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https://issues.apache.org/jira/browse/KUDU-2703?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Adar Dembo reassigned KUDU-2703:
--------------------------------
Assignee: Adar Dembo
> ITClientStress.testMultipleSessions timeout
> -------------------------------------------
>
> Key: KUDU-2703
> URL: https://issues.apache.org/jira/browse/KUDU-2703
> Project: Kudu
> Issue Type: Test
> Reporter: Hao Hao
> Assignee: Adar Dembo
> Priority: Major
> Attachments: TEST-org.apache.kudu.client.ITClientStress.xml,
> test-output.txt
>
>
> I recently encountered a timeout of ITClientStress.testMultipleSessions with
> the following errors:
> {noformat}
> 01:28:10.477 [INFO - cluster stderr printer] (MiniKuduCluster.java:543) I0219
> 01:28:10.477150 7258 mvcc.cc:203] Tried to move safe_time back from
> 6351128536717332480 to 6351128535804997632. Current Snapshot:
> MvccSnapshot[committed={T|T < 6351128536717332480}]
> 01:28:10.495 [INFO - cluster stderr printer] (MiniKuduCluster.java:543) I0219
> 01:28:10.495507 7259 mvcc.cc:203] Tried to move safe_time back from
> 6351128536717332480 to 6351128535804997632. Current Snapshot:
> MvccSnapshot[committed={T|T < 6351128536717332480}]
> 01:28:11.180 [INFO - cluster stderr printer] (MiniKuduCluster.java:543) I0219
> 01:28:11.180346 7257 mvcc.cc:203] Tried to move safe_time back from
> 6351128539811692544 to 6351128535804997632. Current Snapshot:
> MvccSnapshot[committed={T|T < 6351128539811692544 or (T in
> {6351128539811692544})}]
> 01:28:19.969 [DEBUG - New I/O worker #2152] (Connection.java:429) [peer
> master-127.6.95.253:51702(127.6.95.253:51702)] encountered a read timeout;
> closing the channel
> 01:28:19.969 [DEBUG - New I/O worker #2154] (Connection.java:429) [peer
> master-127.6.95.254:34354(127.6.95.254:34354)] encountered a read timeout;
> closing the channel
> 01:28:19.969 [DEBUG - New I/O worker #2154] (Connection.java:688) [peer
> master-127.6.95.254:34354(127.6.95.254:34354)] cleaning up while in state
> READY due to: [peer master-127.6.95.254:34354(127.6.95.254:34354)]
> encountered a read timeout; closing the channel
> 01:28:19.969 [DEBUG - New I/O worker #2152] (Connection.java:688) [peer
> master-127.6.95.253:51702(127.6.95.253:51702)] cleaning up while in state
> READY due to: [peer master-127.6.95.253:51702(127.6.95.253:51702)]
> encountered a read timeout; closing the channel
> 01:28:20.328 [DEBUG - New I/O worker #2153] (Connection.java:429) [peer
> master-127.6.95.252:47527(127.6.95.252:47527)] encountered a read timeout;
> closing the channel
> {noformat}
> Looking at the error, it may relate to safe time advancement. Attached the
> full log.
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