Lz4 encoder plugin for Embulk

This plugin is embulk file encoder for LZ4, a Extremely fast compression algorithm.

Caution! : This plugin supports LZ4 Frame Format only!

LZ4 Frame Format is the most famously format for compressing file of any size by LZ4. if you use Linux, lz4 program has generating a compressed file formatted by LZ4 Frame Format.

then, this plugin is not supported other formats based on LZ4 algorithm such as raw LZ4 Block Format, currently.

Overview

  • Plugin type: encoder

Configuration

  • block_size: Block Maximum Size for uncompressed buffer. you can choose from 65535, 262144, 1048576 or 4194304. (integer, default: 4194304)

Example

out:
  type: any output input plugin type
  encoders:
    - type: lz4
      block_size: 4194304

Build

$ ./gradlew gem  # -t to watch change of files and rebuild continuously