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https://issues.apache.org/jira/browse/HBASE-4684?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13141396#comment-13141396
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Andrew Purtell commented on HBASE-4684:
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bq. In its current form, the patch will need some modifications to work with
0.90 because HBA doesn't have a close method.
I'm almost positive I based this patch on the head of 0.90 branch.
bq. Instead of creating and closing HBAs, could you stick one instance in
RESTServlet instead?
Sure, np, new patch coming soon.
Thanks for looking at the patch J-D.
> REST server is leaking ZK connections in 0.90
> ---------------------------------------------
>
> Key: HBASE-4684
> URL: https://issues.apache.org/jira/browse/HBASE-4684
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.90.4
> Reporter: Jean-Daniel Cryans
> Assignee: Andrew Purtell
> Priority: Critical
> Fix For: 0.90.5
>
> Attachments: HBASE-4684-0.90.patch
>
>
> As reported a month ago, http://search-hadoop.com/m/FD6gmKzrxY1, the REST
> server is leak ZK connections. Upon investigation I see that
> TableResource.scanTransformAttrs creates a new HBA per minute per table (when
> the server is getting requests) but never deletes the connection created in
> there.
> There are a bunch of other places where HBAs are created but not cleaned
> after like SchemaResource, StorageClusterStatusResource,
> StorageClusterVersionResource, ExistsResource, etc. Those places shouldn't be
> as leaky under normal circumstances tho.
> Thanks to Jack Levin for bringing up this issue again when he tried to
> upgrade.
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