This free memory can go away in less than a second
It's depends of many things. But you need to pay attention on this variables
https://mariadb.com/kb/en/library/mariadb-memory-allocation/
In my db servers i use nagios to monitor when "free" and "available" ram is less than 80% warning state and less than 5% critical.
so I figured why not use as much as possible --- just not too much, and
this is borderline.
You can use the rule always 80% used for safe. But 20% of 46GB could be too much ram wasted.
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2017-11-08 9:56 GMT-02:00 hw hw@gc-24.de:
marcos valentine wrote:
Disk cache is not recommended for databases servers.
it'll slow down the performance. More ram equals more performance.
This link help me understand memory usage on linux.
https://www.linuxatemyram.com/
Basically you need yo worry about
free memory is close to 0 used memory is close to total
Almost 3GB available on a 48GB machine is very close to "free memory is 0" and "used memory is close to total", which is why I´m wondering what I can get away with :)
This free memory can go away in less than a second. Maybe it never will, so I figured why not use as much as possible --- just not too much, and this is borderline.
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