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From Leon Rosenberg <rosenberg.l...@googlemail.com>
Subject Re: Tomcat fails to service requests after period of time
Date Wed, 19 Oct 2005 22:33:19 GMT
ops sorry, this shouldn't be posted (or replied) here -> my fault,

Steve, please repost to user@tomcat.apache.org


On 10/20/05, Leon Rosenberg <rosenberg.leon@googlemail.com> wrote:
> 1) Can you reproduce it with a test?
> 2) If you can, or as soon as you can, can you also reproduce it on a
> standalone tomcat?
> 3) You tried a stacktrace?
> 4) How do you know it's AJP?
> 5) Have you looked at the manager? /manager/status.html
>
> regards
> Leon
>
> On 10/19/05, Steve Gaunt <SGaunt@emeraldinsight.com> wrote:
> > HI,
> >
> > Has anyone else had any issue using mod_jk under heavy load..
> >
> > It seems after a period of time(or large no. opf requests) under heavy load AJP
connetor just hangs.  It's crazy.
> > All the ajp connections seem to be hanging in service mode, and the only way to
recover this is to restart tomcat. I'm really stuck with this.
> > Has anyone got success stories with jk2(mod)jk) under heavey load.  Around 1/2-1
million hits/day.
> >
> > Steve
> >
> >         -----Original Message-----
> >         From: Steve Gaunt
> >         Sent: Wed 19/10/2005 18:51
> >         To: Tomcat Developers List; Tomcat Developers List
> >         Cc:
> >         Subject: Tomcat fails to service requests after period of time
> >
> >
> >
> >         HI,
> >
> >
> >
> >         Please, can any one help.  I've googled but to no success.
> >
> >         There seems also to be a problem in mod_jk , tomcat5, the  jap connections
build up slowly over the day.
> >         The problem seems to be that the connection via mod_jk (Port 8009) does
> >         not close, so the java/tomcat processes
> >         will not quit after responding to the request (or the other way
> >         around?). This problem occurs only in
> >         heavy load situations. After that I see many open socket connections an
> >         some tomcat processes that will not quit.
> >
> >         Has any one suffered a similar problem??
> >
> >         these are the worker.property settings
> >
> >         worker.insight.port=8009
> >         worker.insight.type=ajp13
> >         worker.insight.cachesize=200
> >
> >         # worker.insight.cache_timeout=60
> >         # worker.insight.recycle_timeout=60
> >         worker.insight.socket_keepalive=1
> >         worker.insight.socket_timeout=60
> >
> >         # if the "retries" value is greater than three,
> >         # there will be a pause of 100 ms between each retry
> >         # so this would be a good value if your average response
> >         # time is 1.7 seconds:
> >         worker.insight.retries=20
> >
> >
> >         Property for tomcat
> >
> >         <Connector port="8009" address="${jboss.bind.address}"
> >         enableLookups="false" redirectPort="8443" debug="0" minProcessors="75"
> >         maxProcessors="200" protocol="AJP/1.3"/>
> >
> >
> >
> >
> >
> >         Steve
> >
> >
> >
> >
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>

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