[Labs-l] Memcached issues on piramido

Wed Jan 30 23:37:47 UTC 2013

On 01/30/2013 05:11 PM, Ryan Lane wrote:

> Looking on the instance, in dmesg I see segfaults:
> 
> [3014246.521105] memcached[13216]: segfault at 0 ip 000000000040d525 sp
> 00007ffbc8336a90 error 4 in memcached[400000+18000]
> 
> That said, memcache is configured on that instance to use 2GB of memory:
> 
> /usr/bin/memcached -m 2000 -p 11000 -u nobody -l 127.0.0.1 -c 25000 -n 5
> -f 1.05
> 
> The system only has 1GB total.

It says  2048 Mb  at
https://labsconsole.wikimedia.org/wiki/Nova_Resource:I-000004bd .

Granted, it might not be a good idea to allocate it all to memcached
(not sure how smart it is about not filling the RAM).

Do you recommend we decrease the amount memcached can use?  If so, where
is the setting?

Matt Flaschen