High Server loads after upgrade

kes4j · March 23rd, 2006, 12:48 AM

I just upgraded from a

Pentium 4, 2.8Mhz
Memory: 1024MB DDR System Memory Storage: Single 80GB Hard Drive Transfer: 1,200 GB per month IP Addresses: 4 :: Private VLAN

to a

AMD Dual Opteron 244 1MB Cache
Memory: 1024 MB DDR (1GB) ECC System Memory Storage: Single 120GB SATA Hard Drive Transfer: 1,200 GB per month

I thought this would be a good move since my site had gotten popular and was highly reliant on php to deliver its content. Yet now my server load has increased tremendously and both I and the support team can't figure out why the Zend optimizer isn't loading under my php config.

I've read that the CentOs operating system has had bugs when running in x64 mode that causes high memory use and server loads.

Recently my load now has never fallen below .5 for 2 cpus even when I am the only user on the system and it has peaked at 64 and crashed the http server.

So I'm turning to you, the community, to ask your thoughts on this.

What can I do to gain performance if upgrading the hardware doesn't work out... or what can I do to make the hardware work to my need?

**Brandonnn** · March 23rd, 2006, 12:50 AM

uh oh.. i hope that gets worked out.. i just moved to the same dedi config this month with dual hd. interesting.

kes4j · March 23rd, 2006, 12:52 AM

Well if you're not having problems...what might be the difference?

Do you not use any modules that use Zend encoding or does your site not require php and a high number of mysql calls?

**Brandonnn** · March 23rd, 2006, 1:00 AM

like i said i just switched over to that config this month(2days ago). I don't have any modules that use zend, but my site does require php and a high number of mysql calls. I haven't had any issues as of yet, but i did notice a spike yesterday of .24 for about 10 minutes. Not sure what could have caused it considering I haven't migrated my entire mysql db.

I'm sure that the issue you're having right now will get solved though. Tons of brilliant minds on this forum. I'm just not one of them, right now.

kes4j · March 23rd, 2006, 1:02 AM

Gotcha. It's my first high end server so I'm looking forward to having a success with it.

It's just frustatrating that the move didn't go as well as I would have expected.

**Emmanuel** · March 23rd, 2006, 1:04 AM

Kes,

and cowsource sorry I didn't ask before hand

but this is cowsource load right now

root

server [~]# uptime
00:03:16 up 2 days, 10:03, 1 user, load average: 0.00, 0.00, 0.00
root

server [~]#

Kes, I know it has been a long day for you but if the OS you have now don't work out we will figure something out, where did you read that about centos can you give me the direct link please I haven't heard of this

kes4j · March 23rd, 2006, 1:20 AM

It was a vbulletin forum: http://www.vbulletin.com/forum/showthread.php?t=171071

Even though I don't use vbulletin, their forums turn out to be a great source for generalized tech advice.

**Emmanuel** · March 23rd, 2006, 1:35 AM

I am going to try something really quick am gonan take down your server for about 20 minutes

**Kayla** · March 23rd, 2006, 1:47 AM

This should be good.

March 23rd, 2006, 12:48 AM	#1 (permalink)
kes4j Registered User Fresh Surpasser Joined in Feb 2006 6 posts Gave thanks: 0 Thanked 0 times	High Server loads after upgrade I just upgraded from a Pentium 4, 2.8Mhz Memory: 1024MB DDR System Memory Storage: Single 80GB Hard Drive Transfer: 1,200 GB per month IP Addresses: 4 :: Private VLAN to a AMD Dual Opteron 244 1MB Cache Memory: 1024 MB DDR (1GB) ECC System Memory Storage: Single 120GB SATA Hard Drive Transfer: 1,200 GB per month I thought this would be a good move since my site had gotten popular and was highly reliant on php to deliver its content. Yet now my server load has increased tremendously and both I and the support team can't figure out why the Zend optimizer isn't loading under my php config. I've read that the CentOs operating system has had bugs when running in x64 mode that causes high memory use and server loads. Recently my load now has never fallen below .5 for 2 cpus even when I am the only user on the system and it has peaked at 64 and crashed the http server. So I'm turning to you, the community, to ask your thoughts on this. What can I do to gain performance if upgrading the hardware doesn't work out... or what can I do to make the hardware work to my need?

March 23rd, 2006, 12:50 AM	#2 (permalink)
Brandonnn pineapples are sharp Super #1 Joined in Dec 2005 5,773 posts Gave thanks: 147 Thanked 151 times	uh oh.. i hope that gets worked out.. i just moved to the same dedi config this month with dual hd. interesting. __________________ poof

March 23rd, 2006, 1:00 AM	#4 (permalink)
Brandonnn pineapples are sharp Super #1 Joined in Dec 2005 5,773 posts Gave thanks: 147 Thanked 151 times	like i said i just switched over to that config this month(2days ago). I don't have any modules that use zend, but my site does require php and a high number of mysql calls. I haven't had any issues as of yet, but i did notice a spike yesterday of .24 for about 10 minutes. Not sure what could have caused it considering I haven't migrated my entire mysql db. I'm sure that the issue you're having right now will get solved though. Tons of brilliant minds on this forum. I'm just not one of them, right now. __________________ poof

March 23rd, 2006, 1:04 AM	#6 (permalink)
Emmanuel CTO, Surpass Hosting Super #1 Joined in Apr 2003 Lives in Florida 1,823 posts Gave thanks: 10 Thanked 134 times	Kes, and cowsource sorry I didn't ask before hand but this is cowsource load right now rootserver [~]# uptime 00:03:16 up 2 days, 10:03, 1 user, load average: 0.00, 0.00, 0.00 rootserver [~]# Kes, I know it has been a long day for you but if the OS you have now don't work out we will figure something out, where did you read that about centos can you give me the direct link please I haven't heard of this __________________ Emmanuel :: Surpass Hosting Network Admin http://www.SurpassHosting.com

March 23rd, 2006, 1:35 AM	#8 (permalink)
Emmanuel CTO, Surpass Hosting Super #1 Joined in Apr 2003 Lives in Florida 1,823 posts Gave thanks: 10 Thanked 134 times	I am going to try something really quick am gonan take down your server for about 20 minutes __________________ Emmanuel :: Surpass Hosting Network Admin http://www.SurpassHosting.com

March 23rd, 2006, 12:52 AM	#3 (permalink)
kes4j Registered User Fresh Surpasser Joined in Feb 2006 6 posts Gave thanks: 0 Thanked 0 times	Well if you're not having problems...what might be the difference? Do you not use any modules that use Zend encoding or does your site not require php and a high number of mysql calls?

March 23rd, 2006, 1:02 AM	#5 (permalink)
kes4j Registered User Fresh Surpasser Joined in Feb 2006 6 posts Gave thanks: 0 Thanked 0 times	Gotcha. It's my first high end server so I'm looking forward to having a success with it. It's just frustatrating that the move didn't go as well as I would have expected.

March 23rd, 2006, 1:20 AM	#7 (permalink)
kes4j Registered User Fresh Surpasser Joined in Feb 2006 6 posts Gave thanks: 0 Thanked 0 times	It was a vbulletin forum: http://www.vbulletin.com/forum/showthread.php?t=171071 Even though I don't use vbulletin, their forums turn out to be a great source for generalized tech advice.

March 23rd, 2006, 1:47 AM	#9 (permalink)
Kayla Marketing Maven Surpass Staff Joined in May 2003 Lives in Orlando 24,749 posts Gave thanks: 946 Thanked 806 times	This should be good. __________________ Follow Surpass on Twitter and Facebook Check out the Surpass Blog

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