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From "Timothy Bish (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMQ-4947) Reduce the reliance on fsync when writing to disk
Date Thu, 09 Jan 2014 22:23:51 GMT

    [ https://issues.apache.org/jira/browse/AMQ-4947?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13867173#comment-13867173
] 

Timothy Bish commented on AMQ-4947:
-----------------------------------

Updated patch applied on trunk: 

enable this by defining "org.apache.activemq.kahaDB.files.skipMetadataUpdate=true"

> Reduce the reliance on fsync when writing to disk
> -------------------------------------------------
>
>                 Key: AMQ-4947
>                 URL: https://issues.apache.org/jira/browse/AMQ-4947
>             Project: ActiveMQ
>          Issue Type: Improvement
>          Components: Message Store
>    Affects Versions: 5.10.0
>         Environment: RHEL 6 and RHEL 4
>            Reporter: Vaidya Krishnamurthy
>              Labels: kahadb
>             Fix For: Unscheduled
>
>         Attachments: AMQ4947.patch, changes.txt
>
>
> Moving AMQ from  RHEL 4 to RHEL 6 affects performance of kahadb writes as seen from the
DiskBenchmark



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