On 4/21/2012 4:52 AM, Jan-Frode Myklebust wrote:
> On Thu, Apr 19, 2012 at 07:31:13PM -0500, Stan Hoeppner wrote:
>>
>> This issue has come up twice on the Postfix list in less than a month.
>
> Oh, thanks! I'll look into those list posts.. I had mostly given up
> solving this by rate limits and d
On Thu, Apr 19, 2012 at 07:31:13PM -0500, Stan Hoeppner wrote:
>
> This issue has come up twice on the Postfix list in less than a month.
Oh, thanks! I'll look into those list posts.. I had mostly given up
solving this by rate limits and decided to throw hardware at the problem
when I saw the lo
On 4/19/2012 4:40 AM, Stan Hoeppner wrote:
> On 4/17/2012 8:01 AM, Frank Bonnet wrote:
>
>> have 4000/6000 imaps concurent connections during working hours .
for approx 50K "intensives" users.
The only mandatory thing will be I must use HP proliant servers
The operating s
On 4/17/2012 3:08 PM, Jan-Frode Myklebust wrote:
> Our struggle is the number of
> iops we're able to get from the backend storage (IBM DS4800), mostly
> a problem when we have storms of incoming marketing messages in addition
> to the pop/imap traffic.
This issue has come up twice on the Postfix
On 4/17/2012 8:01 AM, Frank Bonnet wrote:
> have 4000/6000 imaps concurent connections during working hours .
>
> POP3 users will be very few
How much disk space do you plan to offer per user mail directory? Will
you be using quotas?
>>> I need some feedbacks advices of experienced admins
>>>
On Tue, Apr 17, 2012 at 10:10:02AM -0300, Mauricio López Riffo wrote:
>
> 1M = 1 milion ?
976508 to be exact :-) but it's very much a useless number. Lots and lots
of these are inactive. A better number is probably that we're seeing
about 80 logins/second for the last hour.. (just checked now, no
> Here we have approx. 200K users with 4000 concurrent connections
> (90% POP3 users) All servers in virtual environment Vmware, supermicro
> servers and Netapp Metrocluster storage solutions (nfs storage with 10G
> ethernet network) POP3 sessions take betwen 40 and 300 milisecons at
Jan,
How do you measure "concurrent" POP3 users?
We use cacti for metrics like concurrent connections or pop3 delay and
Zabbix for alarms.
What mailbox-format are you using? Do you have a director, or accounts
sticky to a server some other way?
Maildir like a mailformat and currently
hello
Thanks for your answer , MY problem will be IMAPS connections
I dunno how much I will have but it would be possible that we'll
have 4000/6000 imaps concurent connections during working hours .
POP3 users will be very few
Le 17/04/2012 13:54, Mauricio López Riffo a écrit :
Frank,
He
On Tue, Apr 17, 2012 at 08:54:15AM -0300, Mauricio López Riffo wrote:
>
> Here we have approx. 200K users with 4000 concurrent connections
> (90% POP3 users)
How do you measure "concurrent" POP3 users?
> All servers in virtual environment Vmware,
> supermicro servers and Netapp Metrocluster
Frank,
Here we have approx. 200K users with 4000 concurrent connections
(90% POP3 users) All servers in virtual environment Vmware, supermicro
servers and Netapp Metrocluster storage solutions (nfs storage with 10G
ethernet network) POP3 sessions take betwen 40 and 300 milisecons at
con
Hello
I need some feedbacks advices of experienced admins
I will have to setup in few monthes an email system
for approx 50K "intensives" users.
The only mandatory thing will be I must use HP proliant servers
The operating system will be FreeBSD or Linux
Thank you for any advices
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