The top tag has no wiki summary.
1
vote
2answers
42 views
Top being high but not much processors are running on high cpu usage?
I have a machine running a very small java listener and no body is using this machine but load is like staying between 0.9 to 0.6 for nearly sometime? IS it any indication here? What could be causing ...
0
votes
0answers
21 views
What is a good setting for TOPCOLORS [closed]
My linux distro uses William LeFebvre's version of top. The version of top supports colors, but one must export the TOPCOLORS variable to enable it. top -T describes the following settings which can ...
1
vote
2answers
53 views
ps shows that migration/* processes consume a lot of CPU, but top keep silence about them
here is the result of ps command, shown only first 10 lines
ps aufx | head
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 2 0.0 0.0 0 0 ? S ...
1
vote
1answer
28 views
VPS Node and top -c
When using and viewing top -c with openvz does the CPU usage and everything include usage for everyone else on the system or just you?
I've been watching my VPS node for awhile now and I've seen ...
0
votes
2answers
51 views
how to monitor select processes on centos 5.x host?
I would like to monitor a select group of processes, vmware vm's, running on my centos 6 host. "top" gives me most of what I want in that I can use -p to specify only those processes and -c to get ...
0
votes
1answer
331 views
Enable foreign users processes listing
how can I enable under Debian 6 to list the processes of a foreign user? I have the user nagios but this user can only list his own processes.
Br
1
vote
1answer
59 views
MongoDB virtual memory usage
I'm testing MongoDB for archives data. We have a collection with 160M rows.
MongoDB instance takes 76.2 Gb virtual memory on a 12 Gb physical memory box ;-)
The swap in null.
I read that virtual ...
3
votes
1answer
203 views
How to interpret output from Linux 'top' command?
Following a discussion made HERE about how PHP-FPM consuming memory, I just found a problem in reading the memory in top command. Here is a screenshot of my top just after restarting PHP-FPM. ...
1
vote
1answer
83 views
High Steal Time utilization on Apache Linux Server
I have a CentOS "development / testing" server that runs extremely slowly. It's running Apache and Mysql using PHP. Top reports that 98% of the CPU utilization is frequently spent on "st" - Steal ...
0
votes
2answers
60 views
How to sort top result on virtual memory on Redhat Linux?
There is an interactive key "M" to sort by memory, which seems to be sorting on resident memory. Is there a way to sort on virtual memory? I happen to be working on Redhat Linux, but the question is ...
5
votes
1answer
101 views
Mysterious swap usage on EC2
We're in the middle of a project to move our infrastructure from a co-lo situation into Amazon EC2 and we've noticed some weird memory characteristics of the processes in our setup. Without going into ...
0
votes
1answer
110 views
top command occupied high cpu usage
My system is SUSE 10 and I observe that top occupies 57% CPU usage when I use it.
I don't have too many processes:
ps -eLf | wc -l
106
Here are top's stats:
cat /proc/2913/stat
2913 (top) R ...
-1
votes
3answers
89 views
server not responding
The server is not responding and the top output shows the following:
mysql is consuming more than 500% of CPU
Will the server restart solve ths issue? Will I face the same problem after restart?
# ...
0
votes
1answer
33 views
why pressing M in linux's top command will have many processes that does not exist?
i pressed M in top command try to get a memory sort for the processes,
5892 myuser 15 0 88428 86M 12520 S 0.0 4.2 0:01 0 java
5893 myuser 15 0 88428 86M 12520 S 0.0 4.2 ...
0
votes
1answer
109 views
memory difference on top and htop
I got a new VPS as my database server. I installed only mysql and started. After some time(even after shutting down mysql service), I see only %3-4 of the memory used in htop but according to top I ...
0
votes
2answers
106 views
Get unix 'top' command output from Expect script
All,
EDIT
I want to execute a unix statement in Expect script and get an output without having to include the interact statement.The unix statement outputs rsize value for a process. I haven't ...
2
votes
1answer
68 views
Is there a way to run top as a daemon to gather historical process data?
I am aware that I can write a cron job that will run top in batch mode and write the output to a file but I am looking for something more elegant than that. Also I am aware of sysstat (sar) but I am ...
