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Questions tagged [load-average]

In UNIX family Operating Systems, the load average represents the average system load over a period of time.

In UNIX family Operating Systems, the load average represents the average system load over a period of time. It conventionally appears in the form of three numbers which represent the system load during the last one-, five-, and fifteen-minute periods. It's calculated according CPU usage, Disk I/O, Network I/O.

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Low CPU and Memory utilization. Does that mean server is healthy?

On a fairly busy RHEL6 server I keep noticing on average following indications CPU Usage : 2%. CPU Load AVG: 0.4,0.2,0.1 Memory Usage: 1.3 out of 16 GB This is the CPU this server has Intel(R) Xeon(R) CPU E31240 @ 3.30GHz, 8 cores Does this mean…
Hanky Panky
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Load average increasing along with firewall throughput

I've just pushed a large change to my backend code and I've noticed a massive increase in the load average in the few hours since the push. I looked at Munin for what the problem might be and I noticed that, along with the load average, the firewall…
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Storing / calculating historical load averages

When I run uptime, I get output similar to the following: 07:50:39 up 13 days, 5:00, 1 user, load average: 0.00, 0.02, 0.00 Is there a way, other than by running uptime every X-many minutes, to get a more historical load average? I'd like to be…
warren
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High Apache busy workers and high load average

I've been experiencing a spike in load average on a web server I manage on almost a daily basis now, here are the server specs: 6 x 2.4 GHz dedicated CPU 3GB RAM This is a VPS of which is running debian 6, I installed apache, php and mysql via…
Ben Everard
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Server load avg. hitting 16-20, but all resources under 90% usage?

As you can see in the image shared below, the server load peaked to almost 20 but the CPU, RAM, DISK IO and Network I/O remained well under their full capacity. My question is: 1). What caused the load? 2). Is it ok and normal to ignore these types…
iTech
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High load with low CPU usage and low IO usage on Solaris with ZFS and MySQL

I have a Solaris 10 x86_64 system running MySQL 5.5. Under heavy usage times, we're getting very slow responses from the database: slow queries running into minutes that normally return in sub-second times. CPU utilization is in the 60-70% range. …
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finding out what causes high sendmail load average

I'm investigating a server which I have not set up, for which there is no technician to answer questions. The problem is that the load average is high, which makes the server unable to send emails! It happens periodically, sometimes several times…
Robin Manoli
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High load average, low CPU and IO (Centos 5.7)

A Drupal 7 site with CiviCRM, after running smoothly for a year on a 1&1 VPS suddenly became unresponsive. Now pages eventually load, but can take more than a minute. Looking at resource use in Virtuozzo, the load average carries a warning, and has…
Ben
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High load average on I/O wait

My server is experiencing very high load average spikes (>10, sometimes even >20) every few minutes. top shows that CPU isn't in usage but is waiting for I/O operations: top - 17:42:28 up 8 days, 8:10, 1 user, load average: 9.01, 10.16,…
celicni
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Load average problem (mostly cosmetic)

This isn't a real problem, but I guess it can point to something more serious - I recently upgraded to 2.6.36 linux kernel, and Load Average doesn't go under 1.0 - no matter how many tasks I have, no matter that CPU load is 0% and there are no…
exa
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ZFS: arc_prune is using 100% CPU with high load average

I have a 4 disk storage server with two ZFS raidz1 pools, and suddenly last night it started running at 100% CPU with an high load average: root@stg1:~# w 07:05:48 up 296 days, 17:19, 1 user, load average: 27.06, 25.49, 24.74 USER TTY …
Mat
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Is there a linux tool that will print Load Average and CPU percent idle every x seconds?

I cannot seem to find a tool that prints LOAD AVERAGE and CPU PERCENT IDLE every X seconds in a terminal window. I am looking for something along the lines of vmstat but with those two values that top shows.
faultintolerant
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Process blocking or disk corruption? Very high load + wait times, but low CPU/memory use

I am using a vServer that is suddenly experiencing very high wait times (10/20/30 seconds) or even timeouts on basic requests since yesterday after being in use for over a year without any problems. This is my configuration: 8 CPU vCores, 32 GB…
JamesApril
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How can I *slowly* delete a large directory hiearachy to reduce disk i/o & load?

I have an ubuntu linux system. I have a directory which has a large amount of files. I can use rm -rf $NAME to delete it all. However that can use a lot of disk I/O and cause load to increase, because of the disk I/O. Even if I use ionice -c 3 it…
Amandasaurus
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KVM Virtual Machine high load average but low cpu and ram usage-why?

I have a web server with nginx and php-fpm 5.6. It is one virtual machine of KVM. Here is ovs between VMs. The parameters of this Vm are : 4 CPU, 6GB RAM and 50 GB disk with raw, Debian 8.6. There are every 15 minutes load average increases and…
Gani Rakhmatov
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