Feng Honghua created HBASE-10487:
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Summary: Avoid allocating new KeyValue for appended kvs which
don't have existing(old) values
Key: HBASE-10487
URL: https://issues.apache.org/jira/browse/HBASE-10487
Project: HBase
Issue Type: Improvement
Components: regionserver
Reporter: Feng Honghua
Assignee: Feng Honghua
in HRegion.append, a new KeyValue will be allocated no matter there is existing
kv for the appended cell, we can improve here by avoiding the allocating of new
KeyValue for kv without existing value by reusing the passed-in kv and only
update its timestamp to 'now'(its original timestamp is latest, so can be
updated)
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