Hardware requirement

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1566Nic
Posts: 17
Joined: Fri Sep 12, 2014 11:24 pm

Hardware requirement

Postby 1566Nic » Wed Jan 06, 2010 8:42 am

Hello all,
I'm planning to implement Zimbra server on CentOS5 for 2000 users (about 15000 incoming mails and 8000 outgoing mails)
I'm still hesitate between two hardware config :
HP ProLiant DL380 G6 server with 2 x Intel X5560 (4 Core @2.8Ghz) + 8 GB Ram + 2 x 300 GB SAS Raid1
or
HP ProLiant DL38 G6 server with 2 x AMD Opteron 2435 (6 Core @2.6Ghz) + 8 GB RAM + 2 x 300 GB SAS Raid1
Actually with about 1300 users and only Intel 2 Core @3Ghz , I have a load average around 10 or more. So I dont know if I should buy a very effective proc (Intel) or if I should have more core as possible (AMD).
Thanks in advance (and happy new year !)


phoenix
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Hardware requirement

Postby phoenix » Wed Jan 06, 2010 8:50 am

You should use RAID10 for performance with that many users.
Regards

Bill

Rspamd: A high performance spamassassin replacement

If you'd like to see this implemented in a future version of ZCS then please vote on Bugzilla entries 97706 & 108168
1566Nic
Posts: 17
Joined: Fri Sep 12, 2014 11:24 pm

Hardware requirement

Postby 1566Nic » Wed Jan 06, 2010 9:09 am

Thank you for the advice :) So I will buy 2 more HD.
But about processor question, have you any idea or personnal feeback ?
klinet
Posts: 19
Joined: Fri Sep 12, 2014 10:38 pm

Hardware requirement

Postby klinet » Wed Jan 06, 2010 9:23 am

I have an HP DL380 G5 with 500 users and the processor usage is very low, under 10%. The 12 GB of RAM in the server is not enough, I am looking to add more. Right now the server is using 11778MB of RAM. If more RAM is in your budget I would recommend get as much as you can.
phoenix
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Posts: 26284
Joined: Fri Sep 12, 2014 9:56 pm
Location: Liverpool, England

Hardware requirement

Postby phoenix » Wed Jan 06, 2010 9:27 am

[quote user="klinet"]The 12 GB of RAM in the server is not enough, I am looking to add more. Right now the server is using 11778MB of RAM.[/QUOTE]Linux will always use most of the RAM rather than disk, are you sure that ZImbra is using all that RAM?
Regards

Bill

Rspamd: A high performance spamassassin replacement

If you'd like to see this implemented in a future version of ZCS then please vote on Bugzilla entries 97706 & 108168
klinet
Posts: 19
Joined: Fri Sep 12, 2014 10:38 pm

Hardware requirement

Postby klinet » Wed Jan 06, 2010 9:30 am

43% is Java as Zimbra user

25% is MySQL as Zimbra user
1566Nic
Posts: 17
Joined: Fri Sep 12, 2014 11:24 pm

Hardware requirement

Postby 1566Nic » Wed Jan 06, 2010 9:54 am

[QUOTE]I have an HP DL380 G5 with 500 users and the processor usage is very low, under 10%..[/QUOTE]
Can you tell me what about load average please ?
[QUOTE]The 12 GB of RAM in the server is not enough, I am looking to add more. Right now the server is using 11778MB of RAM. If more RAM is in your budget I would recommend get as much as you can[/QUOTE]

Actually for 1200 user I have only 4 RAM GB totally used by Linux but 0 MB of Swap (??), so I supposed it is actually sufficient.

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