...
The replication tool will guarantee the following:
- All edits made to all CDAP HBase tables on the Master Cluster have been successfully replicated to the Slave Cluster. HBase Replication is complete till the point of the last shutdown of CDAP Master. HDFS files on Slave cluster are consistent with Master Cluster.
- All HDFS files on the Master cluster are present on the Slave cluster.
Design Details:
...
HBase Verification:
...
WALObserver coprocessor on the Master Cluster adds the writeTime from the logKey entry to the Replication-State table the Replication State table for every region using this API.
...