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Posted to issues@hbase.apache.org by "Phil Yang (JIRA)" <ji...@apache.org> on 2017/02/04 06:11:52 UTC

[jira] [Commented] (HBASE-15995) Separate replication WAL reading from shipping

    [ https://issues.apache.org/jira/browse/HBASE-15995?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15852622#comment-15852622 ] 

Phil Yang commented on HBASE-15995:
-----------------------------------

Sorry for late, +1 on the latest patch.

> Separate replication WAL reading from shipping
> ----------------------------------------------
>
>                 Key: HBASE-15995
>                 URL: https://issues.apache.org/jira/browse/HBASE-15995
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Replication
>    Affects Versions: 2.0.0
>            Reporter: Vincent Poon
>            Assignee: Vincent Poon
>             Fix For: 2.0.0
>
>         Attachments: HBASE-15995.master.v1.patch, HBASE-15995.master.v2.patch, HBASE-15995.master.v3.patch, HBASE-15995.master.v4.patch, HBASE-15995.master.v6.patch, replicationV1_100ms_delay.png, replicationV2_100ms_delay.png
>
>
> Currently ReplicationSource reads edits from the WAL and ships them in the same thread.
> By breaking out the reading from the shipping, we can introduce greater parallelism and lay the foundation for further refactoring to a pipelined, streaming model.



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