Hi, Brett!
We previously had a similar issue with the ratelimit module, but it has
been fixed in opensips 1.8. Are you using an older version?
Can you give a little more information about the ratelimit scenario?
What is the cachedb backend you are using for it? Is the limit shared
among multiple instances? Can you replicate the issue?
Best regards,
Razvan Crainea
OpenSIPS Core Developer
http://www.opensips-solutions.com
On 02/05/2013 01:33 PM, Bogdan-Andrei Iancu wrote:
Hi Brett,
Vlad fixed the prefix issue with dialog profiles and Razvan will take
a look on the ratelimit issue. This will fix the usage with couchbase ;).
It remains to investigate the memcached issue.
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com
On 02/05/2013 12:32 PM, Brett Nemeroff wrote:
They are separate issues.
I'm getting regular memcache errors like SYSTEM ERROR or TIMEOUT for
just normal script cache_fetchs. They don't happen a whole lot, but
when it does, I get like 10-15 of them all at once. And like I said,
it doesn't appear to return negative so call processing kinda fails
instead of letting me do the proper action when the key is missing.
The errors I'm getting with distributed dialog profiles and
ratelimiting are different. I'm using the prefix modparams for
dialogs and it appears to be truncating those prefixes oddly.
Ratelimiting doesn't appear to have the same prefix issue.
Ratelimiting however also appears to be broken because I have a
perfectly idle box showing counters in rl_list. I'm not really sure
what's going on and it's hard to troubleshoot because ratelimiting
inserts a very large integer to the backend and I'm not sure what it
represents.
On Tue, Feb 5, 2013 at 4:27 AM, Bogdan-Andrei Iancu
<[email protected] <mailto:[email protected]>> wrote:
Brett,
I understand you are working with Vlad in troubleshooting the
memcached issues.
But if I understand correctly, you are saying that you are also
getting errors when using distributed dialog profiles but with
couchbase ? If so, what kind of error you get there ?
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com
On 02/05/2013 11:52 AM, Brett Nemeroff wrote:
Bogdan,
Increasing the -R parameter seems to have made the situation
better, but I am without question regularly running into weird
memcache timeout and system errors. I've tried several different
hardware platforms. Point to local and remote memcache servers.
Different memcache libraries and server versions. I've tried
couchbase instead of memcache and I can't get rid of the errors.
I'm really not sure what could be causing them.
When I get them, the call attempting to process fails, which is
frustrating. I'd expect that the memcache result would return
negative which would trigger a direct db query (which is written
in the script in case the cache object is missing anyway).
However it doesn't do this. It just fails and continues
processing a null return value. Is that behavior expected or a bug?
Thanks!
-Brett
On Thu, Jan 24, 2013 at 6:27 AM, Bogdan-Andrei Iancu
<[email protected] <mailto:[email protected]>> wrote:
Hi Brett,
We talked about this on IRC - any luck with it ?
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com
On 01/21/2013 11:31 PM, Brett Nemeroff wrote:
Hey All,
Generally I have really good luck with memcache, but for
some reason, I'm having some issues today.
Once I crank this one box up with load, I start to see
these errors flood my logs:
cachedb_memcached:wrap_memcached_get: Failed to get: SYSTEM
ERROR
cachedb_memcached:wrap_memcached_get: Failed to get: A
TIMEOUT OCCURRED
I've tired changing the tread count for memcache.
Additional processes.. Heck, I've even tried putting
memcache on other servers and in other colos. The original
memcache is on the same box and is pointed at localhost
(127.0.1.2).
I'm hitting it reasonably hard, but it should keep up.
About 10k ops a sec. I see it run great for like 2 minutes,
then it hangs for like 4 seconds, then picks back up for
another 30 seconds or so.. goes that like on and off.
Any idea of what could be wrong?
Thanks,
Brett
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