Hi, vote for option 1: Change LZ4 to the default compressor, since it's a compatible changes.
Best, ------------------- Yuan Tian On Fri, Jul 7, 2023 at 11:10 AM yanze chen <[email protected]> wrote: > > Hi all, > > In iot-benchmark experiment[1], we found that LZ4 outperformed SNAPPY in > terms of (de)compression time and compression ratio in most scenarios. In > the VLDB2022 paper[2], we also found that LZ4 performs no worse than SNAPPY > on real-world datasets. > > Therefore, we consider changing the default compressor of IoTDB from SNAPPY > to LZ4. How do you think about it? > > option 1: Change LZ4 to the default compressor > option 2: Keep SNAAPY as the default compressor > > [1] https://apache-iotdb.feishu.cn/docx/ThmHdPKw9oJv95xvLhWco2WnnLh > [2] https://sxsong.github.io/doc/22vldb-encoding.pdf > > -- > Yanze Chen > School of Software, Tsinghua University
