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

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700 views

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 ...
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1answer
284 views

Lots of connections to loopback, could be slowing us down

I'm trying to debug a sudden increase in our load average. I looked at this page to see if we were being DDoS'ed but the standout IP address was the loopback address: $ netstat -ntu | awk '{print ...
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1answer
101 views

Very high load during pvmove in domU

I had a pretty bad time this evening. I had to move LVM2 LVs from one PV to another (source PV backed by NFS stored vdisk, target PV backed by an iscsi LUN). Moving small LVs of ths VG (few gigabits) ...
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406 views

Unknown modprobe causing high load average

For about the last 6 months, and for about a year before that (with a 6 month hiatus), one of my servers has had a consistently high load average: 13:37:34 up 192 days, 5:44, 2 users, load ...
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1answer
307 views

solr is killing my server by taking a lot of resources

I have Ubuntu 9.10 server with 12G Ram/Quad Core/HD 80GB RAID. and i have installed solr lucidworks-enterprise-installer-1.7 on it to index a small database (about 20k articles). once our editors ...
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0answers
56 views

When I ssh to my oracle server, the CPU load reduces

I am facing strange issue on an Oracle server. The server is on high CPU load everyday for around 5hrs. This starts everyday at around 03:46 AM and continues for next 5 hrs. CPU load reduces ...
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0answers
632 views

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 ...
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0answers
493 views

ATOP: vmcom / vmlim -> SWP is red

in ATOP I'm getting a red alert like this: vmcom 76.3G | vmlim 49.8G This is a value that is attached to the "SWP" (so "SWAP" is meant?)-line. What does this mean and what can I do against it?
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122 views

determine if threads on a cpu are blocked? What are the causes of thread blocks?

The load-average reported by uptime command also displayed in top provides the the average run-queue length over time (1, 5 and 15 minutes) The run-queue length is the sum of the number of threads ...
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0answers
477 views

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 ...
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37 views

Server crashes with incredibly high load

I got a problem with a KVM-virtualized server (Proxmox-based), running on Debian 7.8 and PLESK. Sometimes there are loads > 200 (sic!) and I just do not get the reason why. The monitoring shows the ...