Sporadic 503 errors with 3.0.2

Andreas Plesner Jacobsen apj at mutt.dk
Thu Oct 27 10:48:22 CEST 2011

On Wed, Oct 26, 2011 at 10:56:51PM -0600, Bryan Stillwell wrote:

> I'm seeing sporadic 503 errors that I'm wondering if someone could
> help me with.  If I read this right, there appears to be a problem
> with the backend:

You're right:

>   151 FetchError   c no backend connection
> Is there any way to get more details on what the failure with the
> backend is?  Was there a failure connecting to it?  Bad response?
> Timeout?

Check these counters:

backend_unhealthy, backend_busy, backend_fail


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