@Before
public void setup() throws IOException {
TEST_UTIL = HBaseTestingUtility.createLocalHTU();
CONF = TEST_UTIL.getConfiguration();
// Disable block cache.
CONF.setFloat(HConstants.HFILE_BLOCK_CACHE_SIZE_KEY, 0f);
dir = TEST_UTIL.getDataTestDir("TestHRegion").toString();
tableName = TableName.valueOf(name.getMethodName());
}
@Before
public void setUp() throws Exception {
File tempDir = Files.createTempDir();
tempDir.deleteOnExit();
htu = HBaseTestingUtility.createLocalHTU();
try {
htu.cleanupTestDir();
htu.startMiniZKCluster();
htu.startMiniHBaseCluster(1, 1);
try {
htu.deleteTable(Bytes.toBytes(tableName));
} catch (Exception e) {
Log.info(" - no table " + tableName + " found");
}
htu.createTable(Bytes.toBytes(tableName), colFam);
dao =
new Hbase1OffsetStore.Builder()
.setHbaseConfiguration(htu.getConfiguration())
.setOffsetTable(tableName)
.build();
} catch (Exception e1) {
throw new RuntimeException(e1);
}
KOM =
new KafkaOffsetManager.Builder()
.setOffsetManager(dao)
.setKafkaBrokerList("localhost:" + kafkaRule.kafkaBrokerPort())
.setGroupID(testGroupID)
.setTopic(testTopicName)
.build();
}
/** Tests encoded seekers by loading and reading values. */
@Category({IOTests.class, MediumTests.class})
@RunWith(Parameterized.class)
public class TestEncodedSeekers {
private static final String TABLE_NAME = "encodedSeekersTable";
private static final String CF_NAME = "encodedSeekersCF";
private static final byte[] CF_BYTES = Bytes.toBytes(CF_NAME);
private static final int MAX_VERSIONS = 5;
private static final int BLOCK_SIZE = 64 * 1024;
private static final int MIN_VALUE_SIZE = 30;
private static final int MAX_VALUE_SIZE = 60;
private static final int NUM_ROWS = 1003;
private static final int NUM_COLS_PER_ROW = 20;
private static final int NUM_HFILES = 4;
private static final int NUM_ROWS_PER_FLUSH = NUM_ROWS / NUM_HFILES;
private final HBaseTestingUtility testUtil = HBaseTestingUtility.createLocalHTU();
private final DataBlockEncoding encoding;
private final boolean includeTags;
private final boolean compressTags;
/** Enable when debugging */
private static final boolean VERBOSE = false;
@Parameters
public static Collection<Object[]> parameters() {
List<Object[]> paramList = new ArrayList<Object[]>();
for (DataBlockEncoding encoding : DataBlockEncoding.values()) {
for (boolean includeTags : new boolean[] {false, true}) {
for (boolean compressTags : new boolean[] {false, true}) {
paramList.add(new Object[] {encoding, includeTags, compressTags});
}
}
}
return paramList;
}
public TestEncodedSeekers(DataBlockEncoding encoding, boolean includeTags, boolean compressTags) {
this.encoding = encoding;
this.includeTags = includeTags;
this.compressTags = compressTags;
}
@Test
public void testEncodedSeeker() throws IOException {
System.err.println(
"Testing encoded seekers for encoding : "
+ encoding
+ ", includeTags : "
+ includeTags
+ ", compressTags : "
+ compressTags);
if (includeTags) {
testUtil.getConfiguration().setInt(HFile.FORMAT_VERSION_KEY, 3);
}
LruBlockCache cache =
(LruBlockCache) new CacheConfig(testUtil.getConfiguration()).getBlockCache();
cache.clearCache();
// Need to disable default row bloom filter for this test to pass.
HColumnDescriptor hcd =
(new HColumnDescriptor(CF_NAME))
.setMaxVersions(MAX_VERSIONS)
.setDataBlockEncoding(encoding)
.setBlocksize(BLOCK_SIZE)
.setBloomFilterType(BloomType.NONE)
.setCompressTags(compressTags);
HRegion region = testUtil.createTestRegion(TABLE_NAME, hcd);
// write the data, but leave some in the memstore
doPuts(region);
// verify correctness when memstore contains data
doGets(region);
// verify correctness again after compacting
region.compactStores();
doGets(region);
Map<DataBlockEncoding, Integer> encodingCounts = cache.getEncodingCountsForTest();
// Ensure that compactions don't pollute the cache with unencoded blocks
// in case of in-cache-only encoding.
