how many users can Cyrus server support? -- is 5.5 msg/sec sl ow?

[Jeremy Rumpf]

On Thursday 26 September 2002 23:37 pm, Su Li wrote:
> Oh man! you really did a lot to improve the the performance.
>
> I will for sure need to look into lmtpd temp file. So far I don't think
> Sendmail is a bottle neck, may be later it will be.
>
> RAID 5 is the slowest one, if I didn't remember wrong. I am using RAID 0,
> with no protection at all. I think your idea of mount a temp file system is
> good. But I not sure how to do that on Linux.
>
> Thank you so much for your help.
>
> If I can come up with some thing new, I 'll share with every body in the
> mailing list too.
>
> Su
>

RAID 0 will be faster than RAID 5. No parity, equal sriping across the drives. 
Best perfomance with protection would be RAID 0+1.

As for tmpfs on Linux, good tutorial/article:

http://www-106.ibm.com/developerworks/library/l-fs3.html

Jeremy