I am using nano (nuno's excellent couch module) and Mikeal's excellent
Request module to access couch db. I'm processing about 5 to 25 PUTs/sec
and around 200 GETs/sec.
In a specific situation I am seeing a PUT (create new doc) take 10 to 20
seconds to respond. It takes 5 seconds to get the http to couch, 300ms for
couch to respond, and 5 more seconds to get the callback from nano.
I assumed it was the famous http agent starvation so I added this to the
beginning of my main module ...
(require 'http').Agent.defaultMaxSockets = 200
But this didn't help. Does anyone have any idea what could cause this
bottleneck? Any suggestions for debugging the problem? I can repeat the
problem at will. I hate to add log prints to nano and request, but if I
have to then so be it.
I also just realized if it was agent starvation the delay would only be in
the request timing and not the response, right?
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