0
votes
1answer
104 views
How can I monitor php resources usage with top command?
There is a question that is similar to what I want to know here on server fault: How can I find exactly which PHP scripts are taking up all server resources? but I don't think any of the answers ...
0
votes
2answers
525 views
nginx+php-fpm help optimize configs
I have 3 servers.
First server (CPU - model name: 06/17, 2.66GHz, 4 cores, 8GB RAM) have nginx as load balancer with next config
upstream lb_mydomain {
server mydomain.ru:81 weight=2;
...
0
votes
4answers
180 views
Apache uses up a lot of CPU for small website
I have a CentOS 5.5 VPS server with 512MB RAM setup.
There is 1 website hosted on it through Apache/PHP/MySQL which is built in Magento, a popular ecommerce framework.
When I browse the website, it ...
2
votes
1answer
97 views
Our web server grinds to a halt when making XMLRPC requests. Please analyse my `top` output to see what's wrong
This a shared web server for our office and normally runs just fine with a few devs working on it simultaneously.
However, I've recently started working with it using Wordpress and it's XMLRPC API ...
0
votes
2answers
98 views
TIME+ column in top command is inaccurate
I just ran the top command to observe the following process
chown -r me:me allMyMusic
And it's been running for about 5 minutes, however the TIME+ column in the top command has reported it as ...
0
votes
1answer
127 views
How to exclude some users from Linux Top screen?
In top screen, by default it shows all users' processes. How to exclude some users(for example, root and nobody) from the top real-time screen?
2
votes
3answers
118 views
top reports swap at 100%, free memory available
On RedHat 5 servers, we see top reporting swap has 0k free. vmstat shows the same amount of swap used, but no paging. We kill our only app, and top still reports 100% of swap used. If we reboot, ...
0
votes
2answers
141 views
Load Average cpu linux server
i have a problem with the load average on server,
I'm using on server
When I check the processor - with "top" command
I see that :
top - 04:27:37 up 39 min, 1 user, load average: 0.78, 0.77, 0.77
...
1
vote
2answers
436 views
What is using all my RAM? Understanding the output of top
I've read a number of top memory use questions but I don't think they answer this.
Here's the most significant part of a top run:
top - 01:11:41 up 4 days, 1:06, 3 users, load average: 0.00, ...
1
vote
3answers
119 views
Is it possible to filter top to show specific processes?
I'm run top and I want to always see java/tomcat/redis/mysql/mongo, is that possible?
0
votes
2answers
76 views
Top not showing processes using CPU resources
I have this output from top for the top 10 processes sorted by CPU usage descending:
top - 11:19:58 up 1:46, 2 users, load average: 3.22, 3.48, 3.34
Tasks: 66 total, 5 running, 61 sleeping, ...
1
vote
1answer
58 views
Why do I see many mongod processes running?
I am running a single MongoDB database. No sharding. When I run htop, I see a lot of instances of mongod. Is that normal? Does every connection create a separate mongod process? Should I be concerned?
...
1
vote
2answers
160 views
Ubuntu server using too much memory
my server is at a very high memory usage constantly - to the point that it won't let me log in via ssh some times. I have to reboot the server before I can log in and when it's restarted the memory ...
1
vote
1answer
269 views
How do I tell real CPU load in a xen environment?
I have a Debian machine with 4 CPU cores running Xen with two virtual machines, and I'm having trouble determining overall real CPU usage.
Each machine has two VCPUs assigned to it with no cap on CPU ...
0
votes
1answer
36 views
Collect output of top command displayed with separate option
I would be grateful to you for some details about the top command output achieved using the hotkey "A". I suppose the it gives back the swap usage per PID: it is right, isn't it?
Could you please ...
1
vote
1answer
134 views
top vs vmstat on Debian squeeze/xen
I'm running a squeeze DomU on xen 4.0.1 which is completely unloaded. I notice a difference in cpu states between iostat and top like:
top (in every iter):
Cpu0 : 0.2%us, 2.0%sy, 0.0%ni, ...
2
votes
1answer
106 views
why is ubuntu lsb_release being called every 30 seconds?
