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https://issues.apache.org/jira/browse/HBASE-15555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15215494#comment-15215494
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Vladimir Rodionov commented on HBASE-15555:
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{quote}
What else?
{quote}
HBASE-15542?
> Memory Management
> -----------------
>
> Key: HBASE-15555
> URL: https://issues.apache.org/jira/browse/HBASE-15555
> Project: HBase
> Issue Type: Umbrella
> Reporter: stack
> Attachments: download.svg
>
>
> 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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