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Posted to dev@hbase.apache.org by "Andrew Kyle Purtell (Jira)" <ji...@apache.org> on 2023/02/14 21:17:00 UTC

[jira] [Created] (HBASE-27640) Optimize writes of zero length values in compressed WALs

Andrew Kyle Purtell created HBASE-27640:
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             Summary: Optimize writes of zero length values in compressed WALs
                 Key: HBASE-27640
                 URL: https://issues.apache.org/jira/browse/HBASE-27640
             Project: HBase
          Issue Type: Sub-task
            Reporter: Andrew Kyle Purtell
             Fix For: 2.6.0, 3.0.0-alpha-4


If we unconditionally use the compressor, to "write" 0 bytes, then the compression codec will emit overheads... hadoop compressionstream header, compression bitstream header. All of that should be skipped so truly no compressed value data is written when the value is empty. 



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