Thank you. What if I stop HBase and copy whole hbase directory to my local disk ? Will that work if something went wrong with the upgrade ?
Also could you please tell me what's the difference between export and snapshot ? Thanks, Chathuri On Wed, Mar 30, 2016 at 10:01 AM, Ted Yu <[email protected]> wrote: > You can also snapshot each of the 647 tables. > In case something goes unexpected, you can restore any of them. > > FYI > > On Wed, Mar 30, 2016 at 6:46 AM, Chathuri Wimalasena <[email protected] > > > wrote: > > > Hi All, > > > > We have production system using hadoop 2.5.1 and HBase 0.94.23. We have > > nearly around 200 TB of data in HDFS and we are planning to upgrade to > > newer hadoop version 2.7.2. In HBase we have roughly 647 tables. Before > the > > upgrade, we want to back up HBase tables in case of data loss or > corruption > > while upgrade. We are thinking of using export and import functionality > to > > export each table. Is there any other recommended way to back up hbase > > tables ? > > > > Thanks, > > Chathuri > > >
