HBASE-3448 : RegionSplitter Utility class for manual region splitting
Review Request #1469 - Created Jan. 16, 2011 and updated
For certain use cases, there are a number of advantages to manually splitting regions instead of having the HBase split code determine this for you automatically. There are currently some API additions to HBaseAdmin and HTable that allow you to manually split on a small scale. This JIRA is about importing a RegionSplitter utility program to help pre-split and perform rolling splits on a live table when needed. Will also add documentation to answer common questions about why you would pre-split.
bin/hbase org.apache.hadoop.hbase.util.RegionSplitter -c 60 -f test:rs myTable bin/hbase org.apache.hadoop.hbase.util.RegionSplitter -r myTable