For example,
echo 1024 | sudo tee /sys/block/sda/queue/read_ahead_kb
echo 1024 | sudo tee /sys/block/sda/queue/nr_requestsThat's all! See you.
Open Source is a great idea and it has changed the world!
Open Source forever ....
While you do not know attack, how can you know about defense? (未知攻,焉知防?)
Do BAD things .... for the RIGHT reasons -- OWASP ZAP
It is easier to port a shell than a shell script. -- Larry Wall
Most of you are familiar with the virtues of a programmer. There are three, of course: laziness, impatience, and hubris. -- Larry Wall
为天地立心， 为生民立命， 为往圣继绝学， 为万世开太平。 -- 王炜
Wednesday, May 23, 2018
Ubuntu 18.04 LTS Performance Tuning or not
After several experiments, I confirmed that previous performance tuning for Ubuntu 16.04 LTS does not fit for Ubuntu 18.04 LTS. The previous performance tuning, such as hard drive read/write, will slow down the performance of Ubuntu 18.04 LTS. If you implemented such tuning in Ubuntu 18.04 LTS and noticed the performance drops, you may consider to turn it off or disable it.
For example,
That's all! See you.
For example,
That's all! See you.