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Hive QA commented on HIVE-17417: -------------------------------- Here are the results of testing the latest attachment: https://issues.apache.org/jira/secure/attachment/12896551/HIVE-17417.6.patch {color:red}ERROR:{color} -1 due to no test(s) being added or modified. {color:red}ERROR:{color} -1 due to 12 failed/errored test(s), 11372 tests executed *Failed tests:* {noformat} org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[insert_values_orig_table_use_metadata] (batchId=62) org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[unionDistinct_1] (batchId=146) org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[sysdb] (batchId=156) org.apache.hadoop.hive.cli.TestMiniSparkOnYarnCliDriver.testCliDriver[bucketmapjoin7] (batchId=173) org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver[explainanalyze_2] (batchId=102) org.apache.hadoop.hive.cli.TestNegativeMinimrCliDriver.testCliDriver[ct_noperm_loc] (batchId=94) org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[bucketmapjoin7] (batchId=116) org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[subquery_multi] (batchId=111) org.apache.hadoop.hive.cli.TestTezPerfCliDriver.testCliDriver[query14] (batchId=243) org.apache.hadoop.hive.cli.TestTezPerfCliDriver.testCliDriver[query23] (batchId=243) org.apache.hadoop.hive.cli.control.TestDanglingQOuts.checkDanglingQOut (batchId=206) org.apache.hadoop.hive.ql.parse.TestReplicationScenarios.testConstraints (batchId=223) {noformat} Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/7694/testReport Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/7694/console Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-7694/ Messages: {noformat} Executing org.apache.hive.ptest.execution.TestCheckPhase Executing org.apache.hive.ptest.execution.PrepPhase Executing org.apache.hive.ptest.execution.ExecutionPhase Executing org.apache.hive.ptest.execution.ReportingPhase Tests exited with: TestsFailedException: 12 tests failed {noformat} This message is automatically generated. ATTACHMENT ID: 12896551 - PreCommit-HIVE-Build > LazySimple Timestamp is very expensive > -------------------------------------- > > Key: HIVE-17417 > URL: https://issues.apache.org/jira/browse/HIVE-17417 > Project: Hive > Issue Type: Bug > Components: Serializers/Deserializers > Affects Versions: 3.0.0, 2.4.0 > Reporter: Prasanth Jayachandran > Assignee: Prasanth Jayachandran > Priority: Critical > Fix For: 3.0.0 > > Attachments: HIVE-17417.1.patch, HIVE-17417.2.patch, > HIVE-17417.3.patch, HIVE-17417.4.patch, HIVE-17417.5.patch, > HIVE-17417.6.patch, date-serialize.png, timestamp-serialize.png, > ts-jmh-perf.png > > > In a specific case where a schema contains array<struct> with timestamp and > date fields (array size >10000). Any access to this column very very > expensive in terms of CPU as most of the time is serialization of timestamp > and date. Refer attached profiles. >70% time spent in serialization + > tostring conversions. -- This message was sent by Atlassian JIRA (v6.4.14#64029)