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Guozhang Wang resolved KAFKA-3619. ---------------------------------- Resolution: Fixed Fix Version/s: 0.10.0.0 Issue resolved by pull request 1267 [https://github.com/apache/kafka/pull/1267] > State lock file handle leaks > ---------------------------- > > Key: KAFKA-3619 > URL: https://issues.apache.org/jira/browse/KAFKA-3619 > Project: Kafka > Issue Type: Bug > Components: streams > Affects Versions: 0.10.0.0 > Reporter: Greg Fodor > Assignee: Greg Fodor > Priority: Critical > Fix For: 0.10.0.0 > > > The .lock files in the state store directories do not seem to be having their > file handles freed (despite the locks being freed), so on a complex job the > number of file handles in use goes up rapidly as the locks are taken for the > cleanup routine at the end of the thread run loop. Running lsof shows the > number of open filehandles on the .lock file increasing rapidly over time. In > a separate test project, I reproduced the issue and determined that in order > for the filehandle to be relinquished the FileChannel instance must be > properly closed. > PR: > https://github.com/apache/kafka/pull/1267 -- This message was sent by Atlassian JIRA (v6.3.4#6332)