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Posted to issues@flink.apache.org by "Stephan Ewen (Jira)" <ji...@apache.org> on 2019/11/06 20:46:00 UTC
[jira] [Closed] (FLINK-13469) Resource used by StateMapSnapshot can
not be released if snapshot fails
[ https://issues.apache.org/jira/browse/FLINK-13469?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Stephan Ewen closed FLINK-13469.
--------------------------------
> Resource used by StateMapSnapshot can not be released if snapshot fails
> -----------------------------------------------------------------------
>
> Key: FLINK-13469
> URL: https://issues.apache.org/jira/browse/FLINK-13469
> Project: Flink
> Issue Type: Bug
> Components: Runtime / State Backends
> Affects Versions: 1.9.0
> Reporter: PengFei Li
> Assignee: PengFei Li
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.10.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Currently, resource used by {{StateMapSnapshot}} is released in {{AbstractStateTableSnapshot#writeStateInKeyGroup}} as follows
> {code:java}
> public void writeStateInKeyGroup(@Nonnull DataOutputView dov, int keyGroupId) throws IOException {
> StateMapSnapshot<K, N, S, ? extends StateMap<K, N, S>> stateMapSnapshot = getStateMapSnapshotForKeyGroup(keyGroupId);
> stateMapSnapshot.writeState(localKeySerializer, localNamespaceSerializer, localStateSerializer, dov, stateSnapshotTransformer);
> stateMapSnapshot.release();
> }
> {code}
> If exception happens in {{StateMapSnapshot#writeState}}, resources used by this and left {{StateMapSnapshot}} s can not be released.
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