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From "Anastasia Braginsky (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-19133) Transfer big cells or upserted/appended cells into MSLAB upon flattening to CellChunkMap
Date Tue, 31 Oct 2017 12:52:00 GMT
Anastasia Braginsky created HBASE-19133:
-------------------------------------------

             Summary: Transfer big cells or upserted/appended cells into MSLAB upon flattening
to CellChunkMap
                 Key: HBASE-19133
                 URL: https://issues.apache.org/jira/browse/HBASE-19133
             Project: HBase
          Issue Type: Sub-task
            Reporter: Anastasia Braginsky


CellChunkMap Segment index requires all cell data to be written in the MSLAB Chunks. Eventhough
MSLAB is enabled, cells bigger than chunk size or upserted/incremented/appended cells are
still allocated on the JVM stack. If such cells are found in the process of flattening into
CellChunkMap (in-memory-flush) they need to be copied into MSLAB.



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