[jira] [Updated] (HBASE-21246) Introduce WALIdentity interface

["Ted Yu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-21246?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ted Yu updated HBASE-21246:
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    Attachment: wal-splitter-writer.jpg
                wal-splitter-reader.jpg

> 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.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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