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Posted to issues@activemq.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2019/02/28 14:32:05 UTC
[jira] [Work logged] (ARTEMIS-1977) ASYNCIO can reduce sys-calls to
retrieve I/O events
[ https://issues.apache.org/jira/browse/ARTEMIS-1977?focusedWorklogId=205810&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-205810 ]
ASF GitHub Bot logged work on ARTEMIS-1977:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 28/Feb/19 14:31
Start Date: 28/Feb/19 14:31
Worklog Time Spent: 10m
Work Description: clebertsuconic commented on issue #2523: ARTEMIS-1977 ASYNCIO can reduce sys-calls to retrieve I/O events
URL: https://github.com/apache/activemq-artemis/pull/2523#issuecomment-468293346
I am merging this so I can cherry-pick using some git-magic into the new native project.
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Issue Time Tracking
-------------------
Worklog Id: (was: 205810)
Time Spent: 5h 40m (was: 5.5h)
> 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: Broker
> Affects Versions: 2.6.2
> Reporter: Francesco Nigro
> Assignee: Francesco Nigro
> Priority: Minor
> Fix For: 2.7.0
>
> Time Spent: 5h 40m
> 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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