Re: Standalone mode & performance

Hi,
I have read the GUIDE.pdf file about Performance and Server Mode but I did 
not understand how can I make a fast upgrade to server mode, I have some 
doubts also because it is a production server.
Thanks in advance.

------

   Salvatore.



----- Original Message ----- 
From: "Randall Gellens" <[email protected]>
To: "Sasa" <[email protected]>; "Subscribers of Qpopper" 
<[email protected]>
Sent: Thursday, July 17, 2008 6:55 PM
Subject: Re: Standalone mode & performance


> At 10:45 PM +0200 7/8/08, Sasa wrote:
>
>>  Hi, I use Qpopper 4.0.9 on Fedora Core 5 and hardware resource are:
>>
>>  CPU: Intel Xeon 3.00 GHz
>>  Memory: 3 GB RAM
>>  Disk: two hard disk from 72.8 GB/10.000 RPM/WIDE ULTRA320 SCSI in RAID 1
>>
>>  I have about 700 users and from a few days I have a dramatic perfomace 
>> problem because in some hours the queue increase in excess mode and I 
>> have more 800 mails in spool directory !I use qpopper in standalone mode 
>> and I use -s -R options:
>>
>>  [root@mail ~]# ps -ax|grep popper
>>  19147 ?        S      0:00 /usr/local/sbin/popper -s -R
>>
>>  ..if popper service is stopped the queue are emptied in a few minutes.
>>  I have read the documentation about 'Perfomance' but I haven't solution 
>> for my problem, What can I do to solve my problem ?
>>  Thanks in advance.
>
> When you say you are experiencing "queue increase" you mean that incoming 
> mail builds up and is not delivered?
>
> Is your system CPU-limited, memory-limited, or I/O-limited?  That is, if 
> you use any kind of performance monitor, even just 'top', do you see high 
> load average and no idle CPU?  Or, are you seeing excessive pageouts?
>
> Also, have you tried enabling server mode?  As long as your users don't 
> access their mail using any sort of local program, it should be OK.  You 
> can try also setting fast-update.  See the "Performance" and "Server Mode" 
> text in the GUIDE.pdf file.
>
> -- 
> Randall Gellens
> Opinions are personal;    facts are suspect;    I speak for myself only
> -------------- Randomly-selected tag: ---------------
> Experience is that marvelous thing that enables you recognize a
> mistake when you make it again.
>