On Wed, 8 Feb 2012, David Carter wrote:
> One small curiosity is that the memory use per IMAP session seems
> to have increased dramatically. I'm looking at the output of the
> Linux "free" command after buffer cache has been subtracted:
>
> 2.3.14: 2572296 KBytes with 2909 IMAP sessions: 884 KB
How to estimate the memory usage in cyrus imap 2.4.X ?
Mailbox size is Important ?
For example 5000 simultaneous IMAPS in mailboxes with 2Gb size.
How much memory is needed?
On Wed, Feb 8, 2012 at 10:02 PM, Robert Mueller wrote:
>
>
> > > It looks like 3000 IMAP sessions are going to tak
> > It looks like 3000 IMAP sessions are going to take around 8 GBytes
> > of RAM just to run, and we will need to buy additional RAM for
> > buffer cache. This isn't the end of the world: memory is cheap. I'm
> > just curious if anyone else saw a similar increase when upgrading
> > from 2.3 to 2.
On Wed, Feb 08, 2012 at 04:19:42PM +, David Carter wrote:
> We are currently in the process of migrating from 2.3.14 (with lots
> of local patches) to a fairly vanilla 2.4.13.
>
> One small curiosity is that the memory use per IMAP session seems
> to have increased dramatically. I'm looking at
David Carter wrote, on 08.02.2012 17:19:
> It looks like 3000 IMAP sessions are going to take around 8 GBytes of RAM
> just to run, and we will need to buy additional RAM for buffer cache. This
> isn't the end of the world: memory is cheap. I'm just curious if anyone
> else saw a similar increas
