[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.
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