[openstack-dev] [nova][cinder] (OperationalError) (1040, 'Too many connections') None None

Jay Pipes jaypipes at gmail.com
Mon Sep 29 15:42:58 UTC 2014


On Sun, Sep 28, 2014 at 5:56 PM, Nader Lahouti <nader.lahouti at gmail.com>
wrote:

> Hi All,
>
> I am seeing 'Too many connections' error in nova api and cinder when when
> installing openstack using the latest..
> The error happens when launching couple of VMs (in this test around 5 VMs).
>
> Here are the logs when error happens:
>
> (1) nova-api logs/traceback:
>
> http://paste.openstack.org/show/116414/
>
> (2) cinder api logs/traceback:
>
> http://paste.openstack.org/show/hbaomc5IVS3mig8z2BWq/
>
> (3) Stats of some connections:
> http://paste.openstack.org/show/116425/
>
> As it shown in (3) the issue is not seen with icehouse release.
>
> Can somebody please let me know if it is a known issue?
>

Hi Nader,

Would you mind pastebin'ing the contents of:

 SHOW FULL PROCESSLIST\G

when executed from the mysql command line client?

That will help to show us which threads are stuck executing what in MySQL.

Best,
-jay
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