Local Delivery Queue is slow

[sanjayacharya]

Hello,

I have a Community 11.04 on Redhat 4 , hardware is Pentium 4,2Gb , 500GB Sata mirrored.

I have about 800 Users, most of them connect using POP3.

Local delivery at times runs very slow some times there are about 1000 Mails in queue. Service router and Internet mail gateway queues are generally empty.

CPU usage is about 30% on an average..

Is there anything I can do to speed up the delivery.

Sanjay

[gren]

You may want to increase the number of auxiliary processes for local delivery (the default is zero).

To see how many you currently have do :

Code: Select all

omsetsvc -r 'local delivery'|grep 'Auxiliary'

To change the number to, say, 3 do :

Code: Select all

omoff -w -d0 'local delivery' # you can't change the number whilst it is running
omsetsvc -x 'local delivery' 3
omon-w -d0 'local delivery'

Regards,
Gren.

[sanjayacharya]

Gren,

This was already set to 3

Auxiliary processes = 3

Is there anything that I need to do.

This server has 2x500gb SATA in RAID 1, will taht be a problem.

I would like to upgrade the server if that is the problem.

Can you let me know if I get a better Hardware machine m install Redhat, install Scalix and do Rsync of my data , will that be goo enough or is there another process.

Sanjay

[sanjayacharya]

Another observation is that local delivery slows down during PST night time.
Are there any process running during this time that might be prevening local delivery
Sanjay

[gren]

omscan which does integrity checking may be doing its work at night and that would impact other Scalix processes. However, it is a good thing to run omscan regularly!

You could still try increasing the number of local delivery processes to more than 3 and see if that helps.

Better would probably be to get another 2 disks and do Raid 1+0 (mirrored and striped).
That is typically better for Scalix than Raid 5.

There are various forum posts about migrating Scalix to new hardware. There are issues that need to be addressed, particularly if you change the server name.

Regards,
Gren.

[mikethebike]

use "omqtstat -t" to see how the queue is actually performing.

fyi...to check aux processes use "omstat -s -p"

Mick