[Dovecot] rule of thumb for indexing overhead

[Scott Silva]

WJCarpenter spake the following on 8/22/2007 9:55 PM:
> I realize it's hard to be precise about this, but does anyone have a
> feel or rule of thumb for a couple of aspects of indexing overhead?
> 
> 1.  Proportionally, how much space does it take for all 4 files?  If I
> want to give my users a quota of 100 MB for messages, how much real
> space should I plan for so that I won't run out of space for indexing?
> 
> 2.  What's the overhead in rebuilding index files?  Suppose I use an
> LDA other than dovecot, so at least the INBOX index is frequently
> getting out of date.  Does it cost much (in CPU, memory, and disk IO)
> to rebuild the index files?  (I'm using maildir.)
> 
> 
You can always put the indexes in non-quota space like var. That way the
indexes don't get counted against the users files, and won't get corrupted if
a user goes over quota.

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