public static void checkRegionIsOpened(HBaseTestingUtility HTU, HRegionServer rs, HRegionInfo hri)
throws Exception {
while (!rs.getRegionsInTransitionInRS().isEmpty()) {
Thread.sleep(1);
}
Assert.assertTrue(rs.getRegion(hri.getRegionName()).isAvailable());
}
public static void checkRegionIsClosed(HBaseTestingUtility HTU, HRegionServer rs, HRegionInfo hri)
throws Exception {
while (!rs.getRegionsInTransitionInRS().isEmpty()) {
Thread.sleep(1);
}
try {
Assert.assertFalse(rs.getRegion(hri.getRegionName()).isAvailable());
} catch (NotServingRegionException expected) {
// That's how it work: if the region is closed we have an exception.
}
}
private int start() throws Exception {
Configuration conf = getConf();
// If 'local', don't start a region server here. Defer to
// LocalHBaseCluster. It manages 'local' clusters.
if (LocalHBaseCluster.isLocal(conf)) {
LOG.warn(
"Not starting a distinct region server because "
+ HConstants.CLUSTER_DISTRIBUTED
+ " is false");
} else {
logJVMInfo();
HRegionServer hrs = HRegionServer.constructRegionServer(regionServerClass, conf);
HRegionServer.startRegionServer(hrs);
}
return 0;
}
public static void closeRegion(HBaseTestingUtility HTU, HRegionServer rs, HRegionInfo hri)
throws Exception {
AdminProtos.CloseRegionRequest crr =
RequestConverter.buildCloseRegionRequest(rs.getServerName(), hri.getEncodedName());
AdminProtos.CloseRegionResponse responseClose = rs.rpcServices.closeRegion(null, crr);
Assert.assertTrue(responseClose.getClosed());
checkRegionIsClosed(HTU, rs, hri);
}
public boolean isMetaRegion(byte[] regionName) {
HRegion region;
try {
region = hRegionServer.getRegion(regionName);
} catch (NotServingRegionException ignored) {
return false;
}
return region.getRegionInfo().isMetaTable();
}
public static void openRegion(HBaseTestingUtility HTU, HRegionServer rs, HRegionInfo hri)
throws Exception {
AdminProtos.OpenRegionRequest orr =
RequestConverter.buildOpenRegionRequest(rs.getServerName(), hri, null, null);
AdminProtos.OpenRegionResponse responseOpen = rs.rpcServices.openRegion(null, orr);
Assert.assertTrue(responseOpen.getOpeningStateCount() == 1);
Assert.assertTrue(
responseOpen
.getOpeningState(0)
.equals(AdminProtos.OpenRegionResponse.RegionOpeningState.OPENED));
checkRegionIsOpened(HTU, rs, hri);
}
public static void stopMasterAndAssignMeta(HBaseTestingUtility HTU)
throws IOException, InterruptedException {
// Stop master
HMaster master = HTU.getHBaseCluster().getMaster();
ServerName masterAddr = master.getServerName();
master.stopMaster();
Log.info("Waiting until master thread exits");
while (HTU.getHBaseCluster().getMasterThread() != null
&& HTU.getHBaseCluster().getMasterThread().isAlive()) {
Threads.sleep(100);
}
HRegionServer.TEST_SKIP_REPORTING_TRANSITION = true;
// Master is down, so is the meta. We need to assign it somewhere
// so that regions can be assigned during the mocking phase.
HRegionServer hrs = HTU.getHBaseCluster().getLiveRegionServerThreads().get(0).getRegionServer();
ZooKeeperWatcher zkw = hrs.getZooKeeper();
MetaTableLocator mtl = new MetaTableLocator();
ServerName sn = mtl.getMetaRegionLocation(zkw);
if (sn != null && !masterAddr.equals(sn)) {
return;
}
ProtobufUtil.openRegion(
hrs.getRSRpcServices(), hrs.getServerName(), HRegionInfo.FIRST_META_REGIONINFO);
while (true) {
sn = mtl.getMetaRegionLocation(zkw);
if (sn != null
&& sn.equals(hrs.getServerName())
&& hrs.onlineRegions.containsKey(HRegionInfo.FIRST_META_REGIONINFO.getEncodedName())) {
break;
}
Thread.sleep(100);
}
}
@Override
public Integer apply(Pair<RequestHeader, Message> headerAndParam) {
RequestHeader header = headerAndParam.getFirst();
String methodName = header.getMethodName();
Integer priorityByAnnotation = annotatedQos.get(methodName);
if (priorityByAnnotation != null) {
return priorityByAnnotation;
}
Message param = headerAndParam.getSecond();
if (param == null) {
return HConstants.NORMAL_QOS;
}
if (methodName.equalsIgnoreCase("multi") && param instanceof MultiRequest) {
// The multi call has its priority set in the header. All calls should work this way but
// only this one has been converted so far. No priority == NORMAL_QOS.
