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https://issues.apache.org/jira/browse/HBASE-18786?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16199036#comment-16199036
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Andrew Purtell commented on HBASE-18786:
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Removed the 1.3 fixVersion here for now.
> FileNotFoundException should not be silently handled for primary region
> replicas
> --------------------------------------------------------------------------------
>
> Key: HBASE-18786
> URL: https://issues.apache.org/jira/browse/HBASE-18786
> Project: HBase
> Issue Type: Sub-task
> Components: regionserver, Scanners
> Reporter: Ashu Pachauri
> Assignee: Andrew Purtell
> Fix For: 2.0.0, 3.0.0, 1.4.0, 1.5.0
>
> Attachments: HBASE-18786-branch-1.3.patch,
> HBASE-18786-branch-1.patch, HBASE-18786-branch-1.patch, HBASE-18786.patch,
> HBASE-18786.patch
>
>
> This is a follow up for HBASE-18186.
> FileNotFoundException while scanning from a primary region replica can be
> indicative of a more severe problem. Handling them silently can cause many
> underlying issues go undetected. We should either
> 1. Hard fail the regionserver if there is a FNFE on a primary region replica,
> OR
> 2. Report these exceptions as some region / server level metric so that these
> can be proactively investigated.
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