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TestAsyncRegionAdminApi.java
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TestAsyncRegionAdminApi.java
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/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hbase.client;
import static org.hamcrest.CoreMatchers.instanceOf;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.stream.Collectors;
import org.apache.hadoop.hbase.HBaseClassTestRule;
import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.TableNotFoundException;
import org.apache.hadoop.hbase.master.HMaster;
import org.apache.hadoop.hbase.master.RegionState;
import org.apache.hadoop.hbase.master.ServerManager;
import org.apache.hadoop.hbase.master.assignment.AssignmentManager;
import org.apache.hadoop.hbase.master.assignment.RegionStates;
import org.apache.hadoop.hbase.regionserver.HRegionServer;
import org.apache.hadoop.hbase.regionserver.Region;
import org.apache.hadoop.hbase.testclassification.ClientTests;
import org.apache.hadoop.hbase.testclassification.LargeTests;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
import org.apache.hadoop.hbase.util.JVMClusterUtil;
import org.apache.hadoop.hbase.util.Threads;
import org.junit.ClassRule;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
/**
* Class to test asynchronous region admin operations.
* @see TestAsyncRegionAdminApi2 This test and it used to be joined it was taking longer than our
* ten minute timeout so they were split.
*/
@RunWith(Parameterized.class)
@Category({ LargeTests.class, ClientTests.class })
public class TestAsyncRegionAdminApi extends TestAsyncAdminBase {
@ClassRule
public static final HBaseClassTestRule CLASS_RULE =
HBaseClassTestRule.forClass(TestAsyncRegionAdminApi.class);
@Test
public void testAssignRegionAndUnassignRegion() throws Exception {
createTableWithDefaultConf(tableName);
// assign region.
HMaster master = TEST_UTIL.getHBaseCluster().getMaster();
AssignmentManager am = master.getAssignmentManager();
RegionInfo hri = am.getRegionStates().getRegionsOfTable(tableName).get(0);
// assert region on server
RegionStates regionStates = am.getRegionStates();
ServerName serverName = regionStates.getRegionServerOfRegion(hri);
TEST_UTIL.assertRegionOnServer(hri, serverName, 200);
assertTrue(regionStates.getRegionState(hri).isOpened());
// Region is assigned now. Let's assign it again.
// Master should not abort, and region should stay assigned.
try {
admin.assign(hri.getRegionName()).get();
fail("Should fail when assigning an already onlined region");
} catch (ExecutionException e) {
// Expected
assertThat(e.getCause(), instanceOf(DoNotRetryRegionException.class));
}
assertFalse(am.getRegionStates().getRegionStateNode(hri).isInTransition());
assertTrue(regionStates.getRegionState(hri).isOpened());
// unassign region
admin.unassign(hri.getRegionName(), true).get();
assertFalse(am.getRegionStates().getRegionStateNode(hri).isInTransition());
assertTrue(regionStates.getRegionState(hri).isClosed());
}
RegionInfo createTableAndGetOneRegion(final TableName tableName)
throws IOException, InterruptedException, ExecutionException {
TableDescriptor desc =
TableDescriptorBuilder.newBuilder(tableName)
.setColumnFamily(ColumnFamilyDescriptorBuilder.of(FAMILY)).build();
admin.createTable(desc, Bytes.toBytes("A"), Bytes.toBytes("Z"), 5).get();
// wait till the table is assigned
HMaster master = TEST_UTIL.getHBaseCluster().getMaster();
long timeoutTime = System.currentTimeMillis() + 3000;
while (true) {
List<RegionInfo> regions =
master.getAssignmentManager().getRegionStates().getRegionsOfTable(tableName);
