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  1. #1

    How to Reduce the High CPU usage

    currently i'm on a VPS and i see high CPU usage on [php] <defunct> like 70%80% also i have vbseo and VBulletin any suggestions to decrease that will be great thanks.

  2. #2
    Join Date
    Apr 2011
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    74
    Is this a cpanel vps?

  3. #3
    Join Date
    Nov 2010
    Posts
    230
    What provider? cPanel? Specs? More info?

  4. #4
    it is cpanel

  5. #5
    Join Date
    Jun 2001
    Location
    Texas
    Posts
    1,234
    Does your VPS provider offer management? If so your provider may be able to assist and or recommend various things / optimization / tweaking to reduce your CPU usage.
    ThePrimeHost LLC - Serving Our Clients Since 2001.
    Reseller Hosting with End User Support and WHMCS.
    Fully Managed VPS with Cpanel and Dedicated Server Hosting.

  6. #6
    Quote Originally Posted by theprimehost View Post
    Does your VPS provider offer management? If so your provider may be able to assist and or recommend various things / optimization / tweaking to reduce your CPU usage.
    yes bro they tried everything but still it's same VBSEO causes the problem.

  7. #7
    Join Date
    Oct 2009
    Location
    England, United Kingdom
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    9,285
    Quote Originally Posted by GDMS View Post
    yes bro they tried everything but still it's same VBSEO causes the problem.
    vBSEO can use quite a lot of CPU, etc. Might just need upgrade spec CPU/memory wise.
    HostXNow - http://www.hostxnow.com | Since 2009
    Fast, Secure and Reliable [UK/USA] Web Hosting - Reseller Hosting - VPS Hosting
    cPanel/WHM CloudLinux (Multi PHP) Offsite Backups LiteSpeed TrendyTools Softaculous

  8. #8
    Hello,

    I have been facing exactly the same problem. I'm also on a VPS (VPSLatch), and have vBulletin + vBSEO. Today the server load reached upto 50+ (which normally stays around 0.5 - 1). I disabled all the Plug-ins GLOBALLY, However, the problem still persists. The VPS Management staff is still telling that vBSEO is the cause but howcome when all my plugins are globally disabled? I use around seven plug ins anyway. After this today's issue, I have strong feeling that vBSEO is NOT the ultimate cause. Also, It's important to note that I have been on the same VPS server since about a year and not faced much of problems so howcome all of sudden, when even traffic has marginal increase? I would like to hear some comments from REAL experts here.

    PS: Another thing to note is that memory usage always stays under control. It's mainly CPU load which drastically shoots up. So upgrading the RAM won't help either.

    Thanks.

  9. #9
    Join Date
    Oct 2009
    Location
    England, United Kingdom
    Posts
    9,285
    Quote Originally Posted by *VT* View Post
    Hello,

    I have been facing exactly the same problem. I'm also on a VPS (VPSLatch), and have vBulletin + vBSEO. Today the server load reached upto 50+ (which normally stays around 0.5 - 1). I disabled all the Plug-ins GLOBALLY, However, the problem still persists. The VPS Management staff is still telling that vBSEO is the cause but howcome when all my plugins are globally disabled? I use around seven plug ins anyway. After this today's issue, I have strong feeling that vBSEO is NOT the ultimate cause. Also, It's important to note that I have been on the same VPS server since about a year and not faced much of problems so howcome all of sudden, when even traffic has marginal increase? I would like to hear some comments from REAL experts here.

    PS: Another thing to note is that memory usage always stays under control. It's mainly CPU load which drastically shoots up. So upgrading the RAM won't help either.

    Thanks.
    Maybe the node is overloaded causing high disk IO/abusive users, etc. Could be DDoS attacks. It could be anything. Only HostDime/VPSLatch will know the real reason. If you don't believe them, you can try another host that offers a 30 Day Money Back guarantee to test it on a different setup.
    HostXNow - http://www.hostxnow.com | Since 2009
    Fast, Secure and Reliable [UK/USA] Web Hosting - Reseller Hosting - VPS Hosting
    cPanel/WHM CloudLinux (Multi PHP) Offsite Backups LiteSpeed TrendyTools Softaculous

  10. #10
    Join Date
    Apr 2011
    Posts
    74
    If you have not updated your scripts ( VB + Plugins : a new version could bring in some bugs etc ) + no traffic increase + when you disable the plugins the cpu load remains high...then my opinion is that there is another guy ( VPS ) or tasks on the main node that create issues or even a software/hardware issue on the main node itself. I'm not a "real" expert...just my opinion.

  11. #11
    Join Date
    Jun 2001
    Location
    Texas
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    1,234
    Quote Originally Posted by GDMS View Post
    yes bro they tried everything but still it's same VBSEO causes the problem.
    As HostX stated, it may be time to upgrade to something with more powerful specs, a higher end VPS (perhaps Xen based) or perhaps a dedicated server.
    ThePrimeHost LLC - Serving Our Clients Since 2001.
    Reseller Hosting with End User Support and WHMCS.
    Fully Managed VPS with Cpanel and Dedicated Server Hosting.

  12. #12
    Quote Originally Posted by *VT* View Post
    Hello,

    I have been facing exactly the same problem. I'm also on a VPS (VPSLatch), and have vBulletin + vBSEO. Today the server load reached upto 50+ (which normally stays around 0.5 - 1). I disabled all the Plug-ins GLOBALLY, However, the problem still persists. The VPS Management staff is still telling that vBSEO is the cause but howcome when all my plugins are globally disabled? I use around seven plug ins anyway. After this today's issue, I have strong feeling that vBSEO is NOT the ultimate cause. Also, It's important to note that I have been on the same VPS server since about a year and not faced much of problems so howcome all of sudden, when even traffic has marginal increase? I would like to hear some comments from REAL experts here.

    PS: Another thing to note is that memory usage always stays under control. It's mainly CPU load which drastically shoots up. So upgrading the RAM won't help either.

    Thanks.
    you said it well.in this case i never recommend vbseo with VPS.perhaps with dedicated yes it will be fine.this is kind of major issue.even vbseo staff not ready to help any more with this issue.memory is 1GB but still nothing any issue with the memo.but we tried with 5 cpu added but still remain the same issue.any experts here please give us some advice thanks.

  13. #13
    Quote Originally Posted by HostXNow View Post
    vBSEO can use quite a lot of CPU, etc. Might just need upgrade spec CPU/memory wise.
    actually we didn't get any issue with memory it's perfectly controlled.and VBSEO script we optimized very well.but still the CPU shows very high usage on vbseo.php.

  14. #14
    Quote Originally Posted by HostXNow View Post
    Maybe the node is overloaded causing high disk IO/abusive users, etc. Could be DDoS attacks. It could be anything. Only HostDime/VPSLatch will know the real reason. If you don't believe them, you can try another host that offers a 30 Day Money Back guarantee to test it on a different setup.
    we have changed the node as well but same issue.I don't think it is DDos but all problem with VBSEO.They are not giving proper answer to optimized the server.as a paid product pissed me off.

  15. #15
    Quote Originally Posted by MBGear View Post
    If you have not updated your scripts ( VB + Plugins : a new version could bring in some bugs etc ) + no traffic increase + when you disable the plugins the cpu load remains high...then my opinion is that there is another guy ( VPS ) or tasks on the main node that create issues or even a software/hardware issue on the main node itself. I'm not a "real" expert...just my opinion.
    everything are up to date trust me.

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