[rabbitmq-discuss] RabbitMQ 3.0.2 stops logging, but otherwise looks healthy?

Wed Jul 17 00:21:03 BST 2013

Here you go Mark. The file date/times line up with when I last saw logging
in the files:

23:14 PROD mpietrek at foomq1:/proc/16050$ sudo ls -latr fd
total 0
l-wx------ 1 foobar foobar 64 2013-06-02 11:50 2 -> /foobar/logs/
foomq1.foo.bar.com/rabbitmq-server.log
dr-xr-xr-x 7 foobar foobar  0 2013-06-02 11:50 ..
dr-x------ 2 foobar foobar  0 2013-06-02 11:50 .
lr-x------ 1 foobar foobar 64 2013-06-02 11:50 9 -> pipe:[122339989]
l-wx------ 1 foobar foobar 64 2013-06-02 11:50 8 -> /foobar/logs/
foomq1.foo.bar.com/rabbit at foomq1sasl.log
l-wx------ 1 foobar foobar 64 2013-06-02 11:50 7 -> /foobar/logs/
foomq1.foo.bar.com/rabbit at foomq1.log
lrwx------ 1 foobar foobar 64 2013-06-02 11:50 6 -> socket:[122339982]
lrwx------ 1 foobar foobar 64 2013-06-02 11:50 5 -> socket:[122339980]
l-wx------ 1 foobar foobar 64 2013-06-02 11:50 4 -> pipe:[122339970]
lr-x------ 1 foobar foobar 64 2013-06-02 11:50 3 -> pipe:[122339970]
lr-x------ 1 foobar foobar 64 2013-06-02 11:50 17 -> socket:[122340310]
lrwx------ 1 foobar foobar 64 2013-06-02 11:50 16 -> socket:[122340285]
lrwx------ 1 foobar foobar 64 2013-06-02 11:50 15 ->
/foobar/var/lib/rabbit at foomq1/msg_store_persistent/397.rdq
lrwx------ 1 foobar foobar 64 2013-06-02 11:50 14 ->
/foobar/var/lib/rabbit at foomq1/msg_store_transient/0.rdq
lrwx------ 1 foobar foobar 64 2013-06-02 11:50 13 ->
/foobar/var/lib/rabbit at foomq1/queues/D1KLLKOJLVJ4YZGYLP2D32A9W/journal.jif
l-wx------ 1 foobar foobar 64 2013-06-02 11:50 12 -> pipe:[122339990]
lrwx------ 1 foobar foobar 64 2013-06-02 11:50 11 ->
/foobar/var/lib/rabbit at foomq1/LATEST.LOG
lrwx------ 1 foobar foobar 64 2013-06-02 11:50 10 -> socket:[122339997]
l-wx------ 1 foobar foobar 64 2013-06-02 11:50 1 -> /foobar/logs/
foomq1.foo.bar.com/rabbitmq-server.log
lr-x------ 1 foobar foobar 64 2013-06-02 11:50 0 -> /dev/null
lrwx------ 1 foobar foobar 64 2013-06-02 11:51 18 -> socket:[122340314]
l-wx------ 1 foobar foobar 64 2013-06-02 12:28 21 ->
/foobar/var/lib/rabbit at foomq1/queues/ETWUA9HXDWBIXFTEF0DVH5FBZ/journal.jif
lr-x------ 1 foobar foobar 64 2013-06-02 12:28 19 ->
/foobar/var/lib/rabbit at foomq1/queues/22TABTKBIJ6DQCA5GC6EZ0B8L/journal.jif
l-wx------ 1 foobar foobar 64 2013-06-02 13:12 22 ->
/foobar/var/lib/rabbit at foomq1/queues/A9AWP930R556ERL81W9PYEELL/journal.jif
lrwx------ 1 foobar foobar 64 2013-06-02 13:12 20 ->
/foobar/var/lib/rabbit at foomq1/queues/A8EPKFQ4VCO5A3APTTWYEQRFT/journal.jif

On Tue, Jul 16, 2013 at 12:19 PM, Jeffery, Mark <MJeffery at fnb.co.za> wrote:

>  Hello
>
> Assuming Linux, what does ls -latr show in the fd directory in the rabbitmq process's directory under /proc ?
>
>
> Matt Pietrek <mpietrek at skytap.com> wrote:
>
>
>    This is admittedly a shot in the dark, and with limited repro details,
> but asking if somebody else has seen this.
>
>  We run our clustered RabbitMQ 3.0.2 brokers in production without
> restarts for months at a time. Everything is looking good - No memory
> leaks, no out-of-disk-space, etc...
>
>  However, in looking at the rabbit@<node>.log and rabbit@<node>-sasl.log
> files, I noticed that at some point (e.g. a month earlier), no new entries
> were being added to the log file. Normally there's a steady stream of new
> connections and connection drops.
>
> I've listed the open file handles from the rabbitmq beam instance and I
> still see live file handles for the log files.
>
>  Anybody have any idea what might be happening? And better still, how we
> might kick things without restarting the broker?
>
>  Thanks,
>
> Matt
>
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