htop is an interactive process viewer for Linux. It is a text-mode application (for console or X terminals) and requires ncurses.
Questions tagged [htop]
71 questions
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Load average explanation for multi-core systems
I'm trying to understand the Load average in my Debian system. I've read some explanations of the displayed values and I came to understand that the number represents how "overloaded" my system is. So, the 0.5 load average means, that my system…

Get Schwifty
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Where is my memory being consumed?
I have a Ubuntu 20.04 server which is reporting relatively low free RAM:
top - 11:28:31 up 5 days, 20:12, 3 users, load average: 0.18, 0.26, 0.27
Tasks: 268 total, 1 running, 267 sleeping, 0 stopped, 0 zombie
%Cpu(s): 0.1 us, 0.3 sy, 0.0…

Huskie69
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Messagebus is using more than 4 GB RAM
I have just checked my Server and it is running relativly low on RAM. There are currently no users on anyone of the Services Installed (Jitsi, Rocket.Chat, OnlyOffice Workspace) as they're all still in configuration, but I got 15.6 GB Ram Usage…

Nicolas Mierbach
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Tightvnc Server using only 1 core?
I have a server setup with 8 cores and 32gb of RAM. I am using it to launch as many java applications as I can and hope to make the most efficient use of my resources. Upon launching I notice the server begins lagging fairly badly and Xtightvnc is…

Plee
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Why htop shows 48 sleeping processes while "show processlist" shows none? (MySQL 8.0.21-0ubuntu0.20.04.4)
SHOW PROSSESLIST shows exactly no sleeping processes. But Htop does: I got about 48 sleeping /usr/sbin/mysqld processes with high values of VIRT 15.2G and RES 6199M.
What's going on there? Why these processes aren't listed in PROCESSLIST? Is it safe…
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Why do EC2 instances sometimes end up giving a very high IRQ load in htop?
We have a couple of t3.small instances. This is what the CPU utilization graph ends up looking like for both of them (running similar programs).
Both seem to end up stabilizing at 20% CPU utilization. When I look at htop, this is what I see.
Why…

wireman
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Tomcat process which is listed several times
I have a Tomcat 9 server running on my Centos 7.
When I issue the htop command I have a tomcat process which is listed several times and I would like to understand why it appears several times
PID USER PRI NI VIRT RES SHR S CPU% MEM% …

Aaron Guilbot
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Using Ubuntu htop, I'm checking my memory and it says it's using ~530/590mb, is this safe?
I'm just configuring some backend stuff and going through my aws.micro install.
Using htop I can see my memory is hovering around 530mb out of a total 590mb.
The colouring in htop still shows it being green so at first I wasn't worried, but is 60mb…

UzumakiDev
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What do negative numbers under TIME+ in htop mean?
What do the red negative numbers I'm seeing displayed in htop mean?
Should I be worried?

David Eyk
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ubuntu server 14.04 LTS unusual outgoing traffic
I have virtual private host with ubuntu server 14.04 LTS. On this server, we serve web service. We run apache2 and tomcat as web server.
apache2 + django1.8 and tomcat8 recently, I observed the server uses 800G out-going traffic per day, but this…

mahmoud
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Child proc in highload
I need to know why this child proc is using 208% of my CPU.
I think it would be a good idea to find the pathname of it. Do you have any idea how to find it?
4910 root 20 0 9691M 2006M 7924 R 208. 12.2 15:17.23
java -server -d64 -Xmx4G -jar…