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Posted to issues@hbase.apache.org by "Anoop Sam John (JIRA)" <ji...@apache.org> on 2013/03/12 05:07:13 UTC
[jira] [Updated] (HBASE-8075) HRegion preClose hook is getting
called multiple times for single close
[ https://issues.apache.org/jira/browse/HBASE-8075?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Anoop Sam John updated HBASE-8075:
----------------------------------
Affects Version/s: (was: 0.95.0)
0.94.0
> HRegion preClose hook is getting called multiple times for single close
> -----------------------------------------------------------------------
>
> Key: HBASE-8075
> URL: https://issues.apache.org/jira/browse/HBASE-8075
> Project: HBase
> Issue Type: Bug
> Components: Coprocessors
> Affects Versions: 0.94.0
> Reporter: rajeshbabu
> Assignee: rajeshbabu
> Fix For: 0.98.0, 0.94.7
>
>
> 1) HRegionServer#closeRegion(final RpcController controller,
> final CloseRegionRequest request)
> {code}
> // Can be null if we're calling close on a region that's not online
> final HRegion region = this.getFromOnlineRegions(encodedRegionName);
> if ((region != null) && (region .getCoprocessorHost() != null)) {
> region.getCoprocessorHost().preClose(false);
> }
> {code}
> 2) HRegionServer#closeRegion(String encodedName, final boolean abort,
> final boolean zk, final int versionOfClosingNode, final ServerName sn)
> {code}
> if ((actualRegion != null) && (actualRegion.getCoprocessorHost() != null)) {
> try {
> actualRegion.getCoprocessorHost().preClose(false);
> } catch (IOException exp) {
> LOG.warn("Unable to close region: the coprocessor launched an error ", exp);
> return false;
> }
> }
> {code}
> 3) HRegion# private List<StoreFile> doClose(
> final boolean abort, MonitoredTask status)
> {code}
> if (coprocessorHost != null) {
> status.setStatus("Running coprocessor pre-close hooks");
> this.coprocessorHost.preClose(abort);
> }
> {code}
> IMO 3rd one is enough and remaining two are not needed.
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