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From Reynald Borer <>
Subject Re: Slow throughput after several hundred messages
Date Wed, 15 Dec 2010 19:30:50 GMT

 Here is a timeline distribution of the GC activity. The period is quite short (a little bit
more that 3 minutes) so it is hard to deduce anything, but here we can see that there is a
period of 30 seconds where the GC activity is more intense, between 45 and 75 seconds. But
all full GC takes around 100ms, so I tend to think that the GC is not the culprit here, it
is only a good indicator of the broker slowdown.

You can try to analyze your GC logs from your production with the GCHisto tool (can be downloaded
here:, maybe it can help in
diagnosing this issue.


On Tuesday, December 14, 2010 at 14:40 , wrote:

> Here is the gc.log and activemq logs, once again taken from a run where I
> allowed it to process, block and then continue processing:
> logs_verbose_gc.rar 
> -- 
> View this message in context:
> Sent from the ActiveMQ - User mailing list archive at

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