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From Romain Manni-Bucau <rmannibu...@gmail.com>
Subject Re: HTTP Errors on Load-Balanced TomEE Servers
Date Mon, 03 Oct 2016 12:59:51 GMT
2016-10-03 14:44 GMT+02:00 Jlemoine <jlemoine@bcidaho.com>:

> Romain Manni-Bucau wrote
> > Hi
> >
> > it would be interesting to tune the timeouts on the connector(s) -
> > potentially on the LB too.
> >
> > If it happens again don't forget to take a thread dump of processes, it
> > often helps to see what the server is doing and if it is just busy.
> >
> >
> >
> > Romain Manni-Bucau
> > @rmannibucau &lt;https://twitter.com/rmannibucau&gt; |  Blog
> > &lt;https://blog-rmannibucau.rhcloud.com&gt; | Old Wordpress Blog
> > &lt;http://rmannibucau.wordpress.com&gt; | Github
> > &lt;https://github.com/rmannibucau&gt; |
> > LinkedIn &lt;https://www.linkedin.com/in/rmannibucau&gt; | Tomitriber
> > &lt;http://www.tomitribe.com&gt; | JavaEE Factory
> > &lt;https://javaeefactory-rmannibucau.rhcloud.com&gt;
> >
> > 2016-09-29 21:25 GMT+02:00 Jlemoine &lt;
>
> > jlemoine@
>
> > &gt;:
> >
> >>
> >>
> >> --
> >> View this message in context: http://tomee-openejb.979440.
> >> n4.nabble.com/HTTP-Errors-on-Load-Balanced-TomEE-Servers-tp4680255.html
> >> Sent from the TomEE Users mailing list archive at Nabble.com.
> >>
>
> Thanks Romain.  I have been working on testing the connector timeouts,
> although I haven't seen any performance improvements yet in my test
> environment.
> I can't mirror the same load in test as in prod but by throwing thousands
> of
> sim users at the web servers I can create the same symptoms.  Doing a
> thread
> dump with VisualVM does seem to comfirm what I suspected... a socket issue
> with the ajp connectors.
>
>
Don't get it wrong:

1. having a very small timeout should reject very fast clients, no perf
enhancements excepted you don't have too much waiting clients
2. what do you mean by the socket issue? ajp is connected so keeps sockets
by design


>
>
> --
> View this message in context: http://tomee-openejb.979440.
> n4.nabble.com/HTTP-Errors-on-Load-Balanced-TomEE-Servers-
> tp4680255p4680270.html
> Sent from the TomEE Users mailing list archive at Nabble.com.
>

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