Apache Druid supports http request decompression and response compression, to use this, http request header Content-Encoding:gzip and Accept-Encoding:gzip is needed to be set.

    PropertyDescriptionDefault
    druid.server.http.compressionLevelThe compression level. Value should be between [-1,9], -1 for default level, 0 for no compression.-1 (default compression level)
    druid.server.http.inflateBufferSizeThe buffer size used by gzip decoder. Set to 0 to disable request decompression.4096