[SOLVED] Slow processing

[emcampos]

Given these specs;

============================
boss@mail2:~$ cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 2
model name : Intel(R) Pentium(R) 4 CPU 2.80GHz
stepping : 9
cpu MHz : 2793.155
cache size : 512 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 1
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe pebs bts sync_rdtsc cid xtpr
bogomips : 5589.63
clflush size : 64

processor : 1
vendor_id : GenuineIntel
cpu family : 15
model : 2
model name : Intel(R) Pentium(R) 4 CPU 2.80GHz
stepping : 9
cpu MHz : 2793.155
cache size : 512 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 1
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe pebs bts sync_rdtsc cid xtpr
bogomips : 5586.14
clflush size : 64

boss@mail2:~$

-==========================================

and at 50 users, our Zimbra server is very slow.

Why is this?

Anybody who can suggest how to speed it up?

Thanks

[fernandoflorez]

How much RAM memory does that box have?

[uxbod]

What do you mean by slow ? We would also require some information about your users usage; eg. Ajax web client ? POP3 ? IMAP3 ?

Also, would you update your profile with the output from

su - zimbra
zmcontrol -v

so we know which version of ZCS you are running. Plus the following

top
cat /proc/meminfo
free
vmstat

[emcampos]

Originally Posted by fernandoflorez

How much RAM memory does that box have?

512MB.

But this is just a test server.

The server suddenly improves when i restart Zimbra (zmcontrol stop/start).

Is this a bug with Zimbra?

It seems like java eats the CPU power a lot (94% at peak) when I send a test mail.

You may say that this is just a slow box,... but at 50 users why is it so slow and then it regains speed when restart via zmcontrol?


REFERENCE:

zmcontrol -v

Release 5.0.12_GA_2789.UBUNTU8 UBUNTU8 FOSS edition

[uxbod]

1GB memory if minimum for a development/evaluation server. Production you should be looking at 2GB with ideally 4GB this is documented in the ZCS requirements PDF.

[emcampos]

Okay.

Thanks.

By the way, could you please check this?

http://http://www.zimbra.com/forums/...a-relay-2.html

[phoenix]

Originally Posted by emcampos

512MB.

But this is just a test server.

The server suddenly improves when i restart Zimbra (zmcontrol stop/start).

Is this a bug with Zimbra?

No, it's a problem with the limited RAM on your system.

Originally Posted by emcampos

It seems like java eats the CPU power a lot (94% at peak) when I send a test mail.

You may say that this is just a slow box,... but at 50 users why is it so slow and then it regains speed when restart via zmcontrol?

That's because of the limited RAM, your configuration is way below the required specifications even for a test server. I'm not in the least bit surprised performance is poor, especially with fifty users on it.