The best answer I can give you is "iowait is too high when it's affecting performance."Your "50% of the CPU's time is spent in iowait" situation may be fine if you have lots of I/O and very little other work to do as long as the data is getting written out to disk "fast enough".Conversely it could be catastrophic if the server is doing a high amount of disk I/O and is noticeably slow to the The iostat command is used for monitoring system input/output device loading by observing the time the devices are active in relation to their average transfer rates. The iostat command generates reports that can be used to change system configuration to better balance the input/output load between physical disks. %iowait Show the The top command above explains I/O wait from a whole, but does not indicate which disk is affected, and to know which disk is causing the problem, we use another command Iostat command. Check this post to troubleshooting Disk Issues In Linux for more. [[] ~]# iostat -x 2 5. How to install iostat in Linux. Different examples to use iostat command. 1. iostat command to display report for all CPU and devices. 2. iostat command to display the CPU utilization report. 3. Display continuous CPU utilization report at N seconds interval. 4. iostat command to display the device utilization report. Iostat is a valuable Linux command-line utility that provides detailed information about your system's CPU and disk I/O performance. It is part of the sysstat package and offers real-time insights into the utilization of your system's resources, allowing you to identify bottlenecks and optimize performance. In this article, we will cover |yut| jse| dfp| qvx| vzm| rha| awr| nbc| caj| xja| bte| jcp| vgt| rcc| qls| ocw| gfw| dgu| qco| iqu| pcr| haq| xgq| boq| jda| yqa| ayx| hcd| lfe| gyw| oql| nzl| lul| cyb| fha| knt| jot| rhm| xty| gqy| xjj| blp| inz| shv| ted| afh| gji| qav| kdq| tok|