Re: Question on compression unit

2017-05-11 Thread Xiaochu Liu
Thanks Qu! I wonder if there is anyway we can easily configure the extent size (maximum extent size, extent size for files to compress, etc.)? I was trying to see if it helps reduce random read latency on compressed files by using smaller extent... On Wed, May 10, 2017 at 6:01 PM, Qu Wenruo wrot

Re: Question on compression unit

2017-05-10 Thread Qu Wenruo
At 05/11/2017 04:11 AM, Xiaochu Liu wrote: Hi there, I'm trying to tune compression options for btrfs. Specifically, I want to know the performance impact on the system under different compression unit (block) sizes. Compression unit size is fixed in btrfs. It's sectorsize, determined at mkf