Linux Resource Management

1. View memory Information free

[email protected] script]# free all       used free     shared    buffers     cachedmem:        3920488     585108    3335380        188     144312     219976-/+ buffers/cache:     220820    3699668Swap:        6143996          0    6143996

2. Get process status PS

1). ps-u MySQL based on user filtering process

2). Filtering process Ps-aux via CPU and memory usage (can be sorted based on CPU mem--sort pcpu--sort pmem)

3). Filter by process name and PID Ps-f-C mysqld

3. View the process tree Pstree

4. Dynamic display process using resource top

5. Dstat allows you to see all system resources in real time

Linux Resource Management