Hortonworks has written a bridge tool to help with this. As far as I know, this will only work for replicating from a 0.94 cluster to a 0.96 cluster.
Check out https://github.com/hortonworks/HBaseReplicationBridgeServer On Mon, Jun 2, 2014 at 7:35 AM, yanivG <yaniv.yancov...@gmail.com> wrote: > Hi, > I am trying to upgrade from CDH4.5 (which contains Hbase 0.94.6) to CDH5.0 > (which contains hbase 0.96). > From Cloudera documentation I found that: > "Rolling upgrades from CDH 4 to CDH 5 are not possible because existing CDH > 4 HBase clients cannot make requests to CDH 5 servers and CDH 5 HBase > clients cannot make requests to CDH 4 servers. Replication between CDH 4 > and > CDH 5 is not currently supported". > > We have 2 clusters in production using replication. The question is how to > perform the upgrade on live system, if replication isn't possible from 4.5 > to 5.0. > Lets assume I will upgrade the non primary cluster to 5.0, while the live > cluster will remain the one with 4.5. How can I catch up the data > afterwards? > Does CopyTable works between 4.5 to 5.0? Is there any compatible tool to do > the migration? > Yaniv > > > > -- > View this message in context: > http://apache-hbase.679495.n3.nabble.com/Upgrade-from-Hbase-0-94-6-to-0-96-From-CDH45-CDH-5-0-tp4059931.html > Sent from the HBase User mailing list archive at Nabble.com. >
