W dniu 04.02.2011 21:29, Andrew Kerr pisze: > Since the machine isn't even opening up a socket, it makes me think you are hitting either a connection limit or related file limit. > > Have you set things such as fs.file-max, tcp keepalive, and file limits (check ulimit) per the docs? Yes, I've set ulimit and fd to 4096. max open fd's about 1500. > -----Original Message----- > From: 389-users-bounces at lists.fedoraproject.org [mailto:389-users-bounces at lists.fedoraproject.org] On Behalf Of David Boreham > Sent: Thursday, February 03, 2011 11:42 AM > To: 389-users at lists.fedoraproject.org > Subject: Re: Performance tuning - where to begin? > > On 2/3/2011 9:29 AM, Daniel Fenert wrote: >> There are plenty of configuration options, where should I look first? >> > My first guess would be that you've saturated one core. The server > probably still processes new connections in a single thread (it did on > Unix platforms last time I looked at the code at any rate). So although > the CPU load overall is not 100%, once you max out one core, it won't be > able to process new connections any faster. That said, the rate you are > achieving seems quite low for a modern machine. It would be worthwhile > looking to see if it is doing a reverse DNS lookup on the client IP address. > After that, try using pstack to see what the accept thread is spending > its time on. > > > > -- > 389 users mailing list > 389-users at lists.fedoraproject.org > https://admin.fedoraproject.org/mailman/listinfo/389-users > > This message and the information contained herein is proprietary and confidential and subject to the Amdocs policy statement, > you may review at http://www.amdocs.com/email_disclaimer.asp > -- > 389 users mailing list > 389-users at lists.fedoraproject.org > https://admin.fedoraproject.org/mailman/listinfo/389-users -- Daniel Fenert
