Number of imap process increasing over time

[Dan White]

On 08/14/15 07:46 -0700, Shaheen Bakhtiar wrote:
>Rebuilt our IMAP server from scratch using Cyrus 2.4.17 on FC22 x86_64.
>The server is a single process 2.3GH 8 core AMD 64bit with 4G of memory.
>
>Ever since the rebuild we are experience an ever growing number of imapd
>processes, when we first boot the server we have ~200 using 2.4G of
>memory. In about 3 to 4 days we have ~1500 imapd processes taking up all
>available physical memory and all all available swap memory (an additional
>4G).
>
>and our logs are filled with messages like:
>Aug 14 06:26:01 postoffice kernel: Out of memory: Kill process 15427 (imapd) score 1 or sacrifice child
>Aug 14 06:26:01 postoffice kernel: Killed process 15427 (imapd) total-vm:179648kB, anon-rss:7756kB, file-rss:672kB

How many processes spawn is configurable within /etc/cyrus.conf. How do you
have your imap entries configured?

-- 
Dan White