org.apache.hadoop.hbase.util

Class ModifyRegionUtils

java.lang.Object

org.apache.hadoop.hbase.util.ModifyRegionUtils

@InterfaceAudience.Private
public abstract class ModifyRegionUtils
extends Object

Utility methods for interacting with the regions.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	ModifyRegionUtils.RegionFillTask

Method Summary

Methods

Modifier and Type	Method and Description
static List<HRegionInfo>	createRegions(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.Path rootDir, HTableDescriptor hTableDescriptor, HRegionInfo[] newRegions) Create new set of regions on the specified file-system.
static List<HRegionInfo>	createRegions(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.Path rootDir, HTableDescriptor hTableDescriptor, HRegionInfo[] newRegions, ModifyRegionUtils.RegionFillTask task) Create new set of regions on the specified file-system.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

createRegions

public static List<HRegionInfo> createRegions(org.apache.hadoop.conf.Configuration conf,
                              org.apache.hadoop.fs.Path rootDir,
                              HTableDescriptor hTableDescriptor,
                              HRegionInfo[] newRegions)
                                       throws IOException

Create new set of regions on the specified file-system. NOTE: that you should add the regions to hbase:meta after this operation.

Parameters:

conf - Configuration

rootDir - Root directory for HBase instance

hTableDescriptor - description of the table

newRegions - HRegionInfo that describes the regions to create

Throws:

IOException

createRegions

public static List<HRegionInfo> createRegions(org.apache.hadoop.conf.Configuration conf,
                              org.apache.hadoop.fs.Path rootDir,
                              HTableDescriptor hTableDescriptor,
                              HRegionInfo[] newRegions,
                              ModifyRegionUtils.RegionFillTask task)
                                       throws IOException

Create new set of regions on the specified file-system. NOTE: that you should add the regions to hbase:meta after this operation.

Parameters:

conf - Configuration

rootDir - Root directory for HBase instance

hTableDescriptor - description of the table

newRegions - HRegionInfo that describes the regions to create

task - ModifyRegionUtils.RegionFillTask custom code to populate region after creation

Throws:

IOException