[
https://issues.apache.org/jira/browse/ARTEMIS-1151?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16001683#comment-16001683
]
ASF subversion and git services commented on ARTEMIS-1151:
----------------------------------------------------------
Commit 25094f27217f8bd561d8d230d2624fd76f059d66 in activemq-artemis's branch
refs/heads/1.x from [[email protected]]
[ https://git-wip-us.apache.org/repos/asf?p=activemq-artemis.git;h=25094f2 ]
ARTEMIS-1151 Adapting TimedBuffer and NIO Buffer Pooling
- NIO/ASYNCIO new TimedBuffer with adapting batch window heuristic
- NIO/ASYNCIO improved TimedBuffer write monitoring with
lightweight concurrent performance counters
- NIO/ASYNCIO journal/paging operations benefit from less buffer copy
- NIO/ASYNCIO any buffer copy is always performed with raw batch copy
using SIMD instrinsics (System::arrayCopy) or memcpy under the hood
- NIO improved clear buffers using SIMD instrinsics (Arrays::fill) and/or memset
- NIO journal operation perform by default TLABs allocation pooling (off heap)
retaining only the last max sized buffer
- NIO improved file copy operations using zero-copy FileChannel::transfertTo
- NIO improved zeroing using pooled single OS page buffer to clean the file
+ pwrite (on Linux)
- NIO deterministic release of unpooled direct buffers to avoid OOM errors
due to slow GC
- Exposed OS PAGE SIZE value using Env class
(cherry picked from commit 21c9ed85cf6b9a53debdd32747bd42b2e733da80)
> Adapting TimedBuffer and NIO Buffer Pooling
> -------------------------------------------
>
> Key: ARTEMIS-1151
> URL: https://issues.apache.org/jira/browse/ARTEMIS-1151
> Project: ActiveMQ Artemis
> Issue Type: Improvement
> Components: Broker
> Reporter: Francesco Nigro
> Assignee: Francesco Nigro
> Priority: Minor
>
> This is the list of improvements:
> - NIO/ASYNCIO new TimedBuffer with adapting batch window heuristic
> - NIO/ASYNCIO improved TimedBuffer write monitoring with lightweight
> concurrent performance counters
> - NIO/ASYNCIO journal/paging operations benefit from less buffer copy
> - NIO/ASYNCIO any buffer copy is always performed with raw batch copy using
> SIMD instrinsics (System::arrayCopy) or memcpy under the hood
> - NIO improved clear buffers using SIMD instrinsics (Arrays::fill) and/or
> memset
> - NIO journal operation perform by default TLABs allocation pooling (off
> heap) retaining only the last max sized buffer
> - NIO improved file copy operations using zero-copy FileChannel::transfertTo
> - NIO improved zeroing using pooled single OS page buffer to clean the file +
> pwrite (on Linux)
> - NIO deterministic release of unpooled direct buffers to avoid OOM errors
> due to slow GC
--
This message was sent by Atlassian JIRA
(v6.3.15#6346)
