atop and noticed disk load from 95% to 100%.
I started to analyze, it all started with the fact that I turned off all the working projects on this dedicated server and noticed that the load had dropped to
15-20%, I thought it was in the projects … but it wasn’t there, the load returned again and began to reach
75-85%, in atop it was clear that when
kworker appeared, the disk load instantly jumped.
I look in
perf top and see:
Drives are healthy, speed result:
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 0.4319 s, 2.5 GB/s
Timing buffered disk reads: 3878 MB in 3.00 seconds = 1292.39 MB/sec
what can be done in the next steps to localize the problem and load disks by 95-100%?
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