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From "Robbie Gemmell (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (QPID-3659) Java client mishandles tcp_nodelay when specified as part of the broker URL
Date Fri, 02 Dec 2011 19:01:40 GMT

    [ https://issues.apache.org/jira/browse/QPID-3659?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13161789#comment-13161789
] 

Robbie Gemmell commented on QPID-3659:
--------------------------------------

AFAIK you need to single quote the value when specifying stuff in there, eg tcp_nodelay='true'.
See if that makes any difference.
                
> Java client mishandles tcp_nodelay when specified as part of the broker URL
> ---------------------------------------------------------------------------
>
>                 Key: QPID-3659
>                 URL: https://issues.apache.org/jira/browse/QPID-3659
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Client
>    Affects Versions: 0.15
>            Reporter: Kim van der Riet
>
> When tcp_nodelay is set as part of the broker's address, the performance of the client
drops badly, no matter whether the value is set to 'true' or 'false'. I assume that the parameter
is being mishandled and is tuning off the tcp_nodelay property (which is by default on) even
when set to 'true'.
> amqp://guest:guest@/test?brokerlist='tcp://20.0.10.43?tcp_nodelay=true'
> returns serialised get-put cycles onto a single queue at the rate of 25/sec, but
> amqp://guest:guest@/test?brokerlist='tcp://20.0.10.43'
> returns 3017/sec under otherwise identical conditions.
> I assume that the lower performance figure is consistent with tcp_nodelay not being active
in this test case.

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