[G12] [Fwd: Re: caldb mysql error during connection to server.]

[John T. Goetz]

-------- Forwarded Message --------
From: mher at jlab.org
To: jgoetz at ucla.edu
Subject: Re: [G12] caldb mysql error during connection to server.
Date: Tue, 18 Aug 2009 21:13:45 -0400 (EDT)

Hi Johann

I got similar massages for eg1dvcs, when 4 data sets where cooking
parallel, and something like 8k jobs where pending from different users.

best regards,
Mher

> Hi,
> has anyone seen this error during reconstruction? This is issued from
> the caldb package:
>
>  calib_connect: RunIndex_table = "calib_user.RunIndexg12"
>  calib_connect: using server=clasdb.jlab.org (default)
>  calib_connect: using latest constants
>  calib_connect: connecting as user=clasuser
>  calib_connect: connection error. Can't create a new thread (errno 11).
>  If you are not out of available memory, you can consult the manual for
> a possible OS-dependent bug
>  calib_get_int SQL_ERR: MySQL server has gone away
>  calib_get_int SQL_ERR: query error SELECT systemId FROM System WHERE
>  System.systemName='RUN_CONTROL'
>
> I'm not sure if its a memory problem or if the MySQL server is
> overloaded. This just started at about 18:24 on Aug. 18th 2009. I get
> this error from both the farm and when I run interactively. However, I
> can keep running a1c over and over and eventually i can get it to
> connect properly.
>
> -Johann.
>
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