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From "Sean Busbey (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13751) Refactoring replication WAL reading logic as WAL Iterator
Date Fri, 22 May 2015 20:28:18 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13751?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14556783#comment-14556783
] 

Sean Busbey commented on HBASE-13751:
-------------------------------------

If possible, please keep HBASE-12483 in mind while doing this so that we can avoid double
work.

> Refactoring replication WAL reading logic as WAL Iterator
> ---------------------------------------------------------
>
>                 Key: HBASE-13751
>                 URL: https://issues.apache.org/jira/browse/HBASE-13751
>             Project: HBase
>          Issue Type: Brainstorming
>            Reporter: Lars Hofhansl
>
> The current replication code is all over.
> A simple refactoring that we could consider is to factor out the part that reads from
the WALs. Could be a simple iterator interface with one addition wrinkle: The iterator needs
to be able to provide the position (file and offset) if the last read edit.
> Once we have this, we use this as a building block to many other changes in the replication
code.



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