Linked Questions

4
votes
2answers
7k views

What does load average mean? [duplicate]

Possible Duplicate: How to understand the memory usage and load average in linux server I have ready many articles that try to explain load average. To date none have ever explained it well ...
4
votes
1answer
8k views

Understanding the Apache server-status page [duplicate]

The following is a sample server status page taken from Apache website: Current Time: Thursday, 01-May-2014 07:38:59 UTC Restart Time: Friday, 11-Apr-2014 18:30:33 UTC Parent Server Config. ...
0
votes
3answers
3k views

High load average, when should I be worried? [duplicate]

I have a server which runs a few hundred processes simultaneously, most of them are idle, it is some sort of web crawler it sleeps between requests for various reasons. So as a result, my load ...
1
vote
2answers
2k views

How do you read load averages? (eg: Load Averages: 0.60 0.60 0.55) [duplicate]

Possible Duplicate: How to understand the memory usage and load average in linux server My hosting company provides "Load Average" stats when I login. There is no link to more information about ...
2
votes
3answers
299 views

free -m output, should I be concerend about this servers low memory? [duplicate]

Possible Duplicate: How to understand the memory usage and load average in linux server This is the output of free -m on a production database (MySQL with machine. 83MB looks pretty bad, but I ...
1
vote
3answers
199 views

check why memory is being used [duplicate]

Possible Duplicate: How to understand the memory usage and load average in linux server I'm running Debian and I'm wondering why so much of my memory is being used (8GB of the 8GB) Is there any ...
-1
votes
1answer
437 views

How does process CPU usage relate to Load Average? [duplicate]

I have the following host / load: Two 6-core CPUs, with HT (From what I understand, max load would be 24.0) 12 "primary" processes, with sustained usage of about 50% CPU Load average: 0.86 0.98 0....
0
votes
1answer
436 views

What is system load? [duplicate]

Possible Duplicate: How to understand the memory usage and load average in linux server I was reading this question, and it left me wondering what system load is. What does it actually measure?
1
vote
1answer
205 views

What would cause an average load of 10-30 (rather than 10-30%) [duplicate]

Possible Duplicate: How to understand the memory usage and load average in linux server I'm not sure whether this would be better titled "Why would Nagios need to monitor a load reaching 30". ...
0
votes
1answer
180 views

Where is my RAM going? Top command included [duplicate]

Possible Duplicate: How to understand the memory usage and load average in linux server Tasks: 39 total, 1 running, 37 sleeping, 0 stopped, 1 zombie Cpu(s): 0.0%us, 0.0%sy, 0.0%ni,100....
44
votes
3answers
7k views

Why is Linux reporting “free” memory strangely?

This is a canonical question about how Unix operating systems report memory usage. Similar Questions: Server refuses to use swap partition Memory Usage in LINUX I have production ...
25
votes
7answers
41k views

High CPU utilization but low load average

We are running into a strange behavior where we see high CPU utilization but quite low load average. The behavior is best illustrated by the following graphs from our monitoring system. At about 11:...
8
votes
3answers
43k views

How to get % memory usage with vmstat?

I need to get a memory usage in % from vmstat, but I don't quite understand some of the numbers relating to memory displayed in vmstat. In particular, given an output like this procs -----------...
3
votes
3answers
2k views

Linux: which process consumed all the memory?

We have 4GB on our linux server but we can currently use only ~1.8GB for our java-server, which is the first java process listed below. (200 MB are free so we can maximal use 1.6GB + 0.2GB) The ...
-3
votes
1answer
885 views

Total ram usage more than sum of ram usages

Top reports that the system is using 93% (7.2GB) of the total 7.6GB RAM. However, the sum of all running processes as calculated below is 2.2GB! What is wrong? Could be something to do with the fact ...

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