Excellent, the DumpLogSegment tool did the trick! Wes
On Thu, Sep 21, 2017 at 4:32 AM, Manikumar <manikumar.re...@gmail.com> wrote: > you can try DumpLogSegments tools to verify messages from log files. This > will give compression type for each message. > https://cwiki.apache.org/confluence/display/KAFKA/ > System+Tools#SystemTools- > DumpLogSegment > > On Thu, Sep 21, 2017 at 1:38 PM, Vincent Dautremont < > vincent.dautrem...@olamobile.com.invalid> wrote: > > > Hi, > > Snappy keeps a lot of parts in plain text : > > look that example where only "pedia" is encoded/tokenized in the > sentence. > > https://en.wikipedia.org/wiki/Snappy_(compression) > > > > > Wikipedia is a free, web-based, collaborative, multilingual > encyclopedia > > > project. > > > > > > your data is then probably compressed with snappy. > > > > Another try would be to change compression to other values (or remove > > compression) and compare the tcp dump with the one you already have. > > > > > > Vincent. > > > > On Wed, Sep 20, 2017 at 11:58 PM, Wesley Chow <w...@chartbeat.com> wrote: > > > > > I have a producer configured to snappy compress data sent to a cluster. > > Is > > > there some way to verify that the data indeed is being compressed? If I > > > peek at the .log files on the broker, I can read some plain text > amongst > > > binary. Similarly, tcpdump shows plain text readable data. I do not > know > > if > > > this is evidence that compression is not working, but is there a better > > way > > > to verify that compression is turned on? > > > > > > Wes > > > > > > > -- > > The information transmitted is intended only for the person or entity to > > which it is addressed and may contain confidential and/or privileged > > material. Any review, retransmission, dissemination or other use of, or > > taking of any action in reliance upon, this information by persons or > > entities other than the intended recipient is prohibited. If you received > > this in error, please contact the sender and delete the material from any > > computer. > > >