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Posted to dev@hbase.apache.org by "Anoop Sam John (JIRA)" <ji...@apache.org> on 2014/03/26 06:50:14 UTC
[jira] [Created] (HBASE-10835) DBE encode path improvements
Anoop Sam John created HBASE-10835:
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Summary: DBE encode path improvements
Key: HBASE-10835
URL: https://issues.apache.org/jira/browse/HBASE-10835
Project: HBase
Issue Type: Improvement
Reporter: Anoop Sam John
Assignee: Anoop Sam John
Fix For: 0.99.0
Here 1st we write KVs (Cells) into a buffer and then passed to DBE encoder. Encoder again reads kvs one by one from the buffer and encodes and creates a new buffer.
There is no need to have this model now. Previously we had option of no encode in disk and encode only in cache. At that time the read buffer from a HFile block was passed to this and encodes.
So encode cell by cell can be done now. Making this change will need us to have a NoOp DBE impl which just do the write of a cell as it is with out any encoding.
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