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From "Heng Chen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14361) ReplicationSink should create Connection instances lazily
Date Mon, 21 Sep 2015 09:18:04 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14361?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14900415#comment-14900415
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Heng Chen commented on HBASE-14361:
-----------------------------------

{quote}
Did you say that we start up two regionservers when we do standalone mode? Are there other
Connections we can get rid of? Can do in a sub issue of this one.
{quote}

Sorry for being late to see this...  I have created an issue HBASE-14455  [~stack]

> ReplicationSink should create Connection instances lazily
> ---------------------------------------------------------
>
>                 Key: HBASE-14361
>                 URL: https://issues.apache.org/jira/browse/HBASE-14361
>             Project: HBase
>          Issue Type: Task
>          Components: Replication
>            Reporter: Nick Dimiduk
>            Assignee: Heng Chen
>             Fix For: 2.0.0, 1.2.0, 1.3.0, 1.0.3, 1.1.3
>
>         Attachments: 14361.v3.txt, 14361.v3.txt, 14361.v3.txt, 14361.v3.txt, HBASE-14361-0.98.patch,
HBASE-14361.patch, HBASE-14361_v1.patch, HBASE-14361_v2.patch, hmaster.log
>
>
> Over on HBASE-12911 I have a patch that registers Connection instances with the metrics
system. In both standalone server and tll client applications, I was surprised to see multiple
connection objects showing up that are unused. These are pretty heavy objects, including lots
of client threads for the batch pool. We should track these down and remove them -- if they're
not some kind of phantom artifacts of my WIP patch over there.



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