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From "Keith Wall (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (QPID-4089) Add latency tests into Java Performance Tests
Date Mon, 02 Jul 2012 14:27:31 GMT

     [ https://issues.apache.org/jira/browse/QPID-4089?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Keith Wall resolved QPID-4089.
------------------------------

    Resolution: Fixed

Patch applied.
                
> Add latency tests into Java Performance Tests
> ---------------------------------------------
>
>                 Key: QPID-4089
>                 URL: https://issues.apache.org/jira/browse/QPID-4089
>             Project: Qpid
>          Issue Type: Task
>          Components: Java Performance Tests
>    Affects Versions: 0.17
>            Reporter: Alex Rudyy
>            Assignee: Keith Wall
>             Fix For: 0.17
>
>         Attachments: 0001-QPID-4089-Add-latency-tests-into-java-performance-te.patch
>
>
> We need to implement a group of tests measuring latency metrics (minimum latency, maximum
latency, average latency, standard deviation) by varying the following attributes:
> queue type
> message size
> number of producers and consumers
> selectors
> The publishing rate should be deliberately limited in such tests to never throttle the
broker or exceed the consumption rate.
> Ideally, a special configuration parameter like expectedPublishingRate can be added to
control publishing, however, we can use currently implemented "interval" parameter. We can
also publish data in small batches with delays between batches.
> Also, it would be interesting to see comparison of latency vs throughput by varying the
publishing rate.
> Publishing in AA mode is only required for initial latency tests.

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