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Posted to commits@cassandra.apache.org by "Alex Liu (JIRA)" <ji...@apache.org> on 2015/12/10 02:45:10 UTC
[jira] [Updated] (CASSANDRA-10837) Cluster/session should be closed
in Cassandra Hadoop Input/Output classes
[ https://issues.apache.org/jira/browse/CASSANDRA-10837?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alex Liu updated CASSANDRA-10837:
---------------------------------
Attachment: 10837-3.0-branch.txt
> Cluster/session should be closed in Cassandra Hadoop Input/Output classes
> -------------------------------------------------------------------------
>
> Key: CASSANDRA-10837
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10837
> Project: Cassandra
> Issue Type: Bug
> Reporter: Alex Liu
> Assignee: Alex Liu
> Attachments: 10837-3.0-branch.txt
>
>
> See a lot of following warnings during Hadoop job running
> {code}
> ERROR 11:37:45 LEAK: You are creating too many HashedWheelTimer instances. HashedWheelTimer is a shared resource that must be reused across the JVM,so that only a few instances are created.
> {code}
> Each cluster/session needs be closed and a shared HashedWheelTimer may reduce the resource leakage.
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