return header.hasPriority() ? header.getPriority() : HConstants.NORMAL_QOS;
}
String cls = param.getClass().getName();
Class<? extends Message> rpcArgClass = argumentToClassMap.get(cls);
RegionSpecifier regionSpecifier = null;
// check whether the request has reference to meta region or now.
try {
// Check if the param has a region specifier; the pb methods are hasRegion and getRegion if
// hasRegion returns true. Not all listed methods have region specifier each time. For
// example, the ScanRequest has it on setup but thereafter relies on the scannerid rather than
// send the region over every time.
Method hasRegion = methodMap.get("hasRegion").get(rpcArgClass);
if (hasRegion != null && (Boolean) hasRegion.invoke(param, (Object[]) null)) {
Method getRegion = methodMap.get("getRegion").get(rpcArgClass);
regionSpecifier = (RegionSpecifier) getRegion.invoke(param, (Object[]) null);
HRegion region = hRegionServer.getRegion(regionSpecifier);
if (region.getRegionInfo().isMetaTable()) {
if (LOG.isTraceEnabled()) {
LOG.trace("High priority because region=" + region.getRegionNameAsString());
}
return HConstants.HIGH_QOS;
}
}
} catch (Exception ex) {
// Not good throwing an exception out of here, a runtime anyways. Let the query go into the
// server and have it throw the exception if still an issue. Just mark it normal priority.
if (LOG.isTraceEnabled()) LOG.trace("Marking normal priority after getting exception=" + ex);
return HConstants.NORMAL_QOS;
}
if (methodName.equals("scan")) { // scanner methods...
ScanRequest request = (ScanRequest) param;
if (!request.hasScannerId()) {
return HConstants.NORMAL_QOS;
}
RegionScanner scanner = hRegionServer.getScanner(request.getScannerId());
if (scanner != null && scanner.getRegionInfo().isMetaRegion()) {
if (LOG.isTraceEnabled()) {
// Scanner requests are small in size so TextFormat version should not overwhelm log.
LOG.trace("High priority scanner request " + TextFormat.shortDebugString(request));
}
return HConstants.HIGH_QOS;
}
}
return HConstants.NORMAL_QOS;
}
@Test
public void testIsStale() throws IOException {
int period = 0;
byte[][] families = new byte[][] {Bytes.toBytes("cf")};
byte[] qf = Bytes.toBytes("cq");
HRegionServer regionServer = mock(HRegionServer.class);
List<Region> regions = new ArrayList<Region>();
when(regionServer.getOnlineRegionsLocalContext()).thenReturn(regions);
when(regionServer.getConfiguration()).thenReturn(TEST_UTIL.getConfiguration());
HTableDescriptor htd = getTableDesc(TableName.valueOf("testIsStale"), families);
Region primary = initHRegion(htd, HConstants.EMPTY_START_ROW, HConstants.EMPTY_END_ROW, 0);
Region replica1 = initHRegion(htd, HConstants.EMPTY_START_ROW, HConstants.EMPTY_END_ROW, 1);
regions.add(primary);
regions.add(replica1);
StaleStorefileRefresherChore chore =
new StaleStorefileRefresherChore(period, regionServer, new StoppableImplementation());
// write some data to primary and flush
putData(primary, 0, 100, qf, families);
primary.flush(true);
verifyData(primary, 0, 100, qf, families);
try {
verifyData(replica1, 0, 100, qf, families);
Assert.fail("should have failed");
} catch (AssertionError ex) {
// expected
}
chore.chore();
verifyData(replica1, 0, 100, qf, families);
// simulate an fs failure where we cannot refresh the store files for the replica
((FailingHRegionFileSystem) ((HRegion) replica1).getRegionFileSystem()).fail = true;
// write some more data to primary and flush
putData(primary, 100, 100, qf, families);
primary.flush(true);
