[logback-dev] Protobuf

[Thorbjoern Ravn Andersen]

Maarten Bosteels skrev:
> Hi Ceki,
>
> Keep in mind that I still have to double check my 
> LoggingEvent-to-protobuf converter.
>
> Serializing the corpus with different formats:
> java serialization   => 16 MB  (16108602)                           
> protobuf                => 33 MB  (34385867 bytes)
> protobuf + gzip      => 9.9 MB  (10354646 bytes)
> protbuf + deflater   =>  12 MB  (12006206 bytes)
>
> speed:
>
> java serialization:    4330 ms
> protobuf                   928 ms
> protobuf + gzip       3146 ms 
> protobuf + deflater  1883 ms
>
> So I would choose for protobuf + deflater :  25% smaller than java 
> serilaization and twice as fast.
>
> Deflater means using  java.util.zip.Deflater.BEST_SPEED

Very interesting.  Even with 100 Mbit speeds the deflater is faster than 
shipping the raw bytes.  Please make it optional though (perhaps making 
the deflater level configurable and 0 meaning leave alone).

-- 
  Thorbjørn Ravn Andersen  "...plus... Tubular Bells!"