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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-15555) Memory Management
Date Tue, 29 Mar 2016 05:39:25 GMT
stack created HBASE-15555:
-----------------------------

             Summary: Memory Management
                 Key: HBASE-15555
                 URL: https://issues.apache.org/jira/browse/HBASE-15555
             Project: HBase
          Issue Type: Umbrella
            Reporter: stack


Umbrella issue on memory management. One-stop shop to learn how we're doing it, tenets, and
work to be done

Subtasks include:

+ Map of memory allocation and recycling landscape
+ Where are we allocating when we could be recycling
+ MSLAB and G1GC don't go together?
+ Enable MSLAB pool always?
+ With offheap allocations, less GC but it runs for longer?
+ Better heuristics recycling: e.g. HBASE-15525 OutOfMemory could occur when using BoundedByteBufferPool
during RPC bursts
+ See if can do DFSClient buffer reuse: HBASE-15506 FSDataOutputStream.write() allocates new
byte buffer on each operation

What else?





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