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From "Jurriaan Mous (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-12736) Let MetaScanner recycle a given Connection
Date Tue, 23 Dec 2014 15:03:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-12736?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14257043#comment-14257043

Jurriaan Mous commented on HBASE-12736:

Newest patch has some small improvements in api calls and does the changes in TestHbaseFsck
cleaner so merge will go better when my related issue with its improvements gets committed.

> Let MetaScanner recycle a given Connection
> ------------------------------------------
>                 Key: HBASE-12736
>                 URL: https://issues.apache.org/jira/browse/HBASE-12736
>             Project: HBase
>          Issue Type: Improvement
>          Components: Client
>            Reporter: Jurriaan Mous
>            Assignee: Jurriaan Mous
>         Attachments: HBASE-12736-v1.patch, HBASE-12736-v2.patch, HBASE-12736-v3.patch,
HBASE-12736-v4.patch, HBASE-12736.patch, profile_TestMetaScanner_after_patch.png, profile_TestMetaScanner_before_patch.png
> It is very heavy to create a Connection on each meta scan. Connections create RpcClients,
RpcClients create RPC connections and all cannot be recycled.
> Tests with a lot of metascans are very heavy with the async client.
> This issue is to make anything that uses metaScans reuse the same connection.

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