[Dovecot] Design: Asynchronous I/O for single/multi-dbox
tss at iki.fi
Tue Mar 16 13:36:23 EET 2010
On Tue, 2010-03-16 at 11:16 +0100, Steffen Kaiser wrote:
> If I display a process map of an active imap process, I have:
> mapped: 2656K writeable/private: 460K shared: 300K
> Essentially you are talking about 460KB of KSM-able data.
> IMHO, all modern Unix-alike system just "map" code pages read-only into
> the process and share them among all processes. No KSM required at all.
Right. Code and mmaped pages (e.g. some of Dovecot index files) are
shared already. There's very little (if any) data that KSM could
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