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Ted Yu commented on HBASE-21246: -------------------------------- bq. Why as attachments to the issue and not integrated into design doc? Due to the size of wal-factory-providers.png , it is not suitable to be embedded in design doc. Links to these two diagrams, along with image of wal-providers.png, have been added to page 8 of design doc. > 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, > wal-factory-providers.png, wal-providers.png > > > 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. -- This message was sent by Atlassian JIRA (v7.6.3#76005)