[Dovecot] index file vs. memory

Tue Feb 21 21:15:29 EET 2006

Am Dienstag, 21. Februar 2006 17:14, schrieb Johannes Berg:
> It's just mmapped files:
> 20426 gunter     9   0  185m  15m  960 S  0.2 26.1  68:21.00 imap
> See, it's only using 15m real memory, the rest (170m) is virtual --
> mmap()ed files.

No, it was paging madly, the box has only 64 MB physical RAM, so it has no 
choice but to start trashing if a process grows like this.

In "test2" the RSS is 25 MB, which is about the maximum a single process 
can get, there's always a bit cached and buffered, besides the other 
processes.

Greetings,

  Gunter

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