[jboss-jira] [JBoss JIRA] Commented: (JGRP-813) Performance enhancements

Bela Ban (JIRA) jira-events at lists.jboss.org
Wed Sep 17 09:17:22 EDT 2008


    [ https://jira.jboss.org/jira/browse/JGRP-813?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12430011#action_12430011 ] 

Bela Ban commented on JGRP-813:
-------------------------------

Created a set of ExposedXXX equivalents of DataInputStream etc, use these instead of the synchronized ones

> Performance enhancements
> ------------------------
>
>                 Key: JGRP-813
>                 URL: https://jira.jboss.org/jira/browse/JGRP-813
>             Project: JGroups
>          Issue Type: Task
>            Reporter: Bela Ban
>            Assignee: Bela Ban
>             Fix For: 2.7
>
>
> Take a look at the following items (visualvm, -Xprof, -Xrunprof):
> - FD: message counts as heartbeat: enable / disable this as it is overhead
> - IpAddress: hashCode() can be more efficient. Take a look at equals(), too. Possibly get rid of canonicalization
> Potential hotspots:
> - NakReceiverWindow.stable()
> - IpAddress.compare()
> - Retransmitter.remove()
> - Message: canonicalization cost (1 hashmap lookup/insertion) ?

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