Print tables having more than one region

region_counts.rb

include Java
import org.apache.hadoop.hbase.HBaseConfiguration
import org.apache.hadoop.hbase.client.HBaseAdmin
import org.apache.hadoop.hbase.client.HTable
import org.apache.hadoop.hbase.util.Bytes

conf = HBaseConfiguration.create()
admin = HBaseAdmin.new(conf)

tables = admin.listTables()
table_regioncounts = {}

tables.each do |t|
table_name = Bytes.toString(t.getName())
table_handle = HTable.new(conf, table_name)
regions = table_handle.getRegionsInfo()
if regions.size > 1
table_regioncounts[table_name] = regions.size
end
table_handle.close
end
puts table_regioncounts.inspect