20, Linux command to monitor the server disk

Monitoring Linux Server disks

Server disk performance testing is also a more interesting process. First of all, we need to figure out what's on disk, so here's a bird's-home dish.

Not only do we have to figure out when the disk will be full, but also monitor the disk's read and write speed. Which is what we often call I/O

Df-h//View disk usage

Iotop (this looks more intuitive)

Iostat

Nmon

The 22nd article has been introduced click Nmon

PerfMon Metrics Collector

The 17th article has been introduced, click on PerfMon Metrics Collector

Summary: Last but not least, I encountered a situation in my work where I sent a request to insert a data into the database. But when I was doing high concurrency, the request was successful, but it was not written into the database. That is, when the disk read and write no problem, but also to pay attention to the database is inserted successfully, here can do stress test database, you can refer to JMeter database stress test Of course, the disk read and write more than these, these are just my common tools.

20, Linux command to monitor the server disk