@Test
public void testAssignmentManagerDoesntUseDrainedServerWithBulkAssign() throws Exception {
Configuration conf = TEST_UTIL.getConfiguration();
LoadBalancer balancer = LoadBalancerFactory.getLoadBalancer(conf);
AssignmentManager am;
final HMaster master = Mockito.mock(HMaster.class);
final Server server = Mockito.mock(Server.class);
final ServerManager serverManager = Mockito.mock(ServerManager.class);
final ServerName SERVERNAME_A = ServerName.valueOf("mockserverbulk_a.org", 1000, 8000);
final ServerName SERVERNAME_B = ServerName.valueOf("mockserverbulk_b.org", 1001, 8000);
final ServerName SERVERNAME_C = ServerName.valueOf("mockserverbulk_c.org", 1002, 8000);
final ServerName SERVERNAME_D = ServerName.valueOf("mockserverbulk_d.org", 1003, 8000);
final ServerName SERVERNAME_E = ServerName.valueOf("mockserverbulk_e.org", 1004, 8000);
final Map<HRegionInfo, ServerName> bulk = new HashMap<HRegionInfo, ServerName>();
Set<ServerName> bunchServersAssigned = new HashSet<ServerName>();
HRegionInfo REGIONINFO_A =
new HRegionInfo(
TableName.valueOf("table_A"), HConstants.EMPTY_START_ROW, HConstants.EMPTY_START_ROW);
HRegionInfo REGIONINFO_B =
new HRegionInfo(
TableName.valueOf("table_B"), HConstants.EMPTY_START_ROW, HConstants.EMPTY_START_ROW);
HRegionInfo REGIONINFO_C =
new HRegionInfo(
TableName.valueOf("table_C"), HConstants.EMPTY_START_ROW, HConstants.EMPTY_START_ROW);
HRegionInfo REGIONINFO_D =
new HRegionInfo(
TableName.valueOf("table_D"), HConstants.EMPTY_START_ROW, HConstants.EMPTY_START_ROW);
HRegionInfo REGIONINFO_E =
new HRegionInfo(
TableName.valueOf("table_E"), HConstants.EMPTY_START_ROW, HConstants.EMPTY_START_ROW);
Map<ServerName, ServerLoad> onlineServers = new HashMap<ServerName, ServerLoad>();
List<ServerName> drainedServers = new ArrayList<ServerName>();
onlineServers.put(SERVERNAME_A, ServerLoad.EMPTY_SERVERLOAD);
onlineServers.put(SERVERNAME_B, ServerLoad.EMPTY_SERVERLOAD);
onlineServers.put(SERVERNAME_C, ServerLoad.EMPTY_SERVERLOAD);
onlineServers.put(SERVERNAME_D, ServerLoad.EMPTY_SERVERLOAD);
onlineServers.put(SERVERNAME_E, ServerLoad.EMPTY_SERVERLOAD);
bulk.put(REGIONINFO_A, SERVERNAME_A);
bulk.put(REGIONINFO_B, SERVERNAME_B);
bulk.put(REGIONINFO_C, SERVERNAME_C);
bulk.put(REGIONINFO_D, SERVERNAME_D);
bulk.put(REGIONINFO_E, SERVERNAME_E);
ZooKeeperWatcher zkWatcher =
new ZooKeeperWatcher(
TEST_UTIL.getConfiguration(), "zkWatcher-BulkAssignTest", abortable, true);
Mockito.when(server.getConfiguration()).thenReturn(conf);
Mockito.when(server.getServerName()).thenReturn(ServerName.valueOf("masterMock,1,1"));
Mockito.when(server.getZooKeeper()).thenReturn(zkWatcher);
CoordinatedStateManager cp = new ZkCoordinatedStateManager();
cp.initialize(server);
cp.start();
Mockito.when(server.getCoordinatedStateManager()).thenReturn(cp);
Mockito.when(serverManager.getOnlineServers()).thenReturn(onlineServers);
Mockito.when(serverManager.getOnlineServersList())
.thenReturn(new ArrayList<ServerName>(onlineServers.keySet()));
Mockito.when(serverManager.createDestinationServersList())
.thenReturn(new ArrayList<ServerName>(onlineServers.keySet()));
Mockito.when(serverManager.createDestinationServersList(null))
.thenReturn(new ArrayList<ServerName>(onlineServers.keySet()));
for (Entry<HRegionInfo, ServerName> entry : bulk.entrySet()) {
Mockito.when(serverManager.isServerOnline(entry.getValue())).thenReturn(true);
Mockito.when(serverManager.sendRegionClose(entry.getValue(), entry.getKey(), -1))
