Re: [Qemu-block] [PATCH v2 3/3] qcow2: add zstd cluster compression

2019-08-08 Thread Max Reitz
On 04.07.19 15:09, Denis Plotnikov wrote: > zstd significantly reduces cluster compression time. > It provides better compression performance maintaining > the same level of compression ratio in comparison with > zlib, which, by the moment, has been the only compression > method available. > >

Re: [Qemu-block] [PATCH v2 3/3] qcow2: add zstd cluster compression

2019-08-07 Thread Eric Blake
On 7/4/19 8:09 AM, Denis Plotnikov wrote: > zstd significantly reduces cluster compression time. > It provides better compression performance maintaining > the same level of compression ratio in comparison with > zlib, which, by the moment, has been the only compression s/by/at/ > method

[Qemu-block] [PATCH v2 3/3] qcow2: add zstd cluster compression

2019-07-04 Thread Denis Plotnikov
zstd significantly reduces cluster compression time. It provides better compression performance maintaining the same level of compression ratio in comparison with zlib, which, by the moment, has been the only compression method available. The performance test results: Test compresses and