[mythtv-users] Cannot max out CPU usage on HLS transcode

Jim Downie Jim.Downie at sigmaseven.co.uk
Mon Oct 15 08:20:45 UTC 2012


> How about disk IO? atop often shows mine near 100% when
> post-processing, with a much more modest CPU.
> 
> John P

Do not believe it's IO bound as handbreak is able to max out CPU reading and writing to the same partition (10 disk raid 6 array) - see IO stats below.

root at masterbackend:/data$ dd if=/dev/zero of=/data/test bs=1G count=2
2+0 records in
2+0 records out
2147483648 bytes (2.1 GB) copied, 4.87213 s, 441 MB/s







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