> On Nov 28, 2009, at 3:21 AM, Aravind Divakaran wrote: > >> We have upgraded the dovecot from 1.0 to 1.2.8. After >> upgradation we have noticed that dovecot deliver process is utilizing a >> lot >> of CPU. As a result the mailsystem will stop working. When we limit the >> no >> of procs in postfix for dovecot deliver the CPU usage will come down. >> But >> we are not facing this problem with the previous version. Below is the >> log >> files for dovecot when the error occurs > > You mean a single deliver process can run a long time with 100% CPU? > Getting a strace of the process could be helpful.
Yes, dovecot deliver process is eating a lot of CPU. please find my strace output on the below link. http://pastebin.com/m6965f4ab > >> write_full(/home/vmail/dhanbank.co.in/vinukumarvm/temp.server.be3e5a849a909847) >> failed: No space left on device >> dovecot: deliver(u...@example.com): >> stat(/tmp/Dovecot Delivery Mail) failed: No space left on device >> >> But my >> system has 54gb of free space for root filesystem where tmp residing. >> Can >> anyone help me to solve this issue. > > The /tmp/ part is wrong, I should get that fixed probably. Is there space > in /home/vmail? Or do you use filesystem quotas? (I see you're also using > Maildir++ quotas.) > My home partition has 353gb of free space. I am using maildir quota not using filesystem quota.