verifyData(primary, 0, 200, qf, families);
chore.chore(); // should not throw ex, but we cannot refresh the store files
verifyData(replica1, 0, 100, qf, families);
try {
verifyData(replica1, 100, 100, qf, families);
Assert.fail("should have failed");
} catch (AssertionError ex) {
// expected
}
chore.isStale = true;
chore.chore(); // now after this, we cannot read back any value
try {
verifyData(replica1, 0, 100, qf, families);
Assert.fail("should have failed with IOException");
} catch (IOException ex) {
// expected
}
}
@Test(timeout = 300000)
public void testDataCorrectnessReplayingRecoveredEdits() throws Exception {
final int NUM_MASTERS = 1;
final int NUM_RS = 3;
TEST_UTIL.startMiniCluster(NUM_MASTERS, NUM_RS);
try {
final byte[] TABLENAME = Bytes.toBytes("testDataCorrectnessReplayingRecoveredEdits");
final byte[] FAMILY = Bytes.toBytes("family");
MiniHBaseCluster cluster = TEST_UTIL.getHBaseCluster();
HMaster master = cluster.getMaster();
// Create table
HTableDescriptor desc = new HTableDescriptor(TABLENAME);
desc.addFamily(new HColumnDescriptor(FAMILY));
HBaseAdmin hbaseAdmin = TEST_UTIL.getHBaseAdmin();
hbaseAdmin.createTable(desc);
assertTrue(hbaseAdmin.isTableAvailable(TABLENAME));
// Put data: r1->v1
Log.info("Loading r1 to v1 into " + Bytes.toString(TABLENAME));
HTable table = new HTable(TEST_UTIL.getConfiguration(), TABLENAME);
putDataAndVerify(table, "r1", FAMILY, "v1", 1);
// Move region to target server
HRegionInfo regionInfo = table.getRegionLocation("r1").getRegionInfo();
int originServerNum = cluster.getServerWith(regionInfo.getRegionName());
HRegionServer originServer = cluster.getRegionServer(originServerNum);
int targetServerNum = (originServerNum + 1) % NUM_RS;
HRegionServer targetServer = cluster.getRegionServer(targetServerNum);
assertFalse(originServer.equals(targetServer));
Log.info("Moving " + regionInfo.getEncodedName() + " to " + targetServer.getServerName());
hbaseAdmin.move(
regionInfo.getEncodedNameAsBytes(),
Bytes.toBytes(targetServer.getServerName().getServerName()));
do {
Thread.sleep(1);
} while (cluster.getServerWith(regionInfo.getRegionName()) == originServerNum);
// Put data: r2->v2
Log.info("Loading r2 to v2 into " + Bytes.toString(TABLENAME));
putDataAndVerify(table, "r2", FAMILY, "v2", 2);
// Move region to origin server
Log.info("Moving " + regionInfo.getEncodedName() + " to " + originServer.getServerName());
hbaseAdmin.move(
regionInfo.getEncodedNameAsBytes(),
Bytes.toBytes(originServer.getServerName().getServerName()));
do {
Thread.sleep(1);
} while (cluster.getServerWith(regionInfo.getRegionName()) == targetServerNum);
// Put data: r3->v3
Log.info("Loading r3 to v3 into " + Bytes.toString(TABLENAME));
putDataAndVerify(table, "r3", FAMILY, "v3", 3);
// Kill target server
Log.info("Killing target server " + targetServer.getServerName());
targetServer.kill();
cluster.getRegionServerThreads().get(targetServerNum).join();
// Wait until finish processing of shutdown
while (master.getServerManager().areDeadServersInProgress()) {
Thread.sleep(5);
}
// Kill origin server
Log.info("Killing origin server " + targetServer.getServerName());
originServer.kill();
cluster.getRegionServerThreads().get(originServerNum).join();
// Put data: r4->v4
Log.info("Loading r4 to v4 into " + Bytes.toString(TABLENAME));
putDataAndVerify(table, "r4", FAMILY, "v4", 4);
} finally {
TEST_UTIL.shutdownMiniCluster();
}
}
/**
* Load data to a table, flush it to disk, trigger compaction, confirm the compaction state is
* right and wait till it is done.
