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List:       haproxy
Subject:    HAproxy will proctect each backend server?
From:       Neat Guo <neatguo () gmail ! com>
Date:       2010-12-22 15:59:31
Message-ID: AANLkTinzc0250kN3=8ukvP4qLh4PjkoNSDAyp48B_ADs () mail ! gmail ! com
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Hello,

I configured "Listen" section like below:
------------------------------------
global
        log 127.0.0.1   local0
        maxconn 255350
        nbproc 1
        chroot /opt/haproxy
        uid 99
        gid 99
        daemon
        pidfile /opt/haproxy/run/haproxy.pid

defaults
        log     127.0.0.1       local3
        mode    http
        retries 2
        maxconn 255350
        balance roundrobin
                timeout server 50s
                timeout client 50s
                timeout connect 10s

listen openfire
        maxconn 255350
        option httpchk OPTIONS /http-bind/ HTTP/1.0
        mode tcp
        bind :5222
        #fullconn   255350

        balance roundrobin
        timeout server 150s
        timeout client 150s
        timeout connect 30s

        server IM_01_191 192.168.111.191:5222 check port 7070  maxconn
120000
        server IM_02_192 192.168.111.192:5222 check port 7070 maxconn 120000
        server IM_03_193 192.168.111.193:5222 check port 7070  maxconn
120000

-------------------------------------------------------------

The backend server is the IM Chat Server(openfire).

It's use the persistent TCP mode.

When I use Tsung to stress the HAProxy.

The each server 's [sessions max] will be in scope 26000 ~ 32000.It can't
not increase more high value.

I have modified the system ulimit to 655350.

I dont know why each server's connection can't be increased more?

I used TSung stress the standalone server(not use Haproxy),The active
connections will be 80000 ~ 100000.


Does  HAProxy proctect each backend server? The max sessions will below some
value(like 35000?)?

I have no idea.

Please help me!

Thanks a lot!

Sincerely,
Neat Guo

[Attachment #3 (text/html)]

Hello,<div><br>
I configured &quot;Listen&quot; section like below:<br>
------------------------------------<br>
global<br>
        log 127.0.0.1   local0<br>
        maxconn 255350<br>
        nbproc 1<br>
        chroot /opt/haproxy<br>
        uid 99<br>
        gid 99<br>
        daemon<br>
        pidfile /opt/haproxy/run/haproxy.pid<br>
<br>
defaults<br>
        log     127.0.0.1       local3<br>
        mode    http<br>
        retries 2<br>
        maxconn 255350<br>
        balance roundrobin<br>
                timeout server 50s<br>
                timeout client 50s<br>
                timeout connect 10s<br>
<br>
listen openfire<br>
        maxconn 255350<br>
        option httpchk OPTIONS /http-bind/ HTTP/1.0<br>
        mode tcp<br>
        bind :5222<br>
        #fullconn   255350<br>
<br>
        balance roundrobin<br>
        timeout server 150s<br>
        timeout client 150s<br>
        timeout connect 30s<br>
<br>
        server IM_01_191 <a \
href="http://192.168.111.191:5222">192.168.111.191:5222</a> check port 7070  maxconn \
                120000<br>
        server IM_02_192 <a \
href="http://192.168.111.192:5222">192.168.111.192:5222</a> check port 7070 maxconn \
                120000<br>
        server IM_03_193 <a \
href="http://192.168.111.193:5222">192.168.111.193:5222</a> check port 7070  maxconn \
120000<br> <br>
-------------------------------------------------------------<br>
<br>
The backend server is the IM Chat Server(openfire).<br>
<br>
It&#39;s use the persistent TCP mode.<br>
<br>
When I use Tsung to stress the HAProxy.<br>
<br>
The each server &#39;s [sessions max] will be in scope 26000 ~ 32000.It can&#39;t not \
increase more high value.<br> <br>
I have modified the system ulimit to 655350.<br>
<br>
I dont know why each server&#39;s connection can&#39;t be increased more?<br>
<br>
I used TSung stress the standalone server(not use Haproxy),The active connections \
will be 80000 ~ 100000.<br> <br>
<br>
Does  HAProxy proctect each backend server? The max sessions will below some \
value(like 35000?)?<br> <br>
I have no idea.<br>
<br>
Please help me!<br>
<br>
Thanks a lot!<br>
<br>
Sincerely,<br>
Neat Guo<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
<br>
</div>



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