[horde] Problem of slow with server-side sorting

Ronan SALMON rsalmon at mbpgroup.com
Fri Jun 5 12:04:20 UTC 2009



  

Ronan SALMON
MBP 

Michael M Slusarz <slusarz at horde.org> a écrit :

> Quoting Ronan SALMON <rsalmon at mbpgroup.com>:
>
>> with 200-300 concurrent users having about 1000 email in their
>> inbox, data for those concurrent sessions can't fit into 1G of RAM,
>> no ?
>
> Sure it can.  Session data in IMP 4 takes up on average about 100 K
> per user.  And if using file-based sessions (the default), most of
> this data lives on disk anyway.  With 200-300 concurrent users,
> realistically only 5-10 are hitting the server at any one time.

My comment wasn't really clear. By session, I meant  IMP's session, mysql queries,... and mainly imap reading a huge mailbox. If the server is short of physical memory, then nothing will fit (and stay long enough) in the server's memory cache.

Ronan.


More information about the horde mailing list