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https://issues.apache.org/jira/browse/HBASE-17489?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15832225#comment-15832225
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stack commented on HBASE-17489:
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Tried to review. I don't have much to contribute. It is hard to follow what is
going on. The patch makes valiant effort and trying to clean up. I'd say commit
if it passes all tests. Nice fix saving an RPC per scan.
> ClientScanner may send a next request to a RegionScanner which has been
> exhausted
> ---------------------------------------------------------------------------------
>
> Key: HBASE-17489
> URL: https://issues.apache.org/jira/browse/HBASE-17489
> Project: HBase
> Issue Type: Bug
> Components: Client, scan
> Affects Versions: 2.0.0, 1.3.0, 1.4.0
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Critical
> Fix For: 2.0.0, 1.4.0, 1.3.1
>
> Attachments: HBASE-17489.patch, HBASE-17489-v1.patch,
> HBASE-17489-v2.patch, HBASE-17489-v3.patch, HBASE-17489-v4.patch,
> HBASE-17489-v4.patch
>
>
> Found it when implementing HBASE-17045. Seems the final result of the scan is
> correct but no doubt the logic is broken. We need to fix it to stop things
> get worse in the future.
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