[Erlyaws-list] Problem while testing webserver (Apache and Yaws) with httperf

[MT8 <mt...@ho...>]

Hello everyone.
I'm doing little testing with Apache and Yaws.
I've last version of Yaws, Erlang and Apache

I'm launching  httperf (from a client) within a script
so that the variable iteration (see below) is a step of 10k connections and
goes from 10k to 90k 
(first 10k... then 20k... and so on)


httperf --hog --server=MYSERVERIP --num-calls=1 --burst-length=1 --rate=0
--num-conns=${iteration} --port=8080 --uri=/Simple/example.html >
testing-yaws.txt
httperf --hog --server=MYSERVERIP --num-calls=1 --burst-length=1 --rate=0
--num-conns=${iteration} --port=8080 --uri=/Simple/example.html >
testing-apache.txt

It goes well up to 30k num-conns
but when it goes to 40k num-conns it returns error: 

httperf: connection failed with unexpected error 98

i use grep to see more details:
grep 98  /usr/include/*/*errno*

/usr/include/asm-generic/errno.h: #define EADDRINUSE 98 /* Address Already
in use */


it's the same both in Apache's test and in Yaws' one

i've tried changing: -
- ulimit
-  sysctl net.ipv4.ip_local_port_range
- sysctl -w net.ipv4.tcp_fin_timeout
-/proc/sys/fs/file-max 

with no result.
please give me some suggestions

             
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