Ravi Sir's Cards › AWS
vmstat vs iostat
What is a VPC: your own private network inside one AWS Region, example ThreeTierVpc 10.0.0.0/16.
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What this card says
Tool
vmstat
CPU, memory, run queue.
iostat
Per-disk I/O detail.
Key points
Built in (procps).
Needs sysstat.
Example
vmstat 2
Use when
First quick look.
Disk is suspect.