if (regions.size() > 3) {
return regions.get(2);
}
long now = System.currentTimeMillis();
if (now > timeoutTime) {
fail("Could not find an online region");
}
Thread.sleep(10);
}
}
@Test
public void testGetRegionByStateOfTable() throws Exception {
RegionInfo hri = createTableAndGetOneRegion(tableName);
RegionStates regionStates =
TEST_UTIL.getHBaseCluster().getMaster().getAssignmentManager().getRegionStates();
assertTrue(regionStates.getRegionByStateOfTable(tableName).get(RegionState.State.OPEN)
.stream().anyMatch(r -> RegionInfo.COMPARATOR.compare(r, hri) == 0));
assertFalse(regionStates.getRegionByStateOfTable(TableName.valueOf("I_am_the_phantom"))
.get(RegionState.State.OPEN).stream().anyMatch(r -> RegionInfo.COMPARATOR.compare(r, hri) == 0));
}
@Test
public void testMoveRegion() throws Exception {
admin.balancerSwitch(false).join();
RegionInfo hri = createTableAndGetOneRegion(tableName);
RawAsyncHBaseAdmin rawAdmin = (RawAsyncHBaseAdmin) ASYNC_CONN.getAdmin();
ServerName serverName = rawAdmin.getRegionLocation(hri.getRegionName()).get().getServerName();
HMaster master = TEST_UTIL.getHBaseCluster().getMaster();
ServerManager serverManager = master.getServerManager();
ServerName destServerName = null;
List<JVMClusterUtil.RegionServerThread> regionServers =
TEST_UTIL.getHBaseCluster().getLiveRegionServerThreads();
for (JVMClusterUtil.RegionServerThread regionServer : regionServers) {
HRegionServer destServer = regionServer.getRegionServer();
destServerName = destServer.getServerName();
if (!destServerName.equals(serverName) && serverManager.isServerOnline(destServerName)) {
break;
}
}
assertTrue(destServerName != null && !destServerName.equals(serverName));
admin.move(hri.getRegionName(), destServerName).get();
long timeoutTime = System.currentTimeMillis() + 30000;
while (true) {
ServerName sn = rawAdmin.getRegionLocation(hri.getRegionName()).get().getServerName();
if (sn != null && sn.equals(destServerName)) {
break;
}
long now = System.currentTimeMillis();
if (now > timeoutTime) {
fail("Failed to move the region in time: " + hri);
}
Thread.sleep(100);
}
admin.balancerSwitch(true).join();
}
@Test
public void testGetOnlineRegions() throws Exception {
createTableAndGetOneRegion(tableName);
AtomicInteger regionServerCount = new AtomicInteger(0);
TEST_UTIL.getHBaseCluster().getLiveRegionServerThreads().stream()
.map(rsThread -> rsThread.getRegionServer()).forEach(rs -> {
ServerName serverName = rs.getServerName();
try {
assertEquals(admin.getRegions(serverName).get().size(), rs.getRegions().size());
} catch (Exception e) {
fail("admin.getOnlineRegions() method throws a exception: " + e.getMessage());
}
regionServerCount.incrementAndGet();
});
assertEquals(TEST_UTIL.getHBaseCluster().getLiveRegionServerThreads().size(),
regionServerCount.get());
}
@Test
public void testFlushTableAndRegion() throws Exception {
RegionInfo hri = createTableAndGetOneRegion(tableName);
ServerName serverName =
TEST_UTIL.getHBaseCluster().getMaster().getAssignmentManager().getRegionStates()
.getRegionServerOfRegion(hri);
HRegionServer regionServer =
TEST_UTIL.getHBaseCluster().getLiveRegionServerThreads().stream()
.map(rsThread -> rsThread.getRegionServer())
.filter(rs -> rs.getServerName().equals(serverName)).findFirst().get();
// write a put into the specific region
ASYNC_CONN.getTable(tableName)
.put(new Put(hri.getStartKey()).addColumn(FAMILY, FAMILY_0, Bytes.toBytes("value-1")))
.join();
assertTrue(regionServer.getOnlineRegion(hri.getRegionName()).getMemStoreDataSize() > 0);
// flush region and wait flush operation finished.
