1
vote
1answer
13 views

ubuntu server crash after build.sh run

I have a build server with Ubuntu. And in my source code there is typical build.sh to invoke the make file in order to compile the source code. But suddenly the server crashed and I found the below ...
0
votes
0answers
42 views

Memory and the OOM killer problem

I got a laptop with 4GB memory and 14.04, and I see regular OOM KILLER that kills processes and high CPU from swapd but swap is almost not used. But I want to understand this happens and/or how I can ...
8
votes
2answers
2k views

Memory usage doesn't add up over time

The memory usage on my Ubuntu 13.04 system doesn't add up over time. I've tried the 3.8.0-xx kernels and the latest 3.9 from /~kernel-ppa/mainline. When I first boot, it all adds up correctly but ...
59
votes
5answers
28k views

Why is swap being used even though I have plenty of free RAM?

I thought the whole essence of swap was to act as a temporary storage safety net when RAM was full but my swap partition is constantly being used even though I sometimes have as much as 3GB free RAM. ...
13
votes
2answers
4k views

Can I copy large files faster without using the file cache?

After adding the preload package, my applications seem to speed up but if I copy a large file, the file cache grows by more than double the size of the file. By transferring a single 3-4 GB ...