[jboss-jira] [JBoss JIRA] Commented: (JGRP-806) Message: investigate making the overhead for headers smaller

[Bela Ban (JIRA)]

    [ https://jira.jboss.org/jira/browse/JGRP-806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12422706#action_12422706 ] 

Bela Ban commented on JGRP-806:
-------------------------------

I don't think this would be very fast, especially as you need to iterate over the array to find the right header. The putHeader() method would also have to see whether a key of the same name already exists, and also iterate to do that.

Do you have any measurements which show the opposite ?

> Message: investigate making the overhead for headers smaller
> ------------------------------------------------------------
>
>                 Key: JGRP-806
>                 URL: https://jira.jboss.org/jira/browse/JGRP-806
>             Project: JGroups
>          Issue Type: Task
>            Reporter: Bela Ban
>            Assignee: Bela Ban
>             Fix For: 2.6.4, 2.7
>
>
> Related to https://jira.jboss.org/jira/browse/JGRP-805.
> See whether we can make the overhead for ConcurrentHashmap in Message smaller. Potentially reduce the number of buckets for each CCHM (default: 16, IIRC). Or replace CCHMs altogether ?

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