[Dovecot] v1.1 status and benchmarks

Farkas Levente lfarkas at bppiac.hu
Thu Jul 12 14:39:44 EEST 2007


Timo Sirainen wrote:
> v1.1 plans have changed a bit. I'll release v1.1.alpha1 soon and hope to
> have a stable v1.1 in a month or two. The rest of the features that
> didn't make it into v1.1 will go to v1.2. I'll write more about this
> when v1.1 alpha is released.
> 
> I also did a bit of benchmarking. v1.1's performance improvements are
> looking pretty great, it seems to be twice as fast as v1.0.
> 
> v1.0: Maildir, dovecot-1.0 hg + inotify dotlock wait patch, mmap_disable=yes
> v1.1: Maildir, dovecot hg, mmap_disable=no
> cydir: Cydir, dovecot hg, mmap_disable=no
> 
> 1 client
> --------
> 
> ./imaptest logout=0 seed=1 secs=10 clients=1
>       Logi List Stat Sele Fetc  Fet2 Stor Dele Expu Appe 
>       100%  50%  50% 100% 100%  100%  50% 100% 100% 100% 
>          		         30%                  5% 
> v1.0:    1 1221 1179    1 2420  3458  323 1934 2419 2552 
> v1.1:    1 2606 2597    1 5221  7352  688 4181 5221 5489 
> cydir:   1 4495 4534    1 8960 12786 1216 7224 8959 9434 
> 
> 10 clients
> ----------
> 
> ./imaptest logout=0 seed=1 secs=10 clients=10
>       Logi List Stat Sele  Fetc  Fet2 Stor  Dele  Expu  Appe 
>       100%  50%  50% 100%  100%  100%  50%  100%  100%  100% 
>                                   30%                     5% 
> v1.0:   10 2058 2102   10  4157  6019 1426  3348  4157  4391 
> v1.1:   10 5029 5072   10 10064 14352 3176  8092 10064 10624 
> cydir:  10 6332 6393   10 12664 17965 3958 10154 12663 13336 

what is cydir? dovecot suppurt cydir format or it's cyrus speed?
if it's dovecot cydir support so fast will the v.x.y be ever so fast? or
it'd be better to use/switch to cydir?
is there any converter script?


-- 
  Levente                               "Si vis pacem para bellum!"


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