Please read this: http://hbase.apache.org/book.html#upgrade0.96
Cheers On Fri, Jul 5, 2013 at 12:40 PM, Hanish Bansal < [email protected]> wrote: > I am using 0.94.6.1 so i will be able to rolling upgrade to 0.94.8. > > As you said that clients and servers calls between HBase minor releases are > supposed to be compatible. So there should not be any issue for rolling > upgrades between HBase minor releases. > > Will it be possible to rolling upgrade from 0.94.* to 0.95.* (After > release of 0.95 version) ? > > > On Fri, Jul 5, 2013 at 6:04 AM, Ted Yu <[email protected]> wrote: > > > Here is the JIRA that led to the release of 0.94.6.1: > > > > https://issues.apache.org/jira/browse/HBASE-8259 > > > > Cheers > > > > On Thu, Jul 4, 2013 at 10:10 AM, Jean-Marc Spaggiari < > > [email protected]> wrote: > > > > > Hi Hanish, > > > > > > Are you using 0.94.6? Or 0.94.6.1? > > > > > > There was some issues on 0.94.6 with the rolling restart I think. > > > > > > If you are using 0.94.6.1 there should not be any issue. > > > > > > And you are right, there is no API changes. It's compatible. > > > > > > JM > > > > > > 2013/7/4 Hanish Bansal <[email protected]>: > > > > Hi Jean-Marc, > > > > > > > > So I can assume that > > > > Rolling upgrade of all nodes from 0.94.6 to 0.94.8 will not cause any > > > data > > > > inconsistency. > > > > Also there will no java api changes between HBase minor releases > > > > > > > > Am i right? > > > > > > > > > > > > On Thu, Jul 4, 2013 at 8:09 PM, Jean-Marc Spaggiari < > > > [email protected] > > > >> wrote: > > > > > > > >> Hi Hanish, > > > >> > > > >> Clients and servers calls between HBase minor releases are supposed > to > > > >> be compatible. > > > >> > > > >> If you want to upgrade all your nodes from 0.94.6 to 0.94.8 (or > 0.94.9 > > > >> if you wait few days) simply deploy the new jars and do a > > > >> rolling-restart > > > >> > > > >> JM > > > >> > > > >> 2013/7/4 Hanish Bansal <[email protected]>: > > > >> > Hi > > > >> > > > > >> > I am using HBase-*0.94.6*. > > > >> > > > > >> > I am targeting recent stable release *0.94.7 or 0.94.8*. > > > >> > > > > >> > > > > >> > On Thu, Jul 4, 2013 at 2:13 PM, Jean-Marc Spaggiari < > > > >> [email protected] > > > >> >> wrote: > > > >> > > > > >> >> Hi Hanish, > > > >> >> > > > >> >> Which version are you using, and which version are you targeting? > > > >> >> > > > >> >> That will change the responses we will provide you... > > > >> >> > > > >> >> JM > > > >> >> > > > >> >> 2013/7/4 Hanish Bansal <[email protected]>: > > > >> >> > Hi All, > > > >> >> > > > > >> >> > I am using HBase in distributed mode. A number of master and > > > >> regionserver > > > >> >> > nodes are running on different machines. > > > >> >> > > > > >> >> > Now i want to upgrade HBase version to recent stable release. > > > >> >> > > > > >> >> > My main purpose is to upgrade HBase without shutting down whole > > > >> cluster. > > > >> >> > > > > >> >> > I want to know if on one machine i upgrade HBase and on another > > > >> machines > > > >> >> > old HBase version are running. Will it create any problem? > > > >> >> > > > > >> >> > If i upgrade whole cluster to new HBase version then will it be > > > >> >> consistent > > > >> >> > with previous data? > > > >> >> > > > > >> >> > -- > > > >> >> > *Thanks & Regards* > > > >> >> > *Hanish Bansal* > > > >> >> > > > >> > > > > >> > > > > >> > > > > >> > -- > > > >> > *Thanks & Regards* > > > >> > *Hanish Bansal* > > > >> > > > > > > > > > > > > > > > > -- > > > > *Thanks & Regards* > > > > *Hanish Bansal* > > > > > > > > > -- > *Thanks & Regards* > *Hanish Bansal* >
