Sumit: You can find doc on upgrade here: http://hbase.apache.org/book.html#hbase.rolling.restart
bq. Are there two versions of HBase You can upgrade from 0.98.2 to 0.98.3 0.98.4 RC0 would come out this weekend. Cheers On Fri, Jul 11, 2014 at 12:51 PM, Sumit Mohanty <smoha...@hortonworks.com> wrote: > Nice. > > As such rolling upgrade needs some discussion. It will be good to have > update take a new "tarball" and then just upgrade the app instance - > running or not. But that might be a little far off. Are there two versions > of HBase that I can use today and upgrade from one to the other? Can you > share some doc, if any, that describes the manual steps to do the upgrade. > > -Sumit > > > On Fri, Jul 11, 2014 at 11:30 AM, Ted Yu <yuzhih...@gmail.com> wrote: > > > Update on the action 'update': > > I verified that changing the below hbase config takes effect after > thawing > > an existing cluster: > > > > > > > <property><name>hbase.regionserver.global.memstore.lowerLimit</name><value>0.39</value><source/></property> > > > > Cheers > > >