Hi Charles,
If you want to really see how many are busy, perhaps qualify the command as:
netstat -an | grep 8009 | grep ESTABLISH | wc -l
Some connections may be in CLOSE_WAIT or TIME_WAIT states, waiting to be
closed.
Thanks.
-Shanti
On Tue, Oct 23, 2012 at 12:10 PM, Charles Richard <
charle...@thelearningbar.com> wrote:
> Hi,
>
> Thanks for the reply!
>
> The command was the following:
>
> [root@mysandbox tmp]# netstat -an | grep 8009 | wc
> 856 5136 76184
>
> How should i interpret this? I thought this meant that 856 threads were
> open while my MaxThreads is 750. I'm trying to understand if all my
> workerThreads are busy (hence trying the jstack dump) and then if they are,
> not sure how I would do this but try to figure out on what they're busy.
>
> My OS is CentOS 5.8 for my sandbox and Red Hat 5.8 for my production boxes.
>
> Thanks,
> Charles
>
> On Tue, Oct 23, 2012 at 12:25 PM, Daniel Mikusa <dmik...@vmware.com>
> wrote:
>
> > >> Hi,
> > >>
> > >> I'm testing performance of our Java application in Tomcat (6.0.30) and
> > we
> > >> have maxThreads set to 750. I noticed that when i did a netstat -an |
> > grep
> > >> my_ajp_port, i saw around 860 connections.
> >
> > That does not necessarily mean that you have 860 threads running. What
> > are you trying to determine by running this command? If you want to see
> > the number of threads, use jconsole, jvisualvm or jstack.
> >
> > Also, if you include the output of "netstat -an | grep my_ajp_port" and
> > what OS you are running, someone on the list might be able to better
> > explain the output from the command.
> >
> >
> > >> I was expecting to see > 750 Worker Threads in my stack since some
> extra
> > >> worker threads are needed by Tomcat. What i saw was around 60 worker
> > >> threads in the trace.
> >
> > This would be the correct number of threads in use.
> >
> > Dan
> >
> >
> > >>
> > >> Any suggestions/ideas on why that would be?
> > >>
> > >> Cheers,
> > >> Charles
> > >>
> >
> >
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> >
>
