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From "Francis Liu (JIRA)" <j...@apache.org>
Subject [jira] (HBASE-17101) FavoredNodes should not apply to system tables
Date Tue, 31 Jan 2017 18:59:52 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15847310#comment-15847310

Francis Liu commented on HBASE-17101:

Committed to master. Thanks Thiruvel.

> FavoredNodes should not apply to system tables
> ----------------------------------------------
>                 Key: HBASE-17101
>                 URL: https://issues.apache.org/jira/browse/HBASE-17101
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Thiruvel Thirumoolan
>            Assignee: Thiruvel Thirumoolan
>             Fix For: 2.0.0
>         Attachments: HBASE-17101.master.001.patch, HBASE-17101.master.002.patch, HBASE-17101.master.003.patch,
HBASE-17101.master.004.patch, HBASE_17101_rough_draft.patch
> As described in the doc (see HBASE-15531), we would like to start with user tables for
favored nodes. This task ensures FN does not apply to system tables.
> System tables are in memory and won't benefit from favored nodes. Since we also maintain
FN information for user regions in meta, it helps to keep implementation simpler by ignoring
system tables for the first iterations.

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