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CloudLinux LVE Limits Question
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Posted by SAHostKing, 09-27-2014, 08:09 AM Hey fellas, Got a quick one. Are these limits good? Seems around 20 or so customers our of 500 on one of our older servers are hitting Entry Processes limits on the Starter Plan. I know CloudLinux Documentation states 20 is ideal for normal sites. But we have ours on 30. Are we being very generous and clients plugins are causing this? Or should we increase it even more for each plan? Linux Starter / Reseller Starter Entry Processes (Concurrent) = 30 Virtual Memory = 1024MB Physical Memory = 1024MB CPU = 100% of 1 core Total Connections = 100 Linux Basic / Reseller Standard Entry Processes (Concurrent) = 40 Virtual Memory = 1024MB Physical Memory = 1024MB CPU = 100% of 1 core Total Connections = 100 Linux Standard / Reseller Business Entry Processes (Concurrent) = 50 Virtual Memory = 1024MB Physical Memory = 1024MB CPU = 100% of 1 core Total Connections = 100 Linux Business / Reseller Ultimate Entry Processes (Concurrent) = 60 Virtual Memory = 1024MB Physical Memory = 1024MB CPU = 200% of 2 cores Total Connections = 100
Posted by edigest, 09-27-2014, 11:41 AM 20 EPs should be a good limit for the vast majority of your customers. Occasionally, even low traffic sites will exceed 20 EPs but this is almost always due to a bad bot or a rude scan. In those cases, we try to educate the webmaster about those alerts. (And craft defenses against those scans and bots.) The key to managing EPs is to have an effective plan to combat bad bots, script kiddie scans and other attacks. You didn't ask, but ... You don't need to limit VMem (per CloudLinux documentation) and I think you will find that you can lower the amount of PMem considerably, especially on your entry level plan. Finally, you should set I/O limits. In my experience the default level is inadequate. Higher I/O (assuming you have a fast data bus) will reduce other resources and can actually lower server load during peak I/O periods. Last edited by edigest; 09-27-2014 at 11:47 AM. Reason: Added information ...
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