Did you enable sepoll at compilation time?
Marc wrote:
> Hi All,
>
> I'm seeing my haproxy 1.2.17 process using 100% of my CPU (according
> to top) during peak loads. We have roughly 3100 active HTTP
> connections - many of them are long running ones with an expected
> response time of 20s (AJAX polling).
>
> From everything I've read about haproxy and my experience to date, I
> don't think we should have any issues with CPU. It's a dual-core
> Pentium @ 1.8GHz with 2GB RAM. I've attached our config file for
> haproxy. This is running on CentOS 4.5. Here's some of the kernel
> tuning I did:
>
> Linux 2.6.9-55.ELsmp #1 SMP Wed May 2 14:28:44 EDT 2007 i686 i686 i386
> GNU/Linux
>
> net.ipv4.tcp_syncookies = 1
>
> # Increase avil file descriptors
> fs.file-max = 2097152
>
> # Change the max number of pkts in syn pkts backlog
> net.ipv4.tcp_max_syn_backlog = 16384
>
> # Tune the amount of memory made available to TCP
> net.core.rmem_max = 8738000
> net.core.wmem_max = 6553600
>
> net.ipv4.tcp_rmem = 8192 873800 8738000
> net.ipv4.tcp_wmem = 4096 655360 6553600
>
Received on 2008/02/12 19:17
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