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From Anastasia Braginsky <>
Subject Re: Review Request 51785: [HBASE-16608] Merge for the segments in the compaction pipeline and simplifying the user interface for in-memory flush
Date Thu, 15 Sep 2016 12:03:30 GMT

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(Updated Sept. 15, 2016, 12:03 p.m.)

Review request for mesos.

Repository: hbase-git


This is a step toward final compacting memstore that allowes two modes of work: index-compaction
and data-compaction. 

The index-compaction means that when the new segment is pushed into the pipeline, it is flattened
and probably merged with old segments in the pipeline. The new merge "feature" induces no
data-copy-compaction and no speculative SQM scan. 
The compacting memstore of the data-compaction type means the usage of the data-copy-compaction.

Diffs (updated)

  src/ 2dd7913a1477f3c3560be4e2c1450b93fb3afc78 
  src/launcher/default_executor.cpp PRE-CREATION 




Anastasia Braginsky

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