How do I make a MySQL database run completely in memory?

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#1
I have noticed that my MySQL server is the top reason for high load on my VPS. I want to make a database running with CPUs and instead that to run completely in memory for better performance.
How do I do that? I explored PHPMyAdmin, is there a way to change there or what addons or software do I need to install for running Mysql with memory?
 

LJSHost

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#2
That will not fix your CPU problem, data will be cached in memory instead of disk when switching to the MySQL memory engine for faster access but the queries will be executed by the CPU just as before, just could see a small improvement in cpu usage but the negatives points of keeping data in memory which is far more vulnerable when compared to disk storage could cause big problems in the server crashed or had hardware memory problems.
 

sh-admin

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#3
The solution for the issue is to check the slow mysql queries ... check the status of the mysql queries and operations .. find out the slow queries .. optimize the database as per your VPS configuration and that should fix the issues. Switching database running with CPU will affect other services running so there is no point to bug the CPU.
 

TheCompWiz

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#4
I suggest you use a caching solution like redis or memcached to store your data. It will decrease loadings and queries for your databases

In other words, you can follow tips from sh-admin and LJSHost to check your database problems if they are getting slow queries. Many website CMS and software on your VPS can get these and you need to fix them via log files.
 
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#5
mySQL/MariaDB actually does use RAM by default. Use Perl mySQL tuner and optimize your configuration, it makes a tremendous difference. Even better, also use memcached/PHP opcache to lower the load of your applications from hitting it excessively.
 
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