Varnish 503 Service unavailable error

[Paras Fadte]

  Hi Tollef ,

  FetchError  showed  " *no backend connection* "  .  Would playing around
with "backend probes" rectify this issue if backends are sometimes under
load ?
  or  would increasing the "connect_timeout"  help ?

  Thank you.

  -Paras



On Thu, Nov 12, 2009 at 3:40 PM, Tollef Fog Heen <tfheen at redpill-linpro.com>
wrote:
> ]] Paras Fadte
>
> | After increasing the connect_timeout and first_byte_timeout values the
> | erros have reduced. I also tried to get transaction for 503 error and
> | following is part of the transaction for the same
> |
> |   230 VCL_call     c recv lookup
> |   230 VCL_call     c hash hash
> |   230 VCL_call     c miss fetch
> |   230 VCL_call     c error deliver
>
> It fails to get the result from the backend.  Upgrade to 2.0.5 and look
> at the FetchError tag which will hopefully explain a bit more what goes
> wrong.
>
> --
> Tollef Fog Heen
> Redpill Linpro -- Changing the game!
> t: +47 21 54 41 73
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