Re: Very high load when reading/writing

2014-05-05 Thread David Sterba
On Thu, May 01, 2014 at 07:50:11PM +0200, Hendrik Friedel wrote: I have very high load when writing/reading from/to two of my btrfs volumes. One sda1, mounted as /mnt/BTRFS, the other, sdd2/sde2 (raid) as / sda1 is a 3TB disc, whereas the sdd2/sde2 are small SSDs of 16GB. I wrote a small

Re: Very high load when reading/writing

2014-05-05 Thread Chris Murphy
On May 1, 2014, at 11:50 AM, Hendrik Friedel hend...@friedels.name wrote: Here the output: Test from /mnt/BTRFS to /tmp I'm not sure what this is testing, what the file size is or how many files. These days it's increasingly common to see tmpfs mount on /tmp rather than persistent

Very high load when reading/writing

2014-05-01 Thread Hendrik Friedel
Dear all, I have very high load when writing/reading from/to two of my btrfs volumes. One sda1, mounted as /mnt/BTRFS, the other, sdd2/sde2 (raid) as / sda1 is a 3TB disc, whereas the sdd2/sde2 are small SSDs of 16GB. I wrote a small script to demonstrate it. It does: -echo what it will do