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HBase >> mail # user >> HBase Upgrade


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*