Monitoring RAM (Resident Set Size) shows more than expected in the PHP-FPM process.
Hello,
I have a Linux server with MySQL, PHP-FPM and Apache.
Each site runs php-fpm independently.
I create items:
proc.mem[,mysql,,,rss] shows average 400 MB
proc.mem[,web1,,,rss] shows average 3.8Gb
proc.mem[,web2,,,rss] shows average 3.8Gb
proc.mem[,web3,,,rss] shows average 150 MB
proc.mem[,web4,,,rss] shows average 200 MB
proc.mem[,web5,,,rss] shows average 400 MB
My server has a total of 4 GB RAM.
With `rss` parameter I am monitoring Resident Set Size. According to definition RSS is physically resident memory - this is currently occupying space in the machine's physical memory.
How is it possible that the sum of proc.mem RAM is more than 4 GB ?
I have a Linux server with MySQL, PHP-FPM and Apache.
Each site runs php-fpm independently.
I create items:
proc.mem[,mysql,,,rss] shows average 400 MB
proc.mem[,web1,,,rss] shows average 3.8Gb
proc.mem[,web2,,,rss] shows average 3.8Gb
proc.mem[,web3,,,rss] shows average 150 MB
proc.mem[,web4,,,rss] shows average 200 MB
proc.mem[,web5,,,rss] shows average 400 MB
My server has a total of 4 GB RAM.
With `rss` parameter I am monitoring Resident Set Size. According to definition RSS is physically resident memory - this is currently occupying space in the machine's physical memory.
How is it possible that the sum of proc.mem RAM is more than 4 GB ?