Ashu Pachauri created HBASE-18398:
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Summary: Snapshot operation fails with FileNotFoundException
Key: HBASE-18398
URL: https://issues.apache.org/jira/browse/HBASE-18398
Project: HBase
Issue Type: Sub-task
Components: snapshots
Reporter: Ashu Pachauri
Failing to take snapshot due to FileNotFoundException
* FlushSnapshotSubprocedure.RegionSnapshotTask takes a region level read
lock
* Call to HRegion#addRegionToSnapshot.
* Call to SnapshotManifest#addRegion. This gets the current list of store
files.
* RACE → File is marked as compacted away and HFileArchiver moves the file
to archive under store level lock.
* SnapshotManifest#addRegion visits the stale list of store files one by
one. It does a file.getStatus() call to get length of each file. Since the file
object still points to the original file, file.getStatus() fails with
FileNotFoundException.
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