I have been testing apache 1.3.27, webstar 5.?, and aolserver 3.5.6 & 4.0B8 with ab and http_load on Mac OS X 10.2.5.
I have noticed that when I raise the concurrent requests much above 12, ab and http_load both indicate lots of errors for aolserver: "connection reset by peer" or "byte count wrong" (mostly the latter). Webstar fails in a similar pattern when around 40 concurrent requests. Apache is fine up to around 200. I have made dozens of trials, and the results are consistent.
When I say "lots", I mean that with 15 concurrent requests, aolserver has a 100% error rate. "http_load -parallel 15 -fetches 1000 urls.aol" generates 1000 errors, 4 being "connection reset" and 996 being "wrong byte count". urls.aol contains one url, a 16K html file.
I experienced this with the default nsd.tcl file and also with various tweakings of the tuning parameters (not that I necessarily grok them fully).
Has anybody else experienced this? Is this bad?
-Kevin
-- AOLserver - http://www.aolserver.com/
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