[SR-Users] memcache problem - reporting protocol error

[Dragos Oancea]

Hello



We are having issues with the memcached module (Kamailio 4.0.0) . 


All of a sudden we are getting this kind of messages in the logs, and the values for the requested keys are not retrieved.


ALERT: memcached [memcached.c:189]: ALERT: memcached: mcm_fetch_cmd():1305: memcache(4) protocol error: STORED#015#012VALUE 29515_HA1 0 32#015#012b52299247f16c6adfa4c8cc53b34e74a#015#012END#015#012STORED#015#012

[...]
ALERT: memcached [memcached.c:189]: ALERT: memcached: mcm_fetch_cmd():1176: memcache(4) protocol error: server sent data for key not in request


I suspect that at some point there was a network problem between the memcached server and Kamailio that triggered this abnormal behavior and I also suspect that it is 
connected with the (old) libmemcache library (libmemcache-1.4.0.rc2) .


This is fixed only with a Kamailio restart. 



Has anyone experience this ?  Is there a fix ?
I noticed that the Kamailio from the trunk compiles the memcached module with the more new libmemcached library from here: https://launchpad.net/libmemcached/+download .

Maybe this is one of the reasons libmemcache is going to be dropped ?

Thank you very much.

Regards,
Dragos 
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