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https://issues.apache.org/jira/browse/HBASE-11572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14072255#comment-14072255
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Enis Soztutar commented on HBASE-11572:
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I think we will keep the ability to either do strong consistency reads and also
timeline consistency reads from any replica. This is more like an advanced
feature (main use case would still be tests) available if you want to use.
You can use this for example to partition the reads of a read-only table
between clients, or do a read-from-any, obtain the replica Id returned, then do
a subsequent read from that replica kind of use cases.
> Add support for doing get/scans against a particular replica_id
> ---------------------------------------------------------------
>
> Key: HBASE-11572
> URL: https://issues.apache.org/jira/browse/HBASE-11572
> Project: HBase
> Issue Type: Sub-task
> Reporter: Enis Soztutar
>
> We have support for doing an rpc against the primary region in get/scans and
> also new functionality for doing failover get/scan RPCs trying primary first
> then doing backup rpcs to secondaries when the first one times out.
> We can add functionality for doing get/scan against a particular replica_id
> so that we can use it in tests, or by clients in some specific situations.
> We can think about adding support for querying the replica_id from get/scan
> responses coming from failover rpcs so that the client can then issue a
> follow up request against that particular replica_id.
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