On 7/30/10 4:43 PM, HC Saustrup wrote:

   46 FetchError   c backend write error: 11 <-- oops!
Error 11 seems to be "Resource temporarily unavailable."

I'm grasping at straws here, but could this error show up if the client closed the connection before the request was answered by the backend?

I tried dumping a request that failed with tcpdump and wrote a script to run 20 concurrent requests like it to the backend, but all respond with correct data and code 200 (3000-16000ms/request - way over the 5000ms where most of the sporadic 503's happen). I simply can't get it to fail myself, neither by script or via the browser. I get plenty errors in varnishlog still, though :-(

Any clues?

Cheers,
HC


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