renice [value(0 - 10)] -p [pid]
renice 10 -p 12345
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Yes that means it worked, now try and see if players get lag or kick again, if they do then it must be something with your server, and if so you should contact your server administrator for that.look
renice 10 -p 26626
26626: old priority 0, new priority 10
Work??