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Questions tagged [atop]

16 questions
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Strange Linux disk statistics on EBS i/o credit exhaustion

We have T2 instances (Linux 4.9.20-11.31.amzn1.x86_64) on AWS EC2 which exhaust their i/o credits due to disk reads. It may well be that we have excessive reads on these nodes, so nothing strange about this in itself, but the result on the processes…
Bittrance
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1 answer

atop: how to compress or hide the processors at top on large machines?

Header lists all CPUs/cores and keeps re-sizing as I go back in time with t and T. I read though the help and tried searching. How to hide that header?
Aleksandr Levchuk
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How to change interval of atop log?

My system is centos 7.4 with atop 2.3.0 I want to change atop log interval from default 600 to 300,then I vi /usr/share/atop/atop.daily as below: #!/bin/bash CURDAY=`date…
kittygirl
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Config file for ATOP deployment on AWS Elastic Beanstalk

SOLVED I need ATOP to install on EC2 the instances when the machines deploy from Beanstalk. AWS support only had the link below to follow, but it doesn't show how to deploy in the ebextensions config files. Has someone already done this and have a…
Kliqks
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kswapd0 jumps near 100%, freezes an EC2 t2.micro instance

I have an EC2 t2.micro instance that I use as a test instance for a web app, OS: Ubuntu 22.04.1 LTS the CPU consumption of kswapd0 the process jumps near 100% once in a while, causes a freezes of the instance, and it needs to be rebooted. Note:…
Max L.
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What defines the "interval" when playing back Performance Co-Pilot data in pcp-atop?

I have PCP (Performance Co-Pilot) recording performance metrics on a RHEL 7 host. The recording cadence is set to Y seconds here: /etc/pcp/pmlogger/control.d/local When I copy the performance metrics logs to another machine I'm able to analyze the…
Dennis Dragonbain
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When using atop as a systemd service it only runs and logs to file once

I am on CentOS 7 and using atop v2.6.0 If I run atop manually with the following command everything runs as expected and the log is written to every 10 seconds: /usr/bin/atop -w /var/log/atop/atop_20210320 10 However when running atop as a service…
Pel
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1 answer

Atop shows MDD stuck at 100%

After investigating a load spike on my CentOS 7 server, I ran atop and noticed something odd. It is reporting MDD for my logical volume (md127) maxed out at 100% all the time. The other disk tests I ran seemed fine. It is a RAID1 config with two…
Grindlay
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Where is my bottleneck: RAM, CPU or disk?

I have a 32 core, 64 thread, 128GB RAM system with internal SSD. I'm running 64 data mining/simulation jobs in parallel that each load 1GB from disk and run for about 5-10 minutes . I want to know if I'm bottlenecked by CPU, disk or RAM. I have the…
JacksonCounty
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atopsar on Ubuntu 18.04 not showing disk activity

I run Ubuntu 18.04.1 LTS on a AWS EC2 instance (t3.large) myserver:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 18.04.1 LTS Release: 18.04 Codename: bionic I've installed atop with its…
Aldo
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atop 2.4.0 time interval

In latest version atop 2.4.0 (Repository - epel, CentOS 7) I can't change time interval through config file. I set "INTERVAL=60" in /etc/sysconfig/atop, restart service, but no effect, interval stay on default value 10min (600sec) In version 2.3.0…
Pavel Gromov
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What's the significance of the *initially* displayed data when launching atop?

I've just started using atop to try to get to the bottom of some system bottlenecks. I've found https://linux.die.net/man/1/atop which is very useful and explains most of what it does just fine. What I'm curious about is what data atop shows when…
Codemonkey
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Issue with Atop on Debian

I am having an issue with Atop installed on Debian Jessie which consumed a lot of disk. After my investigation I found something: Many log files not being compressed There are many log files which are stored in /home/logs/atop/, however they are…
Kuroboo
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atop: how to sort arbitrary column like STTIME and STDATE?

Command atop -v shows start date (STDATE) and star time (STTIME) columns. How to sort them? atop man list sorting possibilities only for: -C 'CPU consumption (default) -M 'memory consumption -D 'disk activity -N 'network activity -E 'GPU…
triopium
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Warning: atop.service changed on disk. Run 'systemctl daemon-reload' to reload units

I was trying to change the atop log interval on CentOS 7 cPanel server from 600 to 60 seconds and tried editing the file /etc/system/system/multi-user.target.wants/atop.service (Environment="LOGINTERVAL=60") and did service atop restart, then edited…
linuxtale
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