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From "Jean-Daniel Cryans (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4684) REST server is leaking ZK connections in 0.90
Date Mon, 07 Nov 2011 15:50:51 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4684?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13145571#comment-13145571
] 

Jean-Daniel Cryans commented on HBASE-4684:
-------------------------------------------

Late +1, thanks for solving this Andrew!
                
> 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, HBASE-4684-v2-0.90.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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