LOG.info("flushing region: " + Bytes.toStringBinary(hri.getRegionName()));
admin.flushRegion(hri.getRegionName()).get();
LOG.info("blocking until flush is complete: " + Bytes.toStringBinary(hri.getRegionName()));
Threads.sleepWithoutInterrupt(500);
while (regionServer.getOnlineRegion(hri.getRegionName()).getMemStoreDataSize() > 0) {
Threads.sleep(50);
}
// check the memstore.
assertEquals(regionServer.getOnlineRegion(hri.getRegionName()).getMemStoreDataSize(), 0);
// write another put into the specific region
ASYNC_CONN.getTable(tableName)
.put(new Put(hri.getStartKey()).addColumn(FAMILY, FAMILY_0, Bytes.toBytes("value-2")))
.join();
assertTrue(regionServer.getOnlineRegion(hri.getRegionName()).getMemStoreDataSize() > 0);
admin.flush(tableName).get();
Threads.sleepWithoutInterrupt(500);
while (regionServer.getOnlineRegion(hri.getRegionName()).getMemStoreDataSize() > 0) {
Threads.sleep(50);
}
// check the memstore.
assertEquals(regionServer.getOnlineRegion(hri.getRegionName()).getMemStoreDataSize(), 0);
}
private void waitUntilMobCompactionFinished(TableName tableName)
throws ExecutionException, InterruptedException {
long finished = EnvironmentEdgeManager.currentTime() + 60000;
CompactionState state = admin.getCompactionState(tableName, CompactType.MOB).get();
while (EnvironmentEdgeManager.currentTime() < finished) {
if (state == CompactionState.NONE) {
break;
}
Thread.sleep(10);
state = admin.getCompactionState(tableName, CompactType.MOB).get();
}
assertEquals(CompactionState.NONE, state);
}
@Test
public void testCompactMob() throws Exception {
ColumnFamilyDescriptor columnDescriptor =
ColumnFamilyDescriptorBuilder.newBuilder(Bytes.toBytes("mob"))
.setMobEnabled(true).setMobThreshold(0).build();
TableDescriptor tableDescriptor = TableDescriptorBuilder.newBuilder(tableName)
.setColumnFamily(columnDescriptor).build();
admin.createTable(tableDescriptor).get();
byte[][] families = { Bytes.toBytes("mob") };
loadData(tableName, families, 3000, 8);
admin.majorCompact(tableName).get();
CompactionState state = admin.getCompactionState(tableName).get();
assertNotEquals(CompactionState.NONE, state);
waitUntilMobCompactionFinished(tableName);
}
@Test
public void testCompactRegionServer() throws Exception {
byte[][] families = { Bytes.toBytes("f1"), Bytes.toBytes("f2"), Bytes.toBytes("f3") };
createTableWithDefaultConf(tableName, null, families);
loadData(tableName, families, 3000, 8);
List<HRegionServer> rsList =
TEST_UTIL.getHBaseCluster().getLiveRegionServerThreads().stream()
.map(rsThread -> rsThread.getRegionServer()).collect(Collectors.toList());
List<Region> regions = new ArrayList<>();
rsList.forEach(rs -> regions.addAll(rs.getRegions(tableName)));
assertEquals(1, regions.size());
int countBefore = countStoreFilesInFamilies(regions, families);
assertTrue(countBefore > 0);
// Minor compaction for all region servers.
for (HRegionServer rs : rsList)
admin.compactRegionServer(rs.getServerName()).get();
Thread.sleep(5000);
int countAfterMinorCompaction = countStoreFilesInFamilies(regions, families);
assertTrue(countAfterMinorCompaction < countBefore);
// Major compaction for all region servers.