System.err.println("encodingCounts=" + encodingCounts);
assertEquals(1, encodingCounts.size());
DataBlockEncoding encodingInCache = encodingCounts.keySet().iterator().next();
assertEquals(encoding, encodingInCache);
assertTrue(encodingCounts.get(encodingInCache) > 0);
}
private void doPuts(HRegion region) throws IOException {
LoadTestKVGenerator dataGenerator = new LoadTestKVGenerator(MIN_VALUE_SIZE, MAX_VALUE_SIZE);
for (int i = 0; i < NUM_ROWS; ++i) {
byte[] key = LoadTestKVGenerator.md5PrefixedKey(i).getBytes();
for (int j = 0; j < NUM_COLS_PER_ROW; ++j) {
Put put = new Put(key);
byte[] col = Bytes.toBytes(String.valueOf(j));
byte[] value = dataGenerator.generateRandomSizeValue(key, col);
if (includeTags) {
Tag[] tag = new Tag[1];
tag[0] = new Tag((byte) 1, "Visibility");
KeyValue kv = new KeyValue(key, CF_BYTES, col, HConstants.LATEST_TIMESTAMP, value, tag);
put.add(kv);
} else {
put.add(CF_BYTES, col, value);
}
if (VERBOSE) {
KeyValue kvPut = new KeyValue(key, CF_BYTES, col, value);
System.err.println(Strings.padFront(i + "", ' ', 4) + " " + kvPut);
}
region.put(put);
}
if (i % NUM_ROWS_PER_FLUSH == 0) {
region.flushcache();
}
}
}
private void doGets(HRegion region) throws IOException {
for (int i = 0; i < NUM_ROWS; ++i) {
final byte[] rowKey = LoadTestKVGenerator.md5PrefixedKey(i).getBytes();
for (int j = 0; j < NUM_COLS_PER_ROW; ++j) {
final String qualStr = String.valueOf(j);
if (VERBOSE) {
System.err.println(
"Reading row " + i + ", column " + j + " " + Bytes.toString(rowKey) + "/" + qualStr);
}
final byte[] qualBytes = Bytes.toBytes(qualStr);
Get get = new Get(rowKey);
get.addColumn(CF_BYTES, qualBytes);
Result result = region.get(get);
assertEquals(1, result.size());
byte[] value = result.getValue(CF_BYTES, qualBytes);
assertTrue(LoadTestKVGenerator.verify(value, rowKey, qualBytes));
}
}
}
}
/** Test of the {@link CloseRegionHandler}. */
@Category(MediumTests.class)
public class TestCloseRegionHandler {
static final Log LOG = LogFactory.getLog(TestCloseRegionHandler.class);
private static final HBaseTestingUtility HTU = HBaseTestingUtility.createLocalHTU();
private static final HTableDescriptor TEST_HTD =
new HTableDescriptor(TableName.valueOf("TestCloseRegionHandler"));
private HRegionInfo TEST_HRI;
private int testIndex = 0;
@BeforeClass
public static void before() throws Exception {
HTU.startMiniZKCluster();
}
@AfterClass
public static void after() throws IOException {
HTU.shutdownMiniZKCluster();
}
/**
* Before each test, use a different HRI, so the different tests don't interfere with each other.
* This allows us to use just a single ZK cluster for the whole suite.
*/
@Before
public void setupHRI() {
TEST_HRI =
new HRegionInfo(
TEST_HTD.getTableName(), Bytes.toBytes(testIndex), Bytes.toBytes(testIndex + 1));
testIndex++;
}
/**
* Test that if we fail a flush, abort gets set on close.
*
* @see <a href="https://issues.apache.org/jira/browse/HBASE-4270">HBASE-4270</a>
* @throws IOException
* @throws NodeExistsException
* @throws KeeperException
*/
@Test
public void testFailedFlushAborts() throws IOException, NodeExistsException, KeeperException {
final Server server = new MockServer(HTU, false);
final RegionServerServices rss = HTU.createMockRegionServerService();
HTableDescriptor htd = TEST_HTD;
final HRegionInfo hri =
new HRegionInfo(htd.getTableName(), HConstants.EMPTY_END_ROW, HConstants.EMPTY_END_ROW);
HRegion region = HTU.createLocalHRegion(hri, htd);
try {
assertNotNull(region);
// Spy on the region so can throw exception when close is called.