*
* @param tableName
* @param flushes
* @param expectedState
* @param singleFamily otherwise, run compaction on all cfs
* @throws IOException
* @throws InterruptedException
*/
private void compaction(
final String tableName,
final int flushes,
final CompactionState expectedState,
boolean singleFamily)
throws IOException, InterruptedException {
// Create a table with regions
TableName table = TableName.valueOf(tableName);
byte[] family = Bytes.toBytes("family");
byte[][] families = {
family, Bytes.add(family, Bytes.toBytes("2")), Bytes.add(family, Bytes.toBytes("3"))
};
Table ht = null;
try {
ht = TEST_UTIL.createTable(table, families);
loadData(ht, families, 3000, flushes);
HRegionServer rs = TEST_UTIL.getMiniHBaseCluster().getRegionServer(0);
List<HRegion> regions = rs.getOnlineRegions(table);
int countBefore = countStoreFilesInFamilies(regions, families);
int countBeforeSingleFamily = countStoreFilesInFamily(regions, family);
assertTrue(countBefore > 0); // there should be some data files
HBaseAdmin admin = new HBaseAdmin(TEST_UTIL.getConfiguration());
if (expectedState == CompactionState.MINOR) {
if (singleFamily) {
admin.compact(table.getName(), family);
} else {
admin.compact(table.getName());
}
} else {
if (singleFamily) {
admin.majorCompact(table.getName(), family);
} else {
admin.majorCompact(table.getName());
}
}
long curt = System.currentTimeMillis();
long waitTime = 5000;
long endt = curt + waitTime;
CompactionState state = admin.getCompactionState(table.getName());
while (state == CompactionState.NONE && curt < endt) {
Thread.sleep(10);
state = admin.getCompactionState(table.getName());
curt = System.currentTimeMillis();
}
// Now, should have the right compaction state,
// otherwise, the compaction should have already been done
if (expectedState != state) {
for (HRegion region : regions) {
state = region.getCompactionState();
assertEquals(CompactionState.NONE, state);
}
} else {
// Wait until the compaction is done
state = admin.getCompactionState(table.getName());
while (state != CompactionState.NONE && curt < endt) {
Thread.sleep(10);
state = admin.getCompactionState(table.getName());
}
// Now, compaction should be done.
assertEquals(CompactionState.NONE, state);
}
int countAfter = countStoreFilesInFamilies(regions, families);
int countAfterSingleFamily = countStoreFilesInFamily(regions, family);
assertTrue(countAfter < countBefore);
if (!singleFamily) {
if (expectedState == CompactionState.MAJOR) assertTrue(families.length == countAfter);
else assertTrue(families.length < countAfter);
} else {
int singleFamDiff = countBeforeSingleFamily - countAfterSingleFamily;
// assert only change was to single column family
assertTrue(singleFamDiff == (countBefore - countAfter));
if (expectedState == CompactionState.MAJOR) {
assertTrue(1 == countAfterSingleFamily);
} else {
assertTrue(1 < countAfterSingleFamily);
}
}
} finally {
if (ht != null) {
TEST_UTIL.deleteTable(table);
}
}
}
/** @param server */
CompactSplitThread(HRegionServer server) {
super();
this.server = server;
this.conf = server.getConfiguration();
this.regionSplitLimit = conf.getInt("hbase.regionserver.regionSplitLimit", Integer.MAX_VALUE);
int largeThreads =
Math.max(1, conf.getInt(LARGE_COMPACTION_THREADS, LARGE_COMPACTION_THREADS_DEFAULT));
int smallThreads = conf.getInt(SMALL_COMPACTION_THREADS, SMALL_COMPACTION_THREADS_DEFAULT);
int splitThreads = conf.getInt(SPLIT_THREADS, SPLIT_THREADS_DEFAULT);
// if we have throttle threads, make sure the user also specified size
Preconditions.checkArgument(largeThreads > 0 && smallThreads > 0);
final String n = Thread.currentThread().getName();
this.longCompactions =
new ThreadPoolExecutor(
largeThreads,
largeThreads,
60,
TimeUnit.SECONDS,
new PriorityBlockingQueue<Runnable>(),
new ThreadFactory() {
@Override
public Thread newThread(Runnable r) {
Thread t = new Thread(r);
t.setName(n + "-longCompactions-" + System.currentTimeMillis());
return t;
}
});
this.longCompactions.setRejectedExecutionHandler(new Rejection());
this.shortCompactions =
new ThreadPoolExecutor(
smallThreads,
smallThreads,
60,
TimeUnit.SECONDS,
new PriorityBlockingQueue<Runnable>(),
new ThreadFactory() {
@Override
public Thread newThread(Runnable r) {
Thread t = new Thread(r);
t.setName(n + "-shortCompactions-" + System.currentTimeMillis());
return t;
}
});
this.shortCompactions.setRejectedExecutionHandler(new Rejection());
this.splits =
(ThreadPoolExecutor)
Executors.newFixedThreadPool(
splitThreads,
new ThreadFactory() {
@Override
public Thread newThread(Runnable r) {
Thread t = new Thread(r);
t.setName(n + "-splits-" + System.currentTimeMillis());
return t;
}
});
int mergeThreads = conf.getInt(MERGE_THREADS, MERGE_THREADS_DEFAULT);
this.mergePool =
(ThreadPoolExecutor)
Executors.newFixedThreadPool(
mergeThreads,
new ThreadFactory() {
@Override
public Thread newThread(Runnable r) {
Thread t = new Thread(r);
t.setName(n + "-merges-" + System.currentTimeMillis());
return t;
}
});
}
private boolean shouldSplitRegion() {
return (regionSplitLimit > server.getNumberOfOnlineRegions());
}