[rabbitmq-discuss] Questions about limit alarm and report in the log file

Rosa, Andrea (HP Cloud Services) andrea.rosa at hp.com
Mon Mar 12 16:31:12 GMT 2012


Hi Jerry,


>Subject: Re: [rabbitmq-discuss] Questions about limit alarm and report
>in the log file
>
>Hi, Andrea:
>
>When you see the former, it might not be a bad idea to take a peek with
>lsof, or similar, and see just what the file descriptors for Rabbit
>correspond to.  Remember, they're not all going to correspond to
>sockets,
>as Rabbit has various files it deals with during operation.  Using
>ulimit
>or editing limits.conf to change what your OS is making available to
>Rabbit
>is also something to keep in mind if you're finding yourself regularly
>running low on fd's.

Ok, We have already increased this limit but evidently it's not enough.

>
>If things are working normally you'll see the alarm set when you hit a
>limit,
>and clear when that warning condition remits, say after something is
>closed.
>
>How many connections is your broker maintaining when you see these?
>Rabbit
>will use a file descriptor for each connection, but also tries to leave
>them
>open until it finds a reason to close them, for example, it starts
>approaching
>a limit as you see here.
>

Ok now it's clear.

Thanks
--
Andrea


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