Varun Sharma created HBASE-7093:
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Summary: Couple Increments/Appends with Put/Delete(s)
Key: HBASE-7093
URL: https://issues.apache.org/jira/browse/HBASE-7093
Project: HBase
Issue Type: Improvement
Affects Versions: 0.96.0
Reporter: Varun Sharma
See related issue - https://issues.apache.org/jira/browse/HBASE-4583
Currently, we cannot bundle increment/append with put/delete operations. The
above JIRA MVCC'izes the increment/append operations.
One issue is that increment(s)/append(s) are not idempotent and hence repeating
the transaction has an associated issue of leading to incorrect value/append
results. This could be solved by passing additional tokens as part of the
append(s).
One possible high level approach could be:
1) Class IncrementMutation which inherits from Increment and Mutation
2) In the mutateRow call, we add a case for "IncrementMutation" object
3) Factor out the code wrapped inside the "lock and MVCC" from increment()
function to internalIncrement.
4) Call internalIncrement from mutateRow and increment()
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