[rabbitmq-discuss] Problem concurrency isue with rabbitmq (branch bug21673)

scott w scottblanc at gmail.com
Wed Feb 17 20:28:01 GMT 2010

HI Matthew --

Just want to let you know that we are no longer seeing the problems we were
seeing last week. We upgraded to erlang, picked up the new changes you made
and fixed some issues on the client side and everything seems to be working
rather well at high load. Thanks for your help and all your hard word on


On Mon, Feb 15, 2010 at 12:41 PM, Matthew Sackman <matthew at lshift.net>wrote:

> Hi Scott,
> Thanks for the extra information. There was a bug which I fixed today
> which maybe could have been causing you issues. Please make sure you
> update to the latest on 21673 and do let me know if you see it again.
> Of course, it could just be that at that time, all the channels were
> blocked, preventing publishes, due to high memory loads. This can take a
> little while to dealt with, especially in Erlang prior to R13 - the GC
> in R13 is much faster at reclaiming and releasing memory, thus the
> throttling doesn't tend to stay active for as long.
> Matthew
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