Duo Zhang created HBASE-19154:
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Summary: Scan consistency guarantee
Key: HBASE-19154
URL: https://issues.apache.org/jira/browse/HBASE-19154
Project: HBase
Issue Type: Umbrella
Components: Compaction, scan
Affects Versions: 3.0.0
Reporter: Duo Zhang
Priority: Major
For now, although we already pass mvcc back to client, and client will send
this mvcc to RS when reopening a scanner, we still can not make sure that the
region/row level consistency is safe as compaction happens after region move
but before the scanner reopen may delete some cells which mvcc are before the
mvcc given by client.
This issue aims to try our best to guarantee region level consistency, and if
not, we need to tell users we can not make it.
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