DroppedSnapshotException but RegionServer doesn't restart
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Key: HBASE-644
URL: https://issues.apache.org/jira/browse/HBASE-644
Project: Hadoop HBase
Issue Type: Bug
Reporter: stack
Priority: Blocker
Fix For: 0.1.3, 0.2.0
RegionServer was carrying -ROOT- and having trouble writing HDFS. RegionServer
judged that a flush failed and reported a DroppedSnapshotException. Usually,
the filesystem check would fail and set all the abort flags but it in this case
filesystem somehow returned healthy and the flags were not set. The code path
shutdown the RPC only and exited then we exited the Flusher. All the rest of
the RegionServer stayed up and kept reporting the master. The master thought
it alive and kept trying to scan the unreachable -ROOT-. Cluster was hosed
until manual intervention 20 minutes later.
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