How to use the new IOPS feature
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  1. Scott Neader
  2. 02.12.2015
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iops
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  1. 02.12.2015 16:12:27
  2. # 1
Scott Neader Accepted Answer
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The "documentation" for the new IOPS Limits is exactly two sentences long:
http://docs.cloudlinux.com/index.html?iops_limits.html
IOPS limits restrict the total number of read/write operations per second. When the limit is reached the read/write operations stop until current second expires.
I'm looking for how to properly configure this new setting.  For example, let's say we currently have an IO limit of 4MBps (thus a setting of 4096, since it's in KB)... what is a reasonable IOPS setting?

I found one website that suggests that a good value in this scenario would be 1024 (since each io is 4KB x 1024 IOPS = 4096 KBps)
http://wiki.mikejung.biz/CloudLinux#CloudLinux_IOPS_Limit
If each IO is 4KB (pretty common with most Linux File systems), you are also setting the throughput, or io limit covered in the section below. 1000 IOPS @ 4KB block size per request equals about 4000KB/s or 4MB/s
Unfortunately, when trying to set IOPS to 1024, the customer sees something VERY strange in cPanel:




Thus... my question... how do we use this feature properly?

- Scott
  1. 03.12.2015 16:12:42
  2. # 2
Scott Neader Accepted Answer
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My guess is that IOPS is being displayed as Bytes instead of KiloBytes?
  1. 04.12.2015 09:12:06
  2. # 3
Scott Neader Accepted Answer
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Bogdan, the question is really... how do we use the feature?  There is no documentation.  Is IOPS set as bytes or kilobytes? What is a realistic number to use, for whatever setting you currently have as a Disk IO limit?

Any type of information would be good.  I just find it hard to believe the feature was released, but there is no documentation as to how to use it.

- Scott
  1. 06.02.2016 09:02:02
  2. # 4
Chuck Charleston Accepted Answer
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I have this same issue on my servers with it showing /1024. It is quite misleading to the customers and I have fairly often tickets about this asking if they are exceeding a limit. Maybe we could have an option to hide this in Cpanel?
  1. 09.03.2020 09:03:23
  2. # 5
Marcy Accepted Answer
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I have this same issue on my servers with it showing /1024.
  1. 10.03.2020 09:03:08
  2. # 6
Sergey Khristich Accepted Answer
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I have this same issue on my servers with it showing /1024.

Hello Marcy,
Thank you for reaching out! Could you provide a little more information? And we will answer you as quickly as possible.
Thanks.
Marketing Manager
  1. 14.04.2020 05:04:11
  2. # 7
Geraldine Accepted Answer
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Lately I’ve seen a lot of talk about IOPS, we need as many as possible and as such we are constantly on the look out for new ways to boost performance. No matter what kind of infrastructure we build, virtual or physical, or what ever products we use, in the end it all comes down to the end user experience
  1. 14.04.2020 10:04:00
  2. # 8
Sergey Khristich Accepted Answer
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Hello Geraldine,
Thank you for reaching out! Perhaps the information in our documentation will be useful here
https://docs.cloudlinux.com/limits/#iops
https://docs.cloudlinux.com/lve_manager/#reseller-limits
If you require any further information, let me know. Thank you.
Marketing Manager
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