[jboss-jira] [JBoss JIRA] Resolved: (JGRP-846) ExposedByteArrayOutputStream / ExposedDataOutputStream: override synchronized methods

[Bela Ban (JIRA)]

     [ https://jira.jboss.org/jira/browse/JGRP-846?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bela Ban resolved JGRP-846.
---------------------------

    Resolution: Done


fixed in CVS head (2.7) and 2.6 branch

> ExposedByteArrayOutputStream / ExposedDataOutputStream: override synchronized methods
> -------------------------------------------------------------------------------------
>
>                 Key: JGRP-846
>                 URL: https://jira.jboss.org/jira/browse/JGRP-846
>             Project: JGroups
>          Issue Type: Task
>            Reporter: Bela Ban
>            Assignee: Bela Ban
>             Fix For: 2.6.6, 2.7
>
>
> Both of these classes have synchronized methods. However, JGroups (mainly in TP) locks an output stream (both for single messages and in the bundler), so we don't need synchronized methods.
> SOLUTION: overwrite the synchronized methods with unsynchronized methods in ExposedXXXOutputStream.
> The perf.Test shows an increase of perf from 95'000 1K messages/sec/node to 99'000 !

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