Solved

linux flush usage shoing as high usage process

Posted on 2012-12-27
2
379 Views
Last Modified: 2012-12-28
I'm doing some write test and I can see  flush command is taking 40-50% of the cpu. What exactly this flash command doing?
0
Comment
Question by:mokkan
2 Comments
 
LVL 21

Accepted Solution

by:
robocat earned 500 total points
Comment Utility
As the name suggests, the flush process flushes the data from memory to disk.

This is the normal way linux operates. When you change the data in memory, it is not immediately written to disk, but will flushed a little bit later. The flush operations will use a lot of CPU during heavy write IO.
0
 

Author Closing Comment

by:mokkan
Comment Utility
Thanks a lot.
0

Featured Post

Windows Server 2016: All you need to know

Learn about Hyper-V features that increase functionality and usability of Microsoft Windows Server 2016. Also, throughout this eBook, you’ll find some basic PowerShell examples that will help you leverage the scripts in your environments!

Join & Write a Comment

I have been running these systems for a few years now and I am just very happy with them.   I just wanted to share the manual that I have created for upgrades and other things.  Oooh yes! FreeBSD makes me happy (as a server), no maintenance and I al…
It’s 2016. Password authentication should be dead — or at least close to dying. But, unfortunately, it has not traversed Quagga stage yet. Using password authentication is like laundering hotel guest linens with a washboard — it’s Passé.
Learn how to find files with the shell using the find and locate commands. Use locate to find a needle in a haystack.: With locate, check if the file still exists.: Use find to get the actual location of the file.:
This video shows how to set up a shell script to accept a positional parameter when called, pass that to a SQL script, accept the output from the statement back and then manipulate it in the Shell.

762 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

7 Experts available now in Live!

Get 1:1 Help Now