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https://issues.apache.org/jira/browse/SYNAPSE-287?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nicolas KOHUT updated SYNAPSE-287:
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Attachment: too_main_files.JPG
Ok With Linux, no problem.
But now, testing with our own mediators, we have "too many open files" error.
We do not use files in our developments.
Do you have any idea / track the cause of this error?
> An Invalid configuration can lead to lockup
> -------------------------------------------
>
> Key: SYNAPSE-287
> URL: https://issues.apache.org/jira/browse/SYNAPSE-287
> Project: Synapse
> Issue Type: Bug
> Components: Transports
> Affects Versions: 1.1.1
> Environment: Windows XP SP2, JDK SUN 1.5.0_15
> Ubuntu Server 6.10, JDK SUN 1.5.0_15
> Reporter: Nicolas KOHUT
> Assignee: Asankha C. Perera
> Priority: Minor
> Attachments: 10000_gros_message_KO_CPU.JPG, full_Linux.JPG,
> GipMock.war, read_time_out.JPG, synapse.xml, test de perf.jmx,
> too_main_files.JPG
>
>
> Synapse has some networks problems.
> When it is stressed, is freeze synapse in transport http.
> This behavior is obtained by influencing 2 parameters:
> - the number of competitors access (number of thread).
> - the size of messages sent.
>
> More generally, the higher the speed is high (combination of 2 parameters
> above) synapse freezes more quickly.
> A simple test case (using JMeter):
> - Install distribution synapse-1.1.1 default.
> - Setting up a proxy with sequences in and out empty.
> - Launch a thread (1 single thread is sufficient ...) which calls the proxy
> with a message 6Ko infinite loop. The thread sits 100 ms between each call.
> Synapse must freeze (random) after about 2 000 calls (5 max 000).
> The freeze takes place at a rate of 7 messages (6Ko) per second ...
>
> The only configuration synapse that I could find is the file in the folder
> synapse.properties Conf of synapse.
> This file can affect a pool of thread used by synapse. Increase the various
> parameters of the pool has no impact and does not correct the problem.
> Listed JVM, jconsole indicates that there is no leakage and no memory thread
> in deadlock.
> Finally, the synapse approved http requests with nio-http (I do not know
> more).
> Conclusion:
> The simple test presented above is surprising. Synapse seems not to hold a
> charge very light.
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