for (HRegionServer rs : rsList)
admin.majorCompactRegionServer(rs.getServerName()).get();
Thread.sleep(5000);
int countAfterMajorCompaction = countStoreFilesInFamilies(regions, families);
assertEquals(3, countAfterMajorCompaction);
}
@Test
public void testCompactionSwitchStates() throws Exception {
// Create a table with regions
byte[] family = Bytes.toBytes("family");
byte[][] families = {family, Bytes.add(family, Bytes.toBytes("2")),
Bytes.add(family, Bytes.toBytes("3"))};
createTableWithDefaultConf(tableName, null, families);
loadData(tableName, families, 3000, 8);
List<Region> regions = new ArrayList<>();
TEST_UTIL
.getHBaseCluster()
.getLiveRegionServerThreads()
.forEach(rsThread -> regions.addAll(rsThread.getRegionServer().getRegions(tableName)));
CompletableFuture<Map<ServerName, Boolean>> listCompletableFuture =
admin.compactionSwitch(true, new ArrayList<>());
Map<ServerName, Boolean> pairs = listCompletableFuture.get();
for (Map.Entry<ServerName, Boolean> p : pairs.entrySet()) {
assertEquals("Default compaction state, expected=enabled actual=disabled",
true, p.getValue());
}
CompletableFuture<Map<ServerName, Boolean>> listCompletableFuture1 =
admin.compactionSwitch(false, new ArrayList<>());
Map<ServerName, Boolean> pairs1 = listCompletableFuture1.get();
for (Map.Entry<ServerName, Boolean> p : pairs1.entrySet()) {
assertEquals("Last compaction state, expected=enabled actual=disabled",
true, p.getValue());
}
CompletableFuture<Map<ServerName, Boolean>> listCompletableFuture2 =
admin.compactionSwitch(true, new ArrayList<>());
Map<ServerName, Boolean> pairs2 = listCompletableFuture2.get();
for (Map.Entry<ServerName, Boolean> p : pairs2.entrySet()) {
assertEquals("Last compaction state, expected=disabled actual=enabled",
false, p.getValue());
}
ServerName serverName = TEST_UTIL.getHBaseCluster().getRegionServer(0)
.getServerName();
List<String> serverNameList = new ArrayList<String>();
serverNameList.add(serverName.getServerName());
CompletableFuture<Map<ServerName, Boolean>> listCompletableFuture3 =
admin.compactionSwitch(false, serverNameList);
Map<ServerName, Boolean> pairs3 = listCompletableFuture3.get();
assertEquals(pairs3.entrySet().size(), 1);
for (Map.Entry<ServerName, Boolean> p : pairs3.entrySet()) {
assertEquals("Last compaction state, expected=enabled actual=disabled",
true, p.getValue());
}
CompletableFuture<Map<ServerName, Boolean>> listCompletableFuture4 =
admin.compactionSwitch(true, serverNameList);
Map<ServerName, Boolean> pairs4 = listCompletableFuture4.get();
assertEquals(pairs4.entrySet().size(), 1);
for (Map.Entry<ServerName, Boolean> p : pairs4.entrySet()) {
assertEquals("Last compaction state, expected=disabled actual=enabled",
false, p.getValue());
}
}
@Test
public void testCompact() throws Exception {
compactionTest(TableName.valueOf("testCompact1"), 8, CompactionState.MAJOR, false);
compactionTest(TableName.valueOf("testCompact2"), 15, CompactionState.MINOR, false);
compactionTest(TableName.valueOf("testCompact3"), 8, CompactionState.MAJOR, true);
compactionTest(TableName.valueOf("testCompact4"), 15, CompactionState.MINOR, true);
}
private void compactionTest(final TableName tableName, final int flushes,
final CompactionState expectedState, boolean singleFamily) throws Exception {
// Create a table with regions
byte[] family = Bytes.toBytes("family");
byte[][] families =
{ family, Bytes.add(family, Bytes.toBytes("2")), Bytes.add(family, Bytes.toBytes("3")) };
createTableWithDefaultConf(tableName, null, families);
byte[][] singleFamilyArray = { family };
// When singleFamily is true, only load data for the family being tested. This is to avoid
// the case that while major compaction is going on for the family, minor compaction could
// happen for other families at the same time (Two compaction threads long/short), thus
// pollute the compaction and store file numbers for the region.
