Right - UseCompressedStrings has been removed from the JVM in 7.0. We should update our docs to reflect this.
Thanks Shivaram On Fri, Feb 21, 2014 at 4:40 PM, Fabrizio Milo aka misto <mistob...@gmail.com> wrote: > Hi everyone, > > in the tuning guide is mentioned to use the flag UseCompressedStrings > for optimization, but when I launch it on the latest java machine I > get this warning: > > Java HotSpot(TM) 64-Bit Server VM warning: ignoring option > UseCompressedStrings; support was removed in 7.0 > > https://spark.incubator.apache.org/docs/latest/tuning.html#tuning-data-structures > > > Fabrizio > -- > LinkedIn: http://linkedin.com/in/fmilo > Twitter: @fabmilo > Github: http://github.com/Mistobaan/ > ----------------------- > Simplicity, consistency, and repetition - that's how you get through. > (Jack Welch) > Perfection must be reached by degrees; she requires the slow hand of > time (Voltaire) > The best way to predict the future is to invent it (Alan Kay)
