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Date: Fri, 5 Jun 2015 14:40:12 +0100
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Subject: Re: Tracing ActiveMQ requests...
From: Gary Tully <gary.tully@gmail.com>
To: "users@activemq.apache.org" <users@activemq.apache.org>
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have you run with trace=3Dtrue on the transport urls. this will log4j
trace each openwire command on a per connection logger so that you can
at least identify the actual command that is taking time.
connection creation. producer creation, message send etc.

On 30 May 2015 at 00:06, Kevin Burton <burton@spinn3r.com> wrote:
> I=E2=80=99m trying to track down performance issues for our broker.
>
> I wrote a quick stopwatch around sending messages and it=E2=80=99s taking=
 2-6
> seconds to send requests to ActiveMQ.
>
> I have NO idea why this could be because I have reasonable CPU on this bo=
x
> and what could be happening.  Our broker runs out of memory, no disk is
> involved, plenty of CPU and network, etc.
>
> It would be nice if we had more tracing support in ActiveMQ.
>
> If you=E2=80=99ve ever used Cassandra=E2=80=99s tracing support you=E2=80=
=99ll know what I=E2=80=99m
> talking about
>
> ALA dapper-style tracing.
>
> http://research.google.com/pubs/pub36356.html
>
> Essentially it would track each step that could potentially take time and
> print them out as they happen.
>
> Maybe one way this could be accomplished is to send messages to a dedicat=
ed
> queue for each trace attempt?
>
> Either that or log the trace in the log file.
>
> This would NOT be log4j tracing.. which are just log lines.  This would b=
e
> a list of events and timings.
>
> Maybe this would be better to add to ActiveMQ 6.0 though.. but I guess we
> can figure it out as time goes by.
>
> Thoughts?
>
> --
>
> Founder/CEO Spinn3r.com
> Location: *San Francisco, CA*
> blog: http://burtonator.wordpress.com
> =E2=80=A6 or check out my Google+ profile
> <https://plus.google.com/102718274791889610666/posts>