[Dovecot] 1.0(.14) vs 1.1.2 performance

[Timo Sirainen]

On Aug 5, 2008, at 9:43 AM, Thomas Hummel wrote:

> I just switched from dovecot-1.0.14 to dovecot-1.1.2 and noticed a  
> significant
> drop in the server load average (which has become lower and above  
> all doesn't
> seem to have unexplained peaks). Indexes are still locally stored  
> and nfs
> attribute caching is still off).
>
> I searched the list archives for an explanation of what changed in  
> the code
> that could explain such an improvement but mostly (except maybe some  
> index code
> rewrite mentions) found differences in features.
>
> Where does that performance gap come from ?

Do you use POP3? That should work better. There are also less reads/ 
writes to index files. And dovecot-uidlist is usually updated by  
appending to it instead of rewriting it.

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