Persist memstoreTS to disk
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Key: HBASE-4344
URL: https://issues.apache.org/jira/browse/HBASE-4344
Project: HBase
Issue Type: Sub-task
Reporter: Amitanand Aiyer
Atomicity can be achieved in two ways -- (i) by using a multiversion
concurrency system (MVCC), or (ii) by ensuring that "new" writes do not
complete, until the "old" reads complete.
Currently, Memstore uses something along the lines of MVCC (called RWCC for
read-write-consistency-control). But, this mechanism is not incorporated for
the key-values written to the disk, as they do not include the memstore TS.
Let us make the two approaches be similar, by persisting the memstoreTS along
with the key-value when it is written to the disk.
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