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PostPosted: Sun Jan 19, 2014 4:10 pm 
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Joined: Fri Aug 09, 2013 8:58 pm
Posts: 33
Hi guys,

I apologize for not being able to reply. It has been crazy the past 2 weeks, but now the problem is finally resolved.

I contacted Linode Support, they moved my site to another host, cause it seemed to have some great amount of CPU steals. The problem reminded, so they moved it again. After the 2nd move, My site is finally back to normal (about 1-2 hours after the migration).

However, I was doing crazy updates (wanted to find out what the problem was) during the whole process, so to be honest, I can't tell what fixed it. Maybe both.

Anyway, thank you guys for your great great help. I really appreciate it.

Thanks!

Allen


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PostPosted: Sat Jan 25, 2014 8:04 pm 
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Joined: Sat Jan 12, 2013 8:04 am
Posts: 36
Website: http://www.paulthomson.me
Location: Global
CPU steal is probably not the *root* of your cause. You may experience this problem again, going for a server migration with linode is not the best solution.

If your kjournal is constantly high you might want to check what is being written to disk (maybe cached files)? This can cause a big IO bottleneck and seriously slow down your site.

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PostPosted: Sat Jan 25, 2014 8:13 pm 
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Joined: Sun May 23, 2010 1:57 pm
Posts: 315
Website: http://www.jebblue.net
livefree wrote:
CPU steal is probably not the *root* of your cause. You may experience this problem again, going for a server migration with linode is not the best solution.

If your kjournal is constantly high you might want to check what is being written to disk (maybe cached files)? This can cause a big IO bottleneck and seriously slow down your site.


A server migration worked for me once too, must have been someone's VM hogging the system it was on.


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PostPosted: Mon Jan 27, 2014 11:38 am 
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Joined: Thu Jul 12, 2012 3:55 pm
Posts: 133
Website: http://www.amitywebsolutions.co.uk
Not really helpful, but we find Wordpress uses a lot of resources so don't use it. The few WP sites we have adopted use far more resources than other non-Wordpress sites. These sites have the cache plugins recommended, but still slow and resource intensive. So we just dont bother using Wordpress for our customers. Of course, if you are not a web developer then its a great system to get online and manage it yourself, but with that ease of install/use/plugins will come other negative factors.

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PostPosted: Fri Feb 21, 2014 11:57 pm 
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Joined: Fri Aug 09, 2013 8:58 pm
Posts: 33
livefree wrote:
CPU steal is probably not the *root* of your cause. You may experience this problem again, going for a server migration with linode is not the best solution.

If your kjournal is constantly high you might want to check what is being written to disk (maybe cached files)? This can cause a big IO bottleneck and seriously slow down your site.


Yep, it still happens when the traffic is high. I keep seeing high CPU steal as well...which almost looks like another migration is needed? It's very frustrating to see the site went offline when the site just went viral. While I am still trying to fix it, are there any firms that would optimize your site for you? I googled some keywords but only ended up with some spammy websites.


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PostPosted: Sat Feb 22, 2014 1:07 pm 
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Website: http://hemonc.org/wiki/Main_Page
Allen, I can refer you to a person who helped me with some work. I found him to be professional, reliable, and competent. Just let me know if I should reach out to him to see if he is available to do the job. I do wonder though if your site is just too popular for the current configuration.

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Amateur, eager to learn.
My hematology, oncology, and chemotherapy regimen wiki


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PostPosted: Sun Feb 23, 2014 5:30 pm 
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Joined: Fri Aug 09, 2013 8:58 pm
Posts: 33
yaz wrote:
Allen, I can refer you to a person who helped me with some work. I found him to be professional, reliable, and competent. Just let me know if I should reach out to him to see if he is available to do the job. I do wonder though if your site is just too popular for the current configuration.

Hi Yaz,

Thank you. I contacted Linode Support and did another two migrations (first one made things worse, still waiting to see the performance after the 2nd migration). I will keep this in mind and will let you know if I need help.

Thanks!

Allem


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