta name="DC.rights.owner" content="(C) Copyright 2018"><meta name="DC.Type" content="concept"><meta name="DC.Relation" scheme="URI" content="../topics/impala_select.html"><meta name="prodname" content="Impala"><meta name="prodname" content="Impala"><meta name="version" content="Impala 2.8.x"><meta name="version" content="Impala 2.8.x"><meta name="DC.Format" content="XHTML"><meta name="DC.Identifier" content="limit"><link rel="stylesheet" type="text/css" href="../commonltr.css"><title>LIMIT Clause</title></head><body id="limit"><main role="main"><article role="article" aria-labelledby="ariaid-title1"> <h1 class="title topictitle1" id="ariaid-title1">LIMIT Clause</h1> http://git-wip-us.apache.org/repos/asf/impala/blob/8d3215b0/docs/build/html/topics/impala_lineage.html ---------------------------------------------------------------------- diff --git a/docs/build/html/topics/impala_lineage.html b/docs/build/html/topics/impala_lineage.html index c3581e5..8ef641c 100644 --- a/docs/build/html/topics/impala_lineage.html +++ b/docs/build/html/topics/impala_lineage.html @@ -1,6 +1,6 @@ <!DOCTYPE html SYSTEM "about:legacy-compat"> -<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="UTF-8"><meta name="copyright" content="(C) Copyright 2017"><meta name="DC.rights.owner" content="(C) Copyright 2017"><meta name="DC.Type" content="concept"><meta name="DC.Relation" scheme="URI" content="../topics/impala_security.html"><meta name="prodname" content="Impala"><meta name="prodname" content="Impala"><meta name="version" content="Impala 2.8.x"><meta name="version" content="Impala 2.8.x"><meta name="DC.Format" content="XHTML"><meta name="DC.Identifier" content="lineage"><link rel="stylesheet" type="text/css" href="../commonltr.css"><title>Viewing Lineage Information for Impala Data</title></head><body id="lineage"><main role="main"><article role="article" aria-labelledby="ariaid-title1"> +<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="UTF-8"><meta name="copyright" content="(C) Copyright 2018"><meta name="DC.rights.owner" content="(C) Copyright 2018"><meta name="DC.Type" content="concept"><meta name="DC.Relation" scheme="URI" content="../topics/impala_security.html"><meta name="prodname" content="Impala"><meta name="prodname" content="Impala"><meta name="version" content="Impala 2.8.x"><meta name="version" content="Impala 2.8.x"><meta name="DC.Format" content="XHTML"><meta name="DC.Identifier" content="lineage"><link rel="stylesheet" type="text/css" href="../commonltr.css"><title>Viewing Lineage Information for Impala Data</title></head><body id="lineage"><main role="main"><article role="article" aria-labelledby="ariaid-title1"> <h1 class="title topictitle1" id="ariaid-title1">Viewing Lineage Information for Impala Data</h1> http://git-wip-us.apache.org/repos/asf/impala/blob/8d3215b0/docs/build/html/topics/impala_literals.html ---------------------------------------------------------------------- diff --git a/docs/build/html/topics/impala_literals.html b/docs/build/html/topics/impala_literals.html index 8f94511..d4d47c8 100644 --- a/docs/build/html/topics/impala_literals.html +++ b/docs/build/html/topics/impala_literals.html @@ -1,6 +1,6 @@ <!DOCTYPE html SYSTEM "about:legacy-compat"> -<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="UTF-8"><meta name="copyright" content="(C) Copyright 2017"><meta name="DC.rights.owner" content="(C) Copyright 2017"><meta name="DC.Type" content="concept"><meta name="DC.Relation" scheme="URI" content="../topics/impala_langref.html"><meta name="prodname" content="Impala"><meta name="prodname" content="Impala"><meta name="version" content="Impala 2.8.x"><meta name="version" content="Impala 2.8.x"><meta name="DC.Format" content="XHTML"><meta