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From "Duo Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-20167) Optimize the implementation of ReplicationSourceWALReader
Date Sat, 10 Mar 2018 01:12:00 GMT

     [ https://issues.apache.org/jira/browse/HBASE-20167?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Duo Zhang updated HBASE-20167:
------------------------------
         Assignee: Duo Zhang
    Fix Version/s: 3.0.0
           Status: Patch Available  (was: Open)

> Optimize the implementation of ReplicationSourceWALReader
> ---------------------------------------------------------
>
>                 Key: HBASE-20167
>                 URL: https://issues.apache.org/jira/browse/HBASE-20167
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Replication
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>            Priority: Major
>             Fix For: 3.0.0
>
>         Attachments: HBASE-20167.patch
>
>
> After HBASE-20148, serial replication will be an option for peer. Since an instance of
ReplicationSourceWALReader can only belongs to one peer, we do not need to add the so many
'if' in the implementation of readWALEntries to check whether we should consider serial replication.
We can just make a sub class or something similiar for serial replication to make the code
clean.



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