if (singleFamily) {
loadData(tableName, singleFamilyArray, 3000, flushes);
} else {
loadData(tableName, families, 3000, flushes);
}
List<Region> regions = new ArrayList<>();
TEST_UTIL
.getHBaseCluster()
.getLiveRegionServerThreads()
.forEach(rsThread -> regions.addAll(rsThread.getRegionServer().getRegions(tableName)));
assertEquals(1, regions.size());
int countBefore = countStoreFilesInFamilies(regions, families);
int countBeforeSingleFamily = countStoreFilesInFamily(regions, family);
assertTrue(countBefore > 0); // there should be some data files
if (expectedState == CompactionState.MINOR) {
if (singleFamily) {
admin.compact(tableName, family).get();
} else {
admin.compact(tableName).get();
}
} else {
if (singleFamily) {
admin.majorCompact(tableName, family).get();
} else {
admin.majorCompact(tableName).get();
}
}
long curt = System.currentTimeMillis();
long waitTime = 5000;
long endt = curt + waitTime;
CompactionState state = admin.getCompactionState(tableName).get();
while (state == CompactionState.NONE && curt < endt) {
Thread.sleep(10);
state = admin.getCompactionState(tableName).get();
curt = System.currentTimeMillis();
}
// Now, should have the right compaction state,
// otherwise, the compaction should have already been done
if (expectedState != state) {
for (Region region : regions) {
state = CompactionState.valueOf(region.getCompactionState().toString());
assertEquals(CompactionState.NONE, state);
}
} else {
// Wait until the compaction is done
state = admin.getCompactionState(tableName).get();
while (state != CompactionState.NONE && curt < endt) {
Thread.sleep(10);
state = admin.getCompactionState(tableName).get();
}
// 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) {
assertEquals(families.length, countAfter);
} else {
assertTrue(families.length <= countAfter);
}
} else {
int singleFamDiff = countBeforeSingleFamily - countAfterSingleFamily;
// assert only change was to single column family
assertEquals(singleFamDiff, (countBefore - countAfter));
if (expectedState == CompactionState.MAJOR) {
assertEquals(1, countAfterSingleFamily);
} else {
assertTrue("" + countAfterSingleFamily, 1 <= countAfterSingleFamily);
}
}
}
@Test
public void testNonExistentTableCompaction() {
testNonExistentTableCompaction(CompactionState.MINOR);
testNonExistentTableCompaction(CompactionState.MAJOR);
}
private void testNonExistentTableCompaction(CompactionState compactionState) {
try {
if (compactionState == CompactionState.MINOR) {
admin.compact(TableName.valueOf("NonExistentTable")).get();
} else {
admin.majorCompact(TableName.valueOf("NonExistentTable")).get();
}
fail("Expected TableNotFoundException when table doesn't exist");
} catch (Exception e) {
// expected.
assertTrue(e.getCause() instanceof TableNotFoundException);
}
}
private static int countStoreFilesInFamily(List<Region> regions, final byte[] family) {
return countStoreFilesInFamilies(regions, new byte[][] { family });
}
private static int countStoreFilesInFamilies(List<Region> regions, final byte[][] families) {
int count = 0;
for (Region region : regions) {
count += region.getStoreFileList(families).size();
}
return count;
}
static void loadData(final TableName tableName, final byte[][] families, final int rows)
throws IOException {
loadData(tableName, families, rows, 1);
}
static void loadData(final TableName tableName, final byte[][] families, final int rows,
final int flushes) throws IOException {
AsyncTable<?> table = ASYNC_CONN.getTable(tableName);
List<Put> puts = new ArrayList<>(rows);
byte[] qualifier = Bytes.toBytes("val");
for (int i = 0; i < flushes; i++) {
for (int k = 0; k < rows; k++) {
byte[] row = Bytes.add(Bytes.toBytes(k), Bytes.toBytes(i));
Put p = new Put(row);
for (int j = 0; j < families.length; ++j) {
p.addColumn(families[j], qualifier, row);
}
puts.add(p);
}
table.putAll(puts).join();
TEST_UTIL.flush();
puts.clear();
}
}
}