org.apache.hadoop.hbase.snapshot

Class TestExportSnapshotHelpers

java.lang.Object

org.apache.hadoop.hbase.snapshot.TestExportSnapshotHelpers

public class TestExportSnapshotHelpers
extends java.lang.Object

Test Export Snapshot Tool helpers

Field Summary

Fields

Modifier and Type	Field and Description
static HBaseClassTestRule	CLASS_RULE

Constructor Summary

Constructors

Constructor and Description
TestExportSnapshotHelpers()

Method Summary

Modifier and Type	Method and Description
void	testBalanceSplit() Verfy the result of getBalanceSplits() method.

Methods inherited from class java.lang.Object

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

Field Detail

CLASS_RULE

public static final HBaseClassTestRule CLASS_RULE

Constructor Detail

TestExportSnapshotHelpers

public TestExportSnapshotHelpers()

Method Detail

testBalanceSplit

public void testBalanceSplit()
                      throws java.lang.Exception

Verfy the result of getBalanceSplits() method. The result are groups of files, used as input list for the "export" mappers. All the groups should have similar amount of data. The input list is a pair of file path and length. The getBalanceSplits() function sort it by length, and assign to each group a file, going back and forth through the groups.

Throws:

java.lang.Exception