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https://issues.apache.org/jira/browse/HBASE-27111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17558673#comment-17558673
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Hudson commented on HBASE-27111:
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Results for branch branch-2.5
[build #150 on
builds.a.o|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.5/150/]:
(/) *{color:green}+1 overall{color}*
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details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.5/150/General_20Nightly_20Build_20Report/]
(/) {color:green}+1 jdk8 hadoop2 checks{color}
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report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.5/150/JDK8_20Nightly_20Build_20Report_20_28Hadoop2_29/]
(/) {color:green}+1 jdk8 hadoop3 checks{color}
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(/) {color:green}+1 jdk11 hadoop3 checks{color}
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(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test{color}
> Make Netty channel bytebuf allocator configurable
> -------------------------------------------------
>
> Key: HBASE-27111
> URL: https://issues.apache.org/jira/browse/HBASE-27111
> Project: HBase
> Issue Type: Sub-task
> Affects Versions: 2.5.0
> Reporter: Andrew Kyle Purtell
> Assignee: Andrew Kyle Purtell
> Priority: Major
> Fix For: 2.5.0, 3.0.0-alpha-4
>
>
> Netty supports different strategies for allocating byte buffers for IO and
> channel modules. We do not allow the site operator to fine tune this but
> could. It would be particularly useful to allow preference of heap buffers
> where direct memory may be limited or utilized for other purposes.
> Support site configuration of the bytebuf allocator that Netty will use for
> NettyRpcServer channels. Property name is 'hbase.netty.rpcserver.allocator'.
> Default is no value, which is equivalent to "pooled". Valid values are:
> - "pooled": use PooledByteBufAllocator
> - "unpooled": use UnpooledByteBufAllocator
> - "heap": use HeapByteBufAllocator, which is a PooledByteBufAllocator that
> preferentially allocates buffers on heap wherever possible
> - <class>: If the value is none of the recognized labels, treat it as a class
> name implementing
> org.apache.hbase.thirdparty.io.netty.buffer.ByteBufAllocator. This allows the
> user to add a custom implementation, perhaps for debugging.
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