.thenReturn(true);
Mockito.when(serverManager.sendRegionOpen(entry.getValue(), entry.getKey(), -1, null))
.thenReturn(RegionOpeningState.OPENED);
Mockito.when(serverManager.addServerToDrainList(entry.getValue())).thenReturn(true);
}
Mockito.when(master.getServerManager()).thenReturn(serverManager);
drainedServers.add(SERVERNAME_A);
drainedServers.add(SERVERNAME_B);
drainedServers.add(SERVERNAME_C);
drainedServers.add(SERVERNAME_D);
am =
new AssignmentManager(
server,
serverManager,
balancer,
startupMasterExecutor("mockExecutorServiceBulk"),
null,
null);
Mockito.when(master.getAssignmentManager()).thenReturn(am);
zkWatcher.registerListener(am);
for (ServerName drained : drainedServers) {
addServerToDrainedList(drained, onlineServers, serverManager);
}
am.assign(bulk);
Map<String, RegionState> regionsInTransition = am.getRegionStates().getRegionsInTransition();
for (Entry<String, RegionState> entry : regionsInTransition.entrySet()) {
setRegionOpenedOnZK(
zkWatcher, entry.getValue().getServerName(), entry.getValue().getRegion());
}
am.waitForAssignment(REGIONINFO_A);
am.waitForAssignment(REGIONINFO_B);
am.waitForAssignment(REGIONINFO_C);
am.waitForAssignment(REGIONINFO_D);
am.waitForAssignment(REGIONINFO_E);
Map<HRegionInfo, ServerName> regionAssignments = am.getRegionStates().getRegionAssignments();
for (Entry<HRegionInfo, ServerName> entry : regionAssignments.entrySet()) {
LOG.info(
"Region Assignment: "
+ entry.getKey().getRegionNameAsString()
+ " Server: "
+ entry.getValue());
bunchServersAssigned.add(entry.getValue());
}
for (ServerName sn : drainedServers) {
assertFalse(bunchServersAssigned.contains(sn));
}
}
@Test
public void testAssignmentManagerDoesntUseDrainingServer() throws Exception {
AssignmentManager am;
Configuration conf = TEST_UTIL.getConfiguration();
final HMaster master = Mockito.mock(HMaster.class);
final Server server = Mockito.mock(Server.class);
final ServerManager serverManager = Mockito.mock(ServerManager.class);
final ServerName SERVERNAME_A = ServerName.valueOf("mockserver_a.org", 1000, 8000);
final ServerName SERVERNAME_B = ServerName.valueOf("mockserver_b.org", 1001, 8000);
LoadBalancer balancer = LoadBalancerFactory.getLoadBalancer(conf);
final HRegionInfo REGIONINFO =
new HRegionInfo(
TableName.valueOf("table_test"),
HConstants.EMPTY_START_ROW,
HConstants.EMPTY_START_ROW);
ZooKeeperWatcher zkWatcher =
new ZooKeeperWatcher(TEST_UTIL.getConfiguration(), "zkWatcher-Test", abortable, true);
Map<ServerName, ServerLoad> onlineServers = new HashMap<ServerName, ServerLoad>();
onlineServers.put(SERVERNAME_A, ServerLoad.EMPTY_SERVERLOAD);
onlineServers.put(SERVERNAME_B, ServerLoad.EMPTY_SERVERLOAD);
Mockito.when(server.getConfiguration()).thenReturn(conf);
Mockito.when(server.getServerName()).thenReturn(ServerName.valueOf("masterMock,1,1"));
Mockito.when(server.getZooKeeper()).thenReturn(zkWatcher);
CoordinatedStateManager cp = new ZkCoordinatedStateManager();
cp.initialize(server);
cp.start();
Mockito.when(server.getCoordinatedStateManager()).thenReturn(cp);
Mockito.when(serverManager.getOnlineServers()).thenReturn(onlineServers);
Mockito.when(serverManager.getOnlineServersList())
.thenReturn(new ArrayList<ServerName>(onlineServers.keySet()));
Mockito.when(serverManager.createDestinationServersList())
.thenReturn(new ArrayList<ServerName>(onlineServers.keySet()));
Mockito.when(serverManager.createDestinationServersList(null))
