Hey Brandon,

Am 08.12.2011 um 20:32 schrieb Brandon Armstead:
>     I am very very very frequently seeing in logs "Lost connection to MySQL 
> Server" --- the MySQL server that it is connecting to is less than 1 ms away 
> (essentially sitting in the same rack).
> 
> Dec  8 19:21:15  /usr/local/sbin/kamailio[4149]: INFO: dialog 
> [dlg_db_handler.c:584]: trying to remove dialog 
> [[email protected]], update_flag is 4
> Dec  8 19:21:16  /usr/local/sbin/kamailio[4149]: ERROR: db_mysql 
> [km_dbase.c:122]: driver error on query: Lost connection to MySQL server 
> during query
> Dec  8 19:21:16  /usr/local/sbin/kamailio[4149]: ERROR: <core> 
> [db_query.c:242]: error while submitting query
> Dec  8 19:21:16  /usr/local/sbin/kamailio[4149]: ERROR: dialog 
> [dlg_db_handler.c:598]: failed to delete database information
> 
> *** MOD PARAM CONFIG ***
> 
> # database ping
> modparam("db_mysql", "ping_interval", 150) 
> modparam("db_mysql", "auto_reconnect", 1)
> 
> Any thoughts on what may be happening?  It seems the overall connection 
> (network) between the two servers is great.

The MySQL documentation enumerates a number of reasons:

http://dev.mysql.com/doc/refman/5.1/en/error-lost-connection.html
(This is the URL to MySQL version 5.1 documentation.)

You may want to check those for possible matchings.


Cheers,

--Timo
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