HRegion spy = Mockito.spy(region);
final boolean abort = false;
Mockito.when(spy.close(abort)).thenThrow(new RuntimeException("Mocked failed close!"));
// The CloseRegionHandler will try to get an HRegion that corresponds
// to the passed hri -- so insert the region into the online region Set.
rss.addToOnlineRegions(spy);
// Assert the Server is NOT stopped before we call close region.
assertFalse(server.isStopped());
CloseRegionHandler handler = new CloseRegionHandler(server, rss, hri, false, false, -1);
boolean throwable = false;
try {
handler.process();
} catch (Throwable t) {
throwable = true;
} finally {
assertTrue(throwable);
// Abort calls stop so stopped flag should be set.
assertTrue(server.isStopped());
}
} finally {
HRegion.closeHRegion(region);
}
}
/**
* Test if close region can handle ZK closing node version mismatch
*
* @throws IOException
* @throws NodeExistsException
* @throws KeeperException
* @throws DeserializationException
*/
@Test
public void testZKClosingNodeVersionMismatch()
throws IOException, NodeExistsException, KeeperException, DeserializationException {
final Server server = new MockServer(HTU);
final RegionServerServices rss = HTU.createMockRegionServerService();
HTableDescriptor htd = TEST_HTD;
final HRegionInfo hri = TEST_HRI;
// open a region first so that it can be closed later
OpenRegion(server, rss, htd, hri);
// close the region
// Create it CLOSING, which is what Master set before sending CLOSE RPC
int versionOfClosingNode =
ZKAssign.createNodeClosing(server.getZooKeeper(), hri, server.getServerName());
// The CloseRegionHandler will validate the expected version
// Given it is set to invalid versionOfClosingNode+1,
// CloseRegionHandler should be M_ZK_REGION_CLOSING
CloseRegionHandler handler =
new CloseRegionHandler(server, rss, hri, false, true, versionOfClosingNode + 1);
handler.process();
// Handler should remain in M_ZK_REGION_CLOSING
RegionTransition rt =
RegionTransition.parseFrom(ZKAssign.getData(server.getZooKeeper(), hri.getEncodedName()));
assertTrue(rt.getEventType().equals(EventType.M_ZK_REGION_CLOSING));
}
/**
* Test if the region can be closed properly
*
* @throws IOException
* @throws NodeExistsException
* @throws KeeperException
* @throws org.apache.hadoop.hbase.exceptions.DeserializationException
*/
@Test
public void testCloseRegion()
throws IOException, NodeExistsException, KeeperException, DeserializationException {
final Server server = new MockServer(HTU);
final RegionServerServices rss = HTU.createMockRegionServerService();
HTableDescriptor htd = TEST_HTD;
HRegionInfo hri = TEST_HRI;
// open a region first so that it can be closed later
OpenRegion(server, rss, htd, hri);
// close the region
// Create it CLOSING, which is what Master set before sending CLOSE RPC
int versionOfClosingNode =
ZKAssign.createNodeClosing(server.getZooKeeper(), hri, server.getServerName());
// The CloseRegionHandler will validate the expected version
// Given it is set to correct versionOfClosingNode,
// CloseRegionHandlerit should be RS_ZK_REGION_CLOSED
CloseRegionHandler handler =
new CloseRegionHandler(server, rss, hri, false, true, versionOfClosingNode);
handler.process();
// Handler should have transitioned it to RS_ZK_REGION_CLOSED
RegionTransition rt =
RegionTransition.parseFrom(ZKAssign.getData(server.getZooKeeper(), hri.getEncodedName()));
assertTrue(rt.getEventType().equals(EventType.RS_ZK_REGION_CLOSED));
}
private void OpenRegion(
Server server, RegionServerServices rss, HTableDescriptor htd, HRegionInfo hri)
throws IOException, NodeExistsException, KeeperException, DeserializationException {
// Create it OFFLINE node, which is what Master set before sending OPEN RPC
ZKAssign.createNodeOffline(server.getZooKeeper(), hri, server.getServerName());
OpenRegionHandler openHandler = new OpenRegionHandler(server, rss, hri, htd);
rss.getRegionsInTransitionInRS().put(hri.getEncodedNameAsBytes(), Boolean.TRUE);
openHandler.process();
// This parse is not used?
RegionTransition.parseFrom(ZKAssign.getData(server.getZooKeeper(), hri.getEncodedName()));
// delete the node, which is what Master do after the region is opened
ZKAssign.deleteNode(
server.getZooKeeper(),
hri.getEncodedName(),
EventType.RS_ZK_REGION_OPENED,
server.getServerName());
}
}