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Hive QA commented on HIVE-12790: -------------------------------- Here are the results of testing the latest attachment: https://issues.apache.org/jira/secure/attachment/12786030/HIVE-12790.3.patch {color:red}ERROR:{color} -1 due to no test(s) being added or modified. {color:red}ERROR:{color} -1 due to 2 failed/errored test(s), 10051 tests executed *Failed tests:* {noformat} org.apache.hadoop.hive.cli.TestNegativeCliDriver.testNegativeCliDriver_authorization_uri_import org.apache.hive.jdbc.TestSSL.testSSLVersion {noformat} Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/6865/testReport Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/6865/console Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-6865/ 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: 2 tests failed {noformat} This message is automatically generated. ATTACHMENT ID: 12786030 - PreCommit-HIVE-TRUNK-Build > Metastore connection leaks in HiveServer2 > ----------------------------------------- > > Key: HIVE-12790 > URL: https://issues.apache.org/jira/browse/HIVE-12790 > Project: Hive > Issue Type: Bug > Components: HiveServer2 > Affects Versions: 1.1.0 > Reporter: Naveen Gangam > Assignee: Naveen Gangam > Attachments: HIVE-12790.2.patch, HIVE-12790.3.patch, > HIVE-12790.patch, snippedLog.txt > > > HiveServer2 keeps opening new connections to HMS each time it launches a > task. These connections do not appear to be closed when the task completes > thus causing a HMS connection leak. "lsof" for the HS2 process shows > connections to port 9083. > {code} > 2015-12-03 04:20:56,352 INFO [HiveServer2-Background-Pool: Thread-424756()]: > ql.Driver (SessionState.java:printInfo(558)) - Launching Job 11 out of 41 > 2015-12-03 04:20:56,354 INFO [Thread-405728()]: hive.metastore > (HiveMetaStoreClient.java:open(311)) - Trying to connect to metastore with > URI thrift://<anonymizedURL>:9083 > 2015-12-03 04:20:56,360 INFO [Thread-405728()]: hive.metastore > (HiveMetaStoreClient.java:open(351)) - Opened a connection to metastore, > current connections: 14824 > 2015-12-03 04:20:56,360 INFO [Thread-405728()]: hive.metastore > (HiveMetaStoreClient.java:open(400)) - Connected to metastore. > .... > 2015-12-03 04:21:06,355 INFO [HiveServer2-Background-Pool: Thread-424756()]: > ql.Driver (SessionState.java:printInfo(558)) - Launching Job 12 out of 41 > 2015-12-03 04:21:06,357 INFO [Thread-405756()]: hive.metastore > (HiveMetaStoreClient.java:open(311)) - Trying to connect to metastore with > URI thrift://<anonymizedURL>:9083 > 2015-12-03 04:21:06,362 INFO [Thread-405756()]: hive.metastore > (HiveMetaStoreClient.java:open(351)) - Opened a connection to metastore, > current connections: 14825 > 2015-12-03 04:21:06,362 INFO [Thread-405756()]: hive.metastore > (HiveMetaStoreClient.java:open(400)) - Connected to metastore. > ... > 2015-12-03 04:21:08,357 INFO [HiveServer2-Background-Pool: Thread-424756()]: > ql.Driver (SessionState.java:printInfo(558)) - Launching Job 13 out of 41 > 2015-12-03 04:21:08,360 INFO [Thread-405782()]: hive.metastore > (HiveMetaStoreClient.java:open(311)) - Trying to connect to metastore with > URI thrift://<anonymizedURL>:9083 > 2015-12-03 04:21:08,364 INFO [Thread-405782()]: hive.metastore > (HiveMetaStoreClient.java:open(351)) - Opened a connection to metastore, > current connections: 14826 > 2015-12-03 04:21:08,365 INFO [Thread-405782()]: hive.metastore > (HiveMetaStoreClient.java:open(400)) - Connected to metastore. > ... > {code} > The TaskRunner thread starts a new SessionState each time, which creates a > new connection to the HMS (via Hive.get(conf).getMSC()) that is never closed. > Even SessionState.close(), currently not being called by the TaskRunner > thread, does not close this connection. > Attaching a anonymized log snippet where the number of HMS connections > reaches north of 25000+ connections. -- This message was sent by Atlassian JIRA (v6.3.4#6332)