Sergey Shelukhin created HBASE-10241:
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Summary: implement mvcc-consistent scanners (across recovery)
Key: HBASE-10241
URL: https://issues.apache.org/jira/browse/HBASE-10241
Project: HBase
Issue Type: New Feature
Components: HFile, regionserver, Scanners
Affects Versions: 0.99.0
Reporter: Sergey Shelukhin
Assignee: Sergey Shelukhin
Scanners currently use mvcc for consistency. However, mvcc is lost on server
restart, or even a region move. This JIRA is to enable the scanners to transfer
mvcc (or seqId, or some other number, see HBASE-8763) between servers. First,
client scanner needs to get and store the readpoint. Second, mvcc needs to be
preserved in WAL. Third, the mvcc needs to be stored in store files per KV and
discarded when not needed.
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