ICVs across /during a flush can cause multiple keys with the same TS (bad)
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Key: HBASE-1703
URL: https://issues.apache.org/jira/browse/HBASE-1703
Project: Hadoop HBase
Issue Type: Bug
Affects Versions: 0.20.0
Reporter: ryan rawson
Priority: Critical
Fix For: 0.20.0
We noticed a bug whereby the value in a hbase ICV'ed counter was lower, and the
bug turned out to be that during a flush, the ICV will grab the KeyValue from
'memcache' and reuse the timestamp... if we grab the KeyValue from the
_snapshot_ we end up with 2 key values, one in memcache, one in a hfile, both
with the same timestamp, but one with a lower value than the other.
The fix is to not reuse timestamps if they come out of the snapshot.
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