>>
>> Hello Igor,
>>
>>> I'm building an ARP filter for grizzly that I use in glassfish-
>>> v2ur2 and I'm seeing huge request latency under moderate load (20
>>> users). When I run tests with a single user, the delay is usually
>>> insignificant.
>>>
>>> I wrote a faban benchmark for my filter and also added some
>>> debugging code that tracks processing time in the filter and I
>>> came to the conclusion that the delay occurs before the request
>>> hits the doFilter method of my filter, which means that the delay
>>> is occurring in grizzly or glassfish and not in my filter.
>>>
>>> I see the problem repeatedly. The 90th percentile of the delay is
>>> around 10 seconds (the average is 4-5 seconds, max is 30+ seconds).
>>>
>>> Are there any known issues with grizzly used in glassfish that
>>> could cause this behavior?
>> No, it's not known, at least for me. It could be related to
>> situation, when some thread (other than Selector thread) tries to
>> operate with a selector directly.
>> Please make sure your Filter doesn't do something like that.
>>
>> For sure it could be good if you can provide some testcase, which
>> reproduces the problem, so it's possible to run it locally and debug.
>>
>> Thank you.
>>
>> WBR,
>> Alexey.
>
> Since I work for Sun, I could set up a box on SWAN and give you
> access to it. Another alternative is that I'll send you all the code
> and instructions on how to set it up. The code is open source so
> either way will work for me.
I prefer 1st option :) Please let me know the coordinates of the
machine.
Thank you.
WBR,
Alexey.
>
>
> thanks,
> Igor
>
>
>>
>>
>>>
>>>
>>> cheers,
>>> Igor
>>>
>>>
>>>
>>> Here are relevant parts of the domain.xml:
>>>
>>> <jvm-options>-Dcom.sun.enterprise.web.connector.grizzly.asyncHandlerClass
>>> =
>>> com
>>> .sun.enterprise.web.connector.grizzly.async.DefaultAsyncHandler</
>>> jvm-options>
>>> <jvm-options>-Dcom.sun.enterprise.web.connector.grizzly.asyncHandler.ports
>>> =8080</jvm-options>
>>> <jvm-options>-
>>> Dcom
>>> .sun
>>> .enterprise
>>> .web
>>> .connector
>>> .grizzly
>>> .asyncFilters=com.igorminar.grizzlysendfile.SendfileFilter</jvm-
>>> options>
>>>
>>> <http-listener acceptor-threads="5" address="0.0.0.0" blocking-
>>> enabled="false" default-virtual-server="server" enabled="true"
>>> family="inet" id="http-listener-1" port="8080" security-
>>> enabled="false" server-name="" xpowered-by="true">
>>>
>>> ---------------------------------------------------------------------
>>> To unsubscribe, e-mail: users-unsubscribe_at_grizzly.dev.java.net
>>> For additional commands, e-mail: users-help_at_grizzly.dev.java.net
>>>
>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: users-unsubscribe_at_grizzly.dev.java.net
>> For additional commands, e-mail: users-help_at_grizzly.dev.java.net
>>
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe_at_grizzly.dev.java.net
> For additional commands, e-mail: users-help_at_grizzly.dev.java.net
>