Increase CPU usage
The following command line will continue to execute for 2~3 minutes and stop by Ctrl+C
[root] # yes >> /dev/null
Increased usage of disk
1.df -BM confirms the used capacity and total capacity of each disk partition
2. Determine the size of the warning value (75%~85%)
3. It is best to list each partition in a table, so that it is not easy to make mistakes
4. Through [total capacity*0.8-used capacity], you can calculate the size of the file to be generated
5. Pass dd if=/dev/zero of=/test1 bs=1M count=the size of the file to be generated
Internet traffic rises
The upload and download of large files can increase network traffic.
[root] # cd /tmp
[root] # scp /tmp/bigtempfile [email protected]:/tmp/