Re: Problems with load balancing cluster on GFS

2008-06-06 Thread Jens Hoffrichter
Hello Jorey 2008/6/5 Jorey Bump [EMAIL PROTECTED]: At first I thought that this was a problem related to entropy, but it even persisted after I turned off allowapop, and unconfigured everything relating to TLS (as SSL/TLS will be handled completely by the perdition, we don't need it) To

Re: Problems with load balancing cluster on GFS

2008-06-06 Thread Jorey Bump
Jens Hoffrichter wrote, at 06/06/2008 09:46 AM: But it doesn't seem to be related to entropy. Though on one of the nodes entropy is usually quite low (between 100 and 300), it never drops below the 100 mark, and when running a load test, that node and another failed, and on the one failing

Re: Problems with load balancing cluster on GFS

2008-06-06 Thread Klaus Steinberger
I'm seeing some weird behaviour with the pop3 daemon on a GFS HA cluster with load balancing. I would not advise running cyrus-imapd on top of GFS. GFS is even with the best tuning possible very slow regarding small files (the typical load type of a cyrus-imapd). GFS runs into heavy

Re: Problems with load balancing cluster on GFS

2008-06-06 Thread Jens Hoffrichter
Hello, 2008/6/6 Jorey Bump [EMAIL PROTECTED]: Yeah, it shouldn't lock with urandom. You might want to play around with poptimeout and popminpoll, to see if that has any effect on your load balancing test. Is jakarta-jmeter distributing these logins among enough different users to simulate

Re: Problems with load balancing cluster on GFS

2008-06-06 Thread Jens Hoffrichter
Hallo Klaus, 2008/6/6 Klaus Steinberger [EMAIL PROTECTED]: I'm seeing some weird behaviour with the pop3 daemon on a GFS HA cluster with load balancing. I would not advise running cyrus-imapd on top of GFS. GFS is even with the best tuning possible very slow regarding small files (the

Re: Problems with load balancing cluster on GFS

2008-06-06 Thread John Madden
Current size of my Imap Server is 2500 users and currently 250 GByte of Mailboxes used (growing and growing). Well, we will be talking about something in the range of above 50k mailboxes, so a single machine is just out of question. And some sort of standby will be needed. I didn't do the

Problems with load balancing cluster on GFS

2008-06-05 Thread Jens Hoffrichter
Hello everyone, I hope this is the correct mailing list to post this problem on. I'm seeing some weird behaviour with the pop3 daemon on a GFS HA cluster with load balancing. The general situation is as follows: I have 3 servers here, everyone installed with CentOS 5.1 and the latest RedHat

Re: Problems with load balancing cluster on GFS

2008-06-05 Thread Jorey Bump
Jens Hoffrichter wrote, at 06/05/2008 04:03 PM: At first I thought that this was a problem related to entropy, but it even persisted after I turned off allowapop, and unconfigured everything relating to TLS (as SSL/TLS will be handled completely by the perdition, we don't need it) To rule it