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Posted to issues@activemq.apache.org by "ASF subversion and git services (JIRA)" <ji...@apache.org> on 2019/03/07 16:35:00 UTC
[jira] [Commented] (ARTEMIS-1977) ASYNCIO can reduce sys-calls to
retrieve I/O events
[ https://issues.apache.org/jira/browse/ARTEMIS-1977?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16786960#comment-16786960 ]
ASF subversion and git services commented on ARTEMIS-1977:
----------------------------------------------------------
Commit 061fb2787e62c5f23239e1c54c8b088b5e09cbe4 in activemq-artemis's branch refs/heads/master from Clebert Suconic
[ https://gitbox.apache.org/repos/asf?p=activemq-artemis.git;h=061fb27 ]
ARTEMIS-1977 Stripping activemq-artemis as a separated proejct
> ASYNCIO can reduce sys-calls to retrieve I/O events
> ---------------------------------------------------
>
> Key: ARTEMIS-1977
> URL: https://issues.apache.org/jira/browse/ARTEMIS-1977
> Project: ActiveMQ Artemis
> Issue Type: Improvement
> Components: ActiveMQ-Artemis-Native
> Affects Versions: 2.6.2
> Reporter: Francesco Nigro
> Assignee: Francesco Nigro
> Priority: Minor
> Fix For: 2.7.0, native-1.0.0
>
> Time Spent: 6h 10m
> Remaining Estimate: 0h
>
> On LibAIO is possible to retrieve the I/O completion events without
> using io_getevents sys-calls by reading the user-space ring buffer used by the
> kernel to store them.
> This is already beneficial for very fast disks and necessary for further improvements
> of ASYNCIO Journal to leverage (very) fast low-latency disks by going completly
> lock-free.
>
>
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