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https://issues.apache.org/jira/browse/HBASE-21246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16680506#comment-16680506
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Josh Elser commented on HBASE-21246:
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Keeping HBASE-21456 in mind, I think something between v21 and v23 is where we
want to call this issue "done".
We can avoid dropping all of the WALFactory methods, but I see some other fixes
too.
[~yuzhih...@gmail.com], what else was contained after this point that we would
want to keep. Can you massage this patch to keep some of the good bug fixes in
place, but avoid all of the WALFactory calls being replaced with WALProvider
calls for now?
> Introduce WALIdentity interface
> -------------------------------
>
> Key: HBASE-21246
> URL: https://issues.apache.org/jira/browse/HBASE-21246
> Project: HBase
> Issue Type: Sub-task
> Reporter: Ted Yu
> Assignee: Ted Yu
> Priority: Major
> Fix For: HBASE-20952
>
> Attachments: 21246.003.patch, 21246.20.txt, 21246.21.txt,
> 21246.23.txt, 21246.24.txt, 21246.25.txt, 21246.26.txt,
> 21246.HBASE-20952.001.patch, 21246.HBASE-20952.002.patch,
> 21246.HBASE-20952.004.patch, 21246.HBASE-20952.005.patch,
> 21246.HBASE-20952.007.patch, 21246.HBASE-20952.008.patch,
> replication-src-creates-wal-reader.jpg, wal-factory-providers.png,
> wal-providers.png, wal-splitter-reader.jpg, wal-splitter-writer.jpg
>
>
> We are introducing WALIdentity interface so that the WAL representation can
> be decoupled from distributed filesystem.
> The interface provides getName method whose return value can represent
> filename in distributed filesystem environment or, the name of the stream
> when the WAL is backed by log stream.
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