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https://issues.apache.org/jira/browse/HIVE-16979?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16068871#comment-16068871
]
Hive QA commented on HIVE-16979:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12874981/HIVE-16979.2.patch
{color:red}ERROR:{color} -1 due to no test(s) being added or modified.
{color:red}ERROR:{color} -1 due to 8 failed/errored test(s), 10831 tests
executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[tez_smb_main]
(batchId=150)
org.apache.hadoop.hive.cli.TestPerfCliDriver.testCliDriver[query14]
(batchId=233)
org.apache.hadoop.hive.ql.parse.TestReplicationScenariosAcrossInstances.testBootstrapFunctionReplication
(batchId=217)
org.apache.hadoop.hive.ql.parse.TestReplicationScenariosAcrossInstances.testCreateFunctionIncrementalReplication
(batchId=217)
org.apache.hadoop.hive.ql.parse.TestReplicationScenariosAcrossInstances.testCreateFunctionWithFunctionBinaryJarsOnHDFS
(batchId=217)
org.apache.hive.hcatalog.api.TestHCatClient.testPartitionRegistrationWithCustomSchema
(batchId=178)
org.apache.hive.hcatalog.api.TestHCatClient.testPartitionSpecRegistrationWithCustomSchema
(batchId=178)
org.apache.hive.hcatalog.api.TestHCatClient.testTableSchemaPropagation
(batchId=178)
{noformat}
Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/5832/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/5832/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-5832/
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: 8 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12874981 - PreCommit-HIVE-Build
> Cache UGI for metastore
> -----------------------
>
> Key: HIVE-16979
> URL: https://issues.apache.org/jira/browse/HIVE-16979
> Project: Hive
> Issue Type: Improvement
> Reporter: Tao Li
> Assignee: Tao Li
> Attachments: HIVE-16979.1.patch, HIVE-16979.2.patch
>
>
> FileSystem.closeAllForUGI is called per request against metastore to dispose
> UGI, which involves talking to HDFS name node and is time consuming. So the
> perf improvement would be caching and reusing the UGI.
> Per FileSystem.closeAllForUG call could take up to 20 ms as E2E latency
> against HDFS. Usually a Hive query could result in several calls against
> metastore, so we can save up to 50-100 ms per hive query.
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