[jira] [Updated] (HBASE-4684) REST server is leaking ZK connections in 0.90

["Andrew Purtell (Updated) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-4684?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Purtell updated HBASE-4684:
----------------------------------

    Attachment: HBASE-4684-v2-0.90.patch

Attached patch v2 that shares a single HBA for all needs.

{quote}
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.
{quote}

HBASE-4508 backported changes to make HBA and others closeable from HBASE-3777.

                
> 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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