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https://issues.apache.org/jira/browse/HBASE-18786?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16161682#comment-16161682
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Andrew Purtell commented on HBASE-18786:
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bq. hbase.hregion.unassign.for.fnfe
IMHO, this is not something that should be parameterized. We either do it or we
don't. Otherwise it becomes an obscure setting that could lead to serious
conditions if an operator changes it to the non-default value, which we know
won't be well tested.
> 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
> Fix For: 1.3.2
>
>
> 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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