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Question Alarming exchange i/o

jorge ceballos

Regular Pleskian
Server operating system version
centos 7
Plesk version and microupdate number
Plesk Obsidian 18.0.52 update 4
Hi,

Alarming exchange i/o started happening three days ago; before that this server had never an issue on this matter.
Reviewing updates, the only one on the 14 of the month was a MariaDB update to 10.5.23-1 and on the 13 we had the Obsidian 18.0.52 update 4.
Yesterday increased original 1Gb swap space to 7 Gb (out of 16 Gb RAM) following Question - increase swap file instructions (thanks for posting them).

Still, exchange continues as shown in the image.

Any idea?

Thanks in advance and Happy Holidays!

screencapture-ns1-develmexico-net-8443-modules-monitoring-index-php-index-main-2023-12-17-13_0...jpg
 
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