Ashu Pachauri created HBASE-18786:
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Summary: 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
Reporter: Ashu Pachauri
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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