I'm running ubuntu server, and I was staring at "top". lsb_release seems to pop up every 30 seconds - which in turn calls apt-cache. I don't really know where to start looking for the source of this ...
1
vote
1answer
163 views
400% CPU usage for MySQL? What? What should I do?
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
19857 mysql 20 0 514m 47m 3404 S 386 9.7 4511:45 mysqld
15659 www-data 20 0 205m 11m 4856 S 7 2.3 0:00.67 ...
2
votes
1answer
102 views
Can top show more than 100% in %MEM? [closed]
Can the %MEM value for a process show more than 100% in top output?Is this ever possible?
4
votes
2answers
147 views
Linux top command. Memory usage
I am testing my web server with Jmeter. I launch 40 users test, then dump top command.
What i see, is 40 (+1 host) apache processes. Each process uses appr. 7mb of RES memory. But 7*40 is 280 mb of ...
0
votes
1answer
65 views
100% Hardware IRQ while PHP just seems to hang for a second
I'm running the FLOW3 Quickstart on a Fedora machine (virtualized on Windows, if that helps). Each and every single request takes about 1.2 seconds to run the most simple example of this framework. I ...
0
votes
3answers
155 views
Memory Usage by Bytes Top 10
I need a way to see how many bytes to top ten processes are using not percentage.
I am using centos
2
votes
1answer
224 views
top, w, ps showing wrong CPU times
I've spotted this trait recently on some of my Ubuntu servers (10.04.2) on Amazon EC2 (not noticed this on any physical boxes), and can't quite comprehend how it's getting these figures. They can't be ...
0
votes
1answer
272 views
Problems with cron script and TERM definition using top command
I have a problem executing a cron process to check current CPU use in my server.
My script start with:
top -c -n 1 -u www-data > /tmp/kill-cpu
I can execute without problem in console, but in ...
2
votes
2answers
151 views
More in depth TOP command?
I recently came across a screenshot that looks to be using the "top" command, but it is showing a lot more in-depth info in terms of CPU usage:
The program shows detail down to which plugin in ...
0
votes
2answers
39 views
How can I identify the purpose of a process called “analog”?
I had an unusual amount of memory being used in the server and when I logged in as root and ran "top" I got this line:
13778 global 34 19 1726m 857m 336 D 1.3 85.6 1:49.89 analog
...
1
vote
2answers
266 views
memory leak? RHEL 5.5. RSS show ok, almost no free memory left, swap used heavily
i encounter a very instresting problem, and it seems that some physical may disapper quietly. i am very puzzled, so if anyone could give some help, I would be very appreciated.
here is my top show:
...
1
vote
1answer
120 views
top command indicates a different cpu usage than sar command
In my CentOS server, when I check the resources with sar command, user cpu usage is around %15 while in top command the sole 'java' process uses like %99 of cpu. sometimes it's even goes further than ...
1
vote
3answers
86 views
log first 5 rows from top output - server freezes
Could someone give a tip on how to log first 5 rows from top output? I was thinking about grep, but don't know how to pick rows.
I need to understand. What freezes server sometimes. Maybe there are ...
1
vote
1answer
146 views
CPU usage is very large in top command of Linux
I run SUSE Linux Enterprise Server 11 SP1 in a virtual machine. The hypervisor is KVM. There is 4 virtual CPU cores for the VM.
Now there is a very strange thing. In theory the maximum CPU usage ...
0
votes
1answer
71 views
“Used” memory in top larger than the VmSize of all pocesses listed in /proc/?
It used to be my understanding that top's definition of memory "use" was the number of physical pages mapped to any processes. However, recently I saw something that made me think otherwise. I'd ...
-1
votes
1answer
54 views
What does top report in a Linux-VServer
So if im logged into a linux-vserver and run the command top. Is the fields 'load average' and cpu's for the virtual server or the host machine?
0
votes
2answers
104 views
what is the best way to find the bottlenecks on my LAMP web server?
can you help me find the bottle neck on my server. In the previous question I asked on SF, I was told that memory is no problem and I have plenty of it.
I'm curious about CPU, perhaps HDs ... what ...
