How to tell websites I/O use

Gecko

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Hi everyone, I have a question that I have looked high and low for an answer for and couldn't find one. That question is what lead me to this forum.

I am wanting to know how I can tell what my websites I/O usage is for each individual website on my shared cPanel hosting.

I am getting lots of spikes in just the I/O usage and I want to see if it's 1 or 2 sites that are the culprits.

I haven't been able to find any information other than that of the total I/O usage for the entire account. I need to know the individual website use so that I can address the issue and get it resolved one way or another.

I have 8 websites hosted on this account and it always runs great, I just want to try to lower the I/O use by the culprit/s websites.

All my other resources are very low in their use, it's just the I/O spikes that I am getting.

My hosting specs are:

2GB physical RAM
6GB virtual RAM
2MB I/O
30 entry processes

I am using CloudFlare Railgun if that matters.

Any helpful information will be much appreciated.

Thanks in advance. :)
 

Luxin Host

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ulterios

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ulterios
He/She said shared near the top of the thread. I would have answered myself but I have never needed to check that so I have no idea.

I don't know if that can even be done for an individual website on a shared cpanel hosting account. Never looked into it.
 

Luxin Host

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Luxin Host
Completely missed that, apologies.

the I/O is simply the transfer speed between RAM and hard drive. On a shared hosting monitoring this is very hard and I do not know of a way to do so on a shared plan. However maybe one of the reasons why you are experiencing this issue is because of the slow HDD. HDD is out of date and very slow, SSD shared hosting costs almost just as much and provides a MUCH better experience. SSD can improve your I/O by a lot so I highly do suggest you switch to SSD hosting if you are on HDD hosting right now.

BTW just as a side note, if you are using wordpress, you can use the plugins in this article for easy monitoring: http://www.stumiller.me/how-to-monitor-and-reduce-wordpress-memory-usage-by-plugins/
 

Gecko

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Gecko
Thanks for the information. My host does have SSD drives so that's not the issue. I really haven't been able to narrow it down. A couple of the sites are Wordpress sites so I will take a look at the article you posted, thanks.

All my sites, WP and other, load fast and there are no kind of performance issues at all. I am just wanting to lower the I/O spikes that are hitting my limits just in case there is an issue later. The thing is that I just noticed this the last couple of weeks and not the whole time. The websites traffic is steady as always so no traffic spikes lately.

I just figured that there should be some way to check to see which site/s are using the most I/O so I can see what I can do to lower it.

Someone told me I can turn off the log_errors in the php settings and that can help but I don't know enough about those setting to mess with that.
 

VirtuBox

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I haven't experience with cPanel to answer to your question, but like LuxinHost said, if you have speed issue you should migrate to a SSD hosting, it should resolve all your problems. SSD are up to 5000x times faster than HDD for IO/s.
 

Gecko

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Gecko
Thanks for your input.

There is no speed issue of any kind and my host does have SSD drives. It's not a performance issue for my sites and their load times, I just want to lower the I/O use just in case the host gets a warning that I am hitting the limit too often in the I/O use. I have been told that there are some settings that I can change in the php settings that will help that but I don't know exactly which ones or even if I should mess with them or not.
 
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