Package org.apache.hadoop.hbase.io.hfile

Class TestHFileSeek

java.lang.Object

org.apache.hadoop.hbase.io.hfile.TestHFileSeek

@Tag("org.apache.hadoop.hbase.testclassification.IOTests") @Tag("org.apache.hadoop.hbase.testclassification.SmallTests")
public class TestHFileSeek
extends Object

test the performance for seek.

Copied from hadoop-3315 tfile. Remove after tfile is committed and use the tfile version of this class instead.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	TestHFileSeek.IntegerRange
private static class	TestHFileSeek.MyOptions

Field Summary

Fields

Modifier and Type	Field	Description
private static final byte[]	CF
private org.apache.hadoop.conf.Configuration	conf
private org.apache.hadoop.fs.FileSystem	fs
private org.apache.hadoop.hbase.util.RandomDistribution.DiscreteRNG	keyLenGen
private KVGenerator	kvGen
private static final org.slf4j.Logger	LOG
private TestHFileSeek.MyOptions	options
private org.apache.hadoop.fs.Path	path
private static final byte[]	QUAL
private Random	rng
private NanoTimer	timer
private static final boolean	USE_PREAD

Constructor Summary

Constructors

Constructor	Description
TestHFileSeek()

Method Summary

Modifier and Type	Method	Description
private static org.apache.hadoop.fs.FSDataOutputStream	createFSOutput(org.apache.hadoop.fs.Path name, org.apache.hadoop.fs.FileSystem fs)
private void	createTFile()
static void	main(String[] argv)
void	seekTFile()
void	setUp()
void	tearDown()
void	testSeeks()

Methods inherited from class java.lang.Object

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

Field Details

CF

private static final byte[] CF

QUAL

private static final byte[] QUAL

USE_PREAD

private static final boolean USE_PREAD

See Also:

• Constant Field Values

options

private TestHFileSeek.MyOptions options

conf

private org.apache.hadoop.conf.Configuration conf

path

private org.apache.hadoop.fs.Path path

fs

private org.apache.hadoop.fs.FileSystem fs

timer

private NanoTimer timer

rng

private Random rng

keyLenGen

private org.apache.hadoop.hbase.util.RandomDistribution.DiscreteRNG keyLenGen

kvGen

private KVGenerator kvGen

LOG

private static final org.slf4j.Logger LOG

Constructor Details

TestHFileSeek

public TestHFileSeek()

Method Details

setUp

@BeforeEach
public void setUp()
           throws IOException

Throws:

IOException

tearDown

@AfterEach
public void tearDown()

createFSOutput

private static org.apache.hadoop.fs.FSDataOutputStream createFSOutput(org.apache.hadoop.fs.Path name,
 org.apache.hadoop.fs.FileSystem fs)
                                                               throws IOException

Throws:

IOException

createTFile

private void createTFile()
                  throws IOException

Throws:

IOException

seekTFile

public void seekTFile()
               throws IOException

Throws:

IOException

testSeeks

@Test
public void testSeeks()
               throws IOException

Throws:

IOException

main

public static void main(String[] argv)
                 throws IOException

Throws:

IOException