name="DC.Identifier" content="literals"><link rel="stylesheet" type="text/css" href="../commonltr.css"><title>Literals</title></head><body id="literals"><main role="main"><article role="article" aria-labelledby="ariaid-title1"> +<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="UTF-8"><meta name="copyright" content="(C) Copyright 2018"><meta name="DC.rights.owner" content="(C) Copyright 2018"><meta name="DC.Type" content="concept"><meta name="DC.Relation" scheme="URI" content="../topics/impala_langref.html"><meta name="prodname" content="Impala"><meta name="prodname" content="Impala"><meta name="version" content="Impala 2.8.x"><meta name="version" content="Impala 2.8.x"><meta name="DC.Format" content="XHTML"><meta name="DC.Identifier" content="literals"><link rel="stylesheet" type="text/css" href="../commonltr.css"><title>Literals</title></head><body id="literals"><main role="main"><article role="article" aria-labelledby="ariaid-title1"> <h1 class="title topictitle1" id="ariaid-title1">Literals</h1> http://git-wip-us.apache.org/repos/asf/impala/blob/8d3215b0/docs/build/html/topics/impala_live_progress.html ---------------------------------------------------------------------- diff --git a/docs/build/html/topics/impala_live_progress.html b/docs/build/html/topics/impala_live_progress.html index 40d6631..2717aa5 100644 --- a/docs/build/html/topics/impala_live_progress.html +++ b/docs/build/html/topics/impala_live_progress.html @@ -1,6 +1,6 @@ <!DOCTYPE html SYSTEM "about:legacy-compat"> -<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="UTF-8"><meta name="copyright" content="(C) Copyright 2017"><meta name="DC.rights.owner" content="(C) Copyright 2017"><meta name="DC.Type" content="concept"><meta name="DC.Relation" scheme="URI" content="../topics/impala_query_options.html"><meta name="prodname" content="Impala"><meta name="prodname" content="Impala"><meta name="version" content="Impala 2.8.x"><meta name="version" content="Impala 2.8.x"><meta name="DC.Format" content="XHTML"><meta name="DC.Identifier" content="live_progress"><link rel="stylesheet" type="text/css" href="../commonltr.css"><title>LIVE_PROGRESS Query Option (Impala 2.3 or higher only)</title></head><body id="live_progress"><main role="main"><article role="article" aria-labelledby="ariaid-title1"> +<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="UTF-8"><meta name="copyright" content="(C) Copyright 2018"><meta name="DC.rights.owner" content="(C) Copyright 2018"><meta name="DC.Type" content="concept"><meta name="DC.Relation" scheme="URI" content="../topics/impala_query_options.html"><meta name="prodname" content="Impala"><meta name="prodname" content="Impala"><meta name="version" content="Impala 2.8.x"><meta name="version" content="Impala 2.8.x"><meta name="DC.Format" content="XHTML"><meta name="DC.Identifier" content="live_progress"><link rel="stylesheet" type="text/css" href="../commonltr.css"><title>LIVE_PROGRESS Query Option (Impala 2.3 or higher only)</title></head><body id="live_progress"><main role="main"><article role="article" aria-labelledby="ariaid-title1"> <h1 class="title topictitle1" id="ariaid-title1">LIVE_PROGRESS Query Option (<span class="keyword">Impala 2.3</span> or higher only)</h1> http://git-wip-us.apache.org/repos/asf/impala/blob/8d3215b0/docs/build/html/topics/impala_live_summary.html ---------------------------------------------------------------------- diff --git a/docs/build/html/topics/impala_live_summary.html b/docs/build/html/topics/impala_live_summary.html index cb41693..d543a7e 100644 --- a/docs/build/html/topics/impala_live_summary.html +++ b/docs/build/html/topics/impala_live_summary.html @@ -1,6 +1,6 @@ <!DOCTYPE html SYSTEM "about:legacy-compat"> -<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="UTF-8"><meta name="copyright" content="(C) Copyright 2017"><meta name="DC.rights.owner" content="(C) Copyright 2017"><meta name="DC.Type" content="concept"><meta name="DC.Relation" scheme="URI" content="../topics/impala_query_options.html"><meta name="prodname" content="Impala"><meta name="prodname" content="Impala"><meta name="version" content="Impala 2.8.x"><meta name="version" content="Impala 2.8.x"><meta name="DC.Format" content="XHTML"><meta name="DC.Identifier" content="live_summary"><link rel="stylesheet" type="text/css" href="../commonltr.css"><title>LIVE_SUMMARY Query Option (Impala 2.3 or higher only)</title></head><body id="live_summary"><main role="main"><article role="article" aria-labelledby="ariaid-title1"> +<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="UTF-8"><meta name="copyright" content="(C) Copyright 2018"><meta name="DC.rights.owner" content="(C) Copyright 2018"><meta name="DC.Type" content="concept"><meta name="DC.Relation" scheme="URI" content="../topics/impala_query_options.html"><meta name="prodname" content="Impala"><meta name="prodname" content="Impala"><meta name="version" content="Impala 2.8.x"><meta name="version" content="Impala 2.8.x"><meta name="DC.Format" content="XHTML"><meta name="DC.Identifier" content="live_summary"><link rel="stylesheet" type="text/css" href="../commonltr.css"><title>LIVE_SUMMARY Query Option (Impala 2.3 or higher only)</title></head><body id="live_summary"><main role="main"><article role="article" aria-labelledby="ariaid-title1"> <h1 class="title topictitle1" id="ariaid-title1">LIVE_SUMMARY Query Option (<span class="keyword">Impala 2.3</span> or higher only)</h1> http://git-wip-us.apache.org/repos/asf/impala/blob/8d3215b0/docs/build/html/topics/impala_load_data.html ---------------------------------------------------------------------- diff --git a/docs/build/html/topics/impala_load_data.html b/docs/build/html/topics/impala_load_data.html index b6ae3ec..ec8cbf8 100644 --- a/docs/build/html/topics/impala_load_data.html +++ b/docs/build/html/topics/impala_load_data.html @@ -1,6 +1,6 @@ <!DOCTYPE html SYSTEM "about:legacy-compat"> -<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="UTF-8"><meta name="copyright" content="(C) Copyright 2017"><meta name="DC.rights.owner" content="(C) Copyright 2017"><meta name="DC.Type" content="concept"><meta name="DC.Relation" scheme="URI" content="../topics/impala_langref_sql.html"><meta name="prodname" content="Impala"><meta name="prodname" content="Impala"><meta name="version" content="Impala 2.8.x"><meta name="version" content="Impala 2.8.x"><meta name="DC.Format" content="XHTML"><meta name="DC.Identifier" content="load_data"><link rel="stylesheet" type="text/css" href="../commonltr.css"><title>LOAD DATA Statement</title></head><body id="load_data"><main role="main"><article role="article" aria-labelledby="ariaid-title1"> +<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="UTF-8"><meta name="copyright" content="(C) Copyright 2018"><meta name="DC.rights.owner" content="(C) Copyright 2018"><meta name="DC.Type" content="concept"><meta name="DC.Relation" scheme="URI" content="../topics/impala_langref_sql.html"><meta name="prodname" content="Impala"><meta name="prodname" content="Impala"><meta name="version" content="Impala 2.8.x"><meta name="version" content="Impala 2.8.x"><meta name="DC.Format" content="XHTML"><meta name="DC.Identifier" content="load_data"><link rel="stylesheet" type="text/css" href="../commonltr.css"><title>LOAD DATA Statement</title></head><body id="load_data"><main role="main"><article role="article" aria-labelledby="ariaid-title1"> <h1 class="title topictitle1" id="ariaid-title1">LOAD DATA Statement</h1>
