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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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How do I identify which process spikes server load

I am logging service activity to grafana and find that my linux based server shows a big spike in load exactly every 20 minutes. Is there a simple way to identify which process is causing the spike. I would have thought it was a cron job, but since…
richp10
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on server start, process hwrng in "D" state causing load_average = 1

In a newly installed server (Debian 8), the average load never goes under 1 beside the fact there is almost nothing runnning, %CPU usage is always at 0%. After some search I found the process hwrng (parent process = kthreadd) may be the cause, but I…
Asenar
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Medium CPU usage but high load

I know this has been asked multiple times, and generally wa causes high load even if CPU isn't the culprit. However, in our case, wa is ~0 and CPU is at ~45% on a 4 core, 8 thread dedicated server. But load average is 8.33, 8.47, 8.28 Here's a dump…
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System not being able to handle soft interrupts but having idle time?

I have a constant 5% and more CPU time spent in handling soft interrupts. Doe to that, the ksoftirqd is running almost constantly, but is using a very small amount of CPU (less than 1%). However, regardless of this heavy load there is still a…
TheMeaningfulEngineer
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Server problems, running out of RAM, really high load average

I desperately need help in figuring out how to troubleshoot this problem I'm having. I run a fairly mission critical web server (Debian 7.5, 512MB RAM, 512MB swap, Apache, MySQL). It runs a couple WordPress sites on it. Today I found the websites…
CaptSaltyJack
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high load average and cpu usage

I am experiencing high CPU usage here is the stats i got from server, the consumption after every restart in 15 minutes go upto 100%, what could go wrong? I have a site in laravel installed on the server which does not have much traffic(+- 500…
Daniel Lemes
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Random server load spikes, number of tasks doubles, CPU/Memory consistent

We run a vBulletin forum with 6,000 visitors per day on an SSD VPS with 5GB RAM and 24 CPU Cores. On a typical day we see 30-50 concurrent users at any given moment. On busy mornings, it'll go up to 130. During both of these times, the site is…
PF Billing
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System load average is extremely high

I own a website which is running on a VPS since last week. From monday until saturday, everything is going smoothly. The website has around 4.500 unique visitors a day, and the load average and respond time is fine. On a sunday, the website has…
Tomzie
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Munin's load plugin does not appear

I just did a fresh install of Munin 2.0.6-4 on a Debian 7.1 server from the debian repositories. The "load" plugin appears as loaded: # munin-node-configure | grep load load | yes | …
Régis B.
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High Iowait + High load average on a monitoring server

I've a nagios server which was perfectly working up to a few days ago. I've stopped it and restarted it to increase its RAM, and since then, iowait increased dramatically on the server (more than 20%, it was less than 1% before). I've tried to put…
Golgot
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Load high with very little CPU usage?

The load has been sitting at around 6 but there is very little running on the box. Any ideas what's causing this? It's a large AWS instance. procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu---- r b swpd free buff …
Ryan Detzel
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High load average (over 2.0) on an idle machine

I've this server which is basically idle, and yet has a high load average. Hardware : 4 processor PowerPC Over 4GB of free RAM Top says CPUs are 99.9% idle Virtually no disk I/O Debian Squeeze, default install except I'm using ext4 Here's the…
Ecco
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mod_wsgi, apache2, and load average

I've got a server running several cherrypy apps on apache2 under mod_wsgi. We're seeing constantly fluctuating load average on a box that is not serving many requests. As far as I can tell, the box is under no real CPU load, has plenty of memory,…
Brad Baebler
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Does increasing cpu affect load average?

for example I have a 16 core cpu with load average 10. If I upgrade cpu to 32 core and if ( same traffic , same load , same everything ) , should load average drop or will it stay the same ?
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linux load average interpretation with vcpu

I have a workstation with following CPU spec - Dual (two) Intel Xeon X5675 CPUs - 6 cores each - that's total of 12 cores / 24 threads. If all the cores were utilised, given the total threads is 24, is the expected load average 24 or 2400 ? The…
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