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https://issues.apache.org/jira/browse/HBASE-21246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16646943#comment-16646943
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stack commented on HBASE-21246:
-------------------------------
bq. You have a suggestion?
I was commenting on the fact that we have a String (one 'key') to lookup
another 'key' (WALIdentity), not on the class naming; i.e. a key to a key to an
artifact seems like a tier too many.
I can create a WALIdentity and it has no associated WAL instance? So we'd build
handling for case where we are passed a WALIdentity with no associated WAL? So
lots of NoSuchWALIDExceptions on the API?
> 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.HBASE-20952.001.patch,
> 21246.HBASE-20952.002.patch, 21246.HBASE-20952.004.patch,
> 21246.HBASE-20952.005.patch
>
>
> 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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