Hi Andrew, Thanks for the quick answer. I greatly appreciate it.
I have already done all these checks and there are actually more than 2000 valid users trying to connect from different IP addresses. Fabio On 31 July 2014 19:49, Andrew Morgan <mor...@orst.edu> wrote: > On Thu, 31 Jul 2014, Fabio S. Schmidt wrote: > > Hi ! >> >> I'm trying to fix an environment which has been growing without proper >> attention. >> >> There are about 7000 inboxes but only 5000 are active and the maxchilds >> parameter is set as "2000" causing a lot of timeouts when the clients try >> to connect. I thought as a first approach trying to increase this >> parameter. >> >> I have noticed that even with the "maxchilds" parameter set as "2000" >> there >> are about 2020 processes open, is this behaviour normal? The version in >> use is 2.4.12. >> > > Are there really 2000+ IMAP clients trying to connect? Try "ps -ef | grep > imapd | wc -l". > > It's also possible that there is an IMAP client running wild, making > hundreds of connections. The output of "netstat -nt" might show you if > there are a lot of connections from a single IP address. > > If you really need to allow more connections, increase the maxchilds > parameter. Beware that you don't overload the server, either with too much > I/O or not enough RAM available! :) > > Andy > -- My best regards, Fabio Soares Schmidt Linux Professional Institute - LPIC-3 Microsoft Certified Technology Specialist: Active Directory
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