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Hive QA commented on HIVE-23468: -------------------------------- Here are the results of testing the latest attachment: https://issues.apache.org/jira/secure/attachment/13004208/HIVE-23468.9.patch {color:red}ERROR:{color} -1 due to no test(s) being added or modified. {color:green}SUCCESS:{color} +1 due to 17289 tests passed Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/22665/testReport Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/22665/console Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-22665/ Messages: {noformat} Executing org.apache.hive.ptest.execution.TestCheckPhase Executing org.apache.hive.ptest.execution.PrepPhase Executing org.apache.hive.ptest.execution.YetusPhase Executing org.apache.hive.ptest.execution.ExecutionPhase Executing org.apache.hive.ptest.execution.ReportingPhase {noformat} This message is automatically generated. ATTACHMENT ID: 13004208 - PreCommit-HIVE-Build > LLAP: Optimise OrcEncodedDataReader to avoid FS init to NN > ---------------------------------------------------------- > > Key: HIVE-23468 > URL: https://issues.apache.org/jira/browse/HIVE-23468 > Project: Hive > Issue Type: Improvement > Reporter: Rajesh Balamohan > Assignee: Rajesh Balamohan > Priority: Minor > Attachments: HIVE-23468.1.patch, HIVE-23468.2.patch, > HIVE-23468.3.patch, HIVE-23468.4.patch, HIVE-23468.5.patch, > HIVE-23468.6.patch, HIVE-23468.7.patch, HIVE-23468.8.patch, HIVE-23468.9.patch > > > OrcEncodedDataReader materializes the supplier<fs> to check if it is a HDFS > system or not. This causes unwanted call to NN even in cases when cache is > completely warmed up. > [https://github.com/apache/hive/blob/master/llap-server/src/java/org/apache/hadoop/hive/llap/io/encoded/OrcEncodedDataReader.java#L540] > [https://github.com/apache/hive/blob/9f40d7cc1d889aa3079f3f494cf810fabe326e44/ql/src/java/org/apache/hadoop/hive/ql/io/HdfsUtils.java#L107] > Workaround is to set "hive.llap.io.use.fileid.path=false" to avoid this case. > IO elevator could get 100% cache hit from FileSystem impl in warmed up > scenario. -- This message was sent by Atlassian Jira (v8.3.4#803005)