Package org.apache.hadoop.hbase.client

Class TestScannerTimeout

java.lang.Object

org.apache.hadoop.hbase.client.TestScannerTimeout

@Tag("org.apache.hadoop.hbase.testclassification.LargeTests") @Tag("org.apache.hadoop.hbase.testclassification.ClientTests")
public class TestScannerTimeout
extends Object

Test various scanner timeout issues.

Field Summary

Fields

Modifier and Type	Field	Description
private static final org.slf4j.Logger	LOG
private static final int	NB_ROWS
private static final int	SCANNER_CACHING
private static final int	SCANNER_TIMEOUT
private static final byte[]	SOME_BYTES
private static final org.apache.hadoop.hbase.TableName	TABLE_NAME
private static final HBaseTestingUtil	TEST_UTIL
private static final int	THREAD_WAKE_FREQUENCY

Constructor Summary

Constructors

Constructor	Description
TestScannerTimeout()

Method Summary

Modifier and Type	Method	Description
void	setUp()
static void	setUpBeforeClass()
static void	tearDownAfterClass()
void	test2772()	Test that scanner can continue even if the region server it was reading from failed.
void	test3686a()	Test that scanner won't miss any rows if the region server it was reading from failed.
void	test3686b()	Make sure that no rows are lost if the scanner timeout is longer on the client than the server, and the scan times out on the server but not the client.

Methods inherited from class java.lang.Object

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

Field Details

TEST_UTIL

private static final HBaseTestingUtil TEST_UTIL

LOG

private static final org.slf4j.Logger LOG

SOME_BYTES

private static final byte[] SOME_BYTES

TABLE_NAME

private static final org.apache.hadoop.hbase.TableName TABLE_NAME

NB_ROWS

private static final int NB_ROWS

See Also:

• Constant Field Values

THREAD_WAKE_FREQUENCY

private static final int THREAD_WAKE_FREQUENCY

See Also:

• Constant Field Values

SCANNER_TIMEOUT

private static final int SCANNER_TIMEOUT

See Also:

• Constant Field Values

SCANNER_CACHING

private static final int SCANNER_CACHING

See Also:

• Constant Field Values

Constructor Details

TestScannerTimeout

public TestScannerTimeout()

Method Details

setUpBeforeClass

@BeforeAll
public static void setUpBeforeClass()
                             throws Exception

Throws:

Exception

tearDownAfterClass

@AfterAll
public static void tearDownAfterClass()
                               throws Exception

Throws:

Exception

setUp

@BeforeEach
public void setUp()
           throws Exception

Throws:

Exception

test2772

@Test
public void test2772()
              throws Exception

Test that scanner can continue even if the region server it was reading from failed. Before 2772, it reused the same scanner id.

Throws:

Exception

test3686a

@Test
public void test3686a()
               throws Exception

Test that scanner won't miss any rows if the region server it was reading from failed. Before 3686, it would skip rows in the scan.

Throws:

Exception

test3686b

@Test
public void test3686b()
               throws Exception

Make sure that no rows are lost if the scanner timeout is longer on the client than the server, and the scan times out on the server but not the client.

Throws:

Exception