Package org.apache.hadoop.hbase.snapshot

Class TestExportSnapshotHelpers

java.lang.Object

org.apache.hadoop.hbase.snapshot.TestExportSnapshotHelpers

public class TestExportSnapshotHelpers
extends Object

Test Export Snapshot Tool helpers

Field Summary

Fields

Modifier and Type	Field	Description
static final HBaseClassTestRule	CLASS_RULE

Constructor Summary

Constructors

Constructor	Description
TestExportSnapshotHelpers()

Method Summary

Modifier and Type	Method	Description
void	testBalanceSplit()	Verfy the result of getBalanceSplits() method.
private void	verifyBalanceSplit(List<org.apache.hadoop.hbase.util.Pair<org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotFileInfo,Long>> split, String[] expected, long expectedSize)

Methods inherited from class java.lang.Object

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

Field Details

CLASS_RULE

public static final HBaseClassTestRule CLASS_RULE

Constructor Details

TestExportSnapshotHelpers

public TestExportSnapshotHelpers()

Method Details

testBalanceSplit

public void testBalanceSplit()
                      throws 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:

Exception

verifyBalanceSplit

private void verifyBalanceSplit(List<org.apache.hadoop.hbase.util.Pair<org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotFileInfo,Long>> split,
 String[] expected,
 long expectedSize)