Thanks. We might start by a straight port from Java to C++ and do some benchmarking. I will report back if I have more to share.
> On Feb 1, 2018, at 12:44 AM, Prasanth Jayachandran <j.prasant...@gmail.com> > wrote: > > Hi > > You can find more information about performance here > https://speakerdeck.com/prasanthj/orc-2015-faster-better-smaller?slide=10 > > Original JIRA has more initial performance numbers > https://issues-test.apache.org/jira/browse/HIVE-4123 > > As you can see from the slides, several performance improvements went it > later on. Also the slides were prepared in 2015 after which more perf > improvements went in. I don't think anyone benchmarked RLEv1 vs RLEv2 after > the initial perf tests. > > > Thanks and Regards, > Prasanth Jayachandran > > > On Wed, Jan 31, 2018 at 8:27 PM, Xiening Dai <xndai....@live.com> wrote: > >> Hi, >> >> I am evaluating if we should work as a high priority to add RLEv2 support >> in Orc C++ writer. I wonder if anyone has any performance data to share >> regarding RLEv2. I believe some related tests and evaluation must have been >> done when RLEv2 was introduced. Would appreciate if someone can share a >> pointer. >> >> Thanks.
