>>> BTW we are about to do a release that fixes a bug with zstd. I am curious which bug you are referring to. Is it a bug with Java implementation or it affects C++ as well?
> On May 4, 2018, at 7:56 PM, Dain Sundstrom <[email protected]> wrote: > > 0.11 is released. > > -dain > > Sent from my iPhone > >> On May 4, 2018, at 1:41 PM, Owen O'Malley <[email protected]> wrote: >> >> I just upgraded ORC to use aircompressor 0.10. I assume we'll want to move >> to 0.11 before we use zstd? >> >> .. Owen >> >>> On Fri, May 4, 2018 at 12:49 PM, Dain Sundstrom <[email protected]> wrote: >>> >>> The maintained location (and the version we use in prod) is: >>> https://github.com/airlift/aircompressor/tree/master/src/ >>> main/java/io/airlift/compress/zstd >>> >>> We plan on writing the compressor soon as we need it for our production >>> systems. >>> >>> BTW we are about to do a release that fixes a bug with zstd. >>> >>> -dain >>> >>>> On May 4, 2018, at 11:19 AM, Xiening Dai <[email protected]> wrote: >>>> >>>> Hi all, >>>> >>>> I think the major reason that we don’t support zstd compressor today is >>> that there’s no native java library currently. But I do see a java >>> decompressor in presto code base - >>>> >>>> https://github.com/prestodb/presto/blob/8f4e5bb9340890f01291ee1b777a1b >>> 2b921a90c4/presto-orc/src/main/java/com/facebook/presto/ >>> orc/zstd/ZstdDecompressor.java >>>> >>>> I wonder if we can just integrate this so at least we have the >>> decompress ability. I believe this is valuable as there are Orc files >>> compressed in zstd, including some presto workload, and some of the >>> workload in our installation (generated by c++ writer with zstd >>> compression). >>>> >>>> >>> >>>