.thenReturn(new ArrayList<ServerName>(onlineServers.keySet()));
for (ServerName sn : onlineServers.keySet()) {
Mockito.when(serverManager.isServerOnline(sn)).thenReturn(true);
Mockito.when(serverManager.sendRegionClose(sn, REGIONINFO, -1)).thenReturn(true);
Mockito.when(serverManager.sendRegionClose(sn, REGIONINFO, -1, null, false)).thenReturn(true);
Mockito.when(serverManager.sendRegionOpen(sn, REGIONINFO, -1, new ArrayList<ServerName>()))
.thenReturn(RegionOpeningState.OPENED);
Mockito.when(serverManager.sendRegionOpen(sn, REGIONINFO, -1, null))
.thenReturn(RegionOpeningState.OPENED);
Mockito.when(serverManager.addServerToDrainList(sn)).thenReturn(true);
}
Mockito.when(master.getServerManager()).thenReturn(serverManager);
am =
new AssignmentManager(
server,
serverManager,
balancer,
startupMasterExecutor("mockExecutorService"),
null,
null);
Mockito.when(master.getAssignmentManager()).thenReturn(am);
Mockito.when(master.getZooKeeper()).thenReturn(zkWatcher);
am.addPlan(REGIONINFO.getEncodedName(), new RegionPlan(REGIONINFO, null, SERVERNAME_A));
zkWatcher.registerListenerFirst(am);
addServerToDrainedList(SERVERNAME_A, onlineServers, serverManager);
am.assign(REGIONINFO, true);
setRegionOpenedOnZK(zkWatcher, SERVERNAME_A, REGIONINFO);
setRegionOpenedOnZK(zkWatcher, SERVERNAME_B, REGIONINFO);
am.waitForAssignment(REGIONINFO);
assertTrue(am.getRegionStates().isRegionOnline(REGIONINFO));
assertNotEquals(am.getRegionStates().getRegionServerOfRegion(REGIONINFO), SERVERNAME_A);
}
@Test
public void testLogCleaning() throws Exception {
Configuration conf = TEST_UTIL.getConfiguration();
// set TTL
long ttl = 10000;
conf.setLong("hbase.master.logcleaner.ttl", ttl);
conf.setBoolean(HConstants.REPLICATION_ENABLE_KEY, HConstants.REPLICATION_ENABLE_DEFAULT);
Replication.decorateMasterConfiguration(conf);
Server server = new DummyServer();
ReplicationQueues repQueues =
ReplicationFactory.getReplicationQueues(server.getZooKeeper(), conf, server);
repQueues.init(server.getServerName().toString());
final Path oldLogDir = new Path(TEST_UTIL.getDataTestDir(), HConstants.HREGION_OLDLOGDIR_NAME);
String fakeMachineName = URLEncoder.encode(server.getServerName().toString(), "UTF8");
final FileSystem fs = FileSystem.get(conf);
// Create 2 invalid files, 1 "recent" file, 1 very new file and 30 old files
long now = System.currentTimeMillis();
fs.delete(oldLogDir, true);
fs.mkdirs(oldLogDir);
// Case 1: 2 invalid files, which would be deleted directly
fs.createNewFile(new Path(oldLogDir, "a"));
fs.createNewFile(new Path(oldLogDir, fakeMachineName + "." + "a"));
// Case 2: 1 "recent" file, not even deletable for the first log cleaner
// (TimeToLiveLogCleaner), so we are not going down the chain
System.out.println("Now is: " + now);
for (int i = 1; i < 31; i++) {
// Case 3: old files which would be deletable for the first log cleaner
// (TimeToLiveLogCleaner), and also for the second (ReplicationLogCleaner)
Path fileName = new Path(oldLogDir, fakeMachineName + "." + (now - i));
fs.createNewFile(fileName);
// Case 4: put 3 old log files in ZK indicating that they are scheduled
// for replication so these files would pass the first log cleaner
// (TimeToLiveLogCleaner) but would be rejected by the second
// (ReplicationLogCleaner)
if (i % (30 / 3) == 1) {
repQueues.addLog(fakeMachineName, fileName.getName());
System.out.println("Replication log file: " + fileName);
}
}
// sleep for sometime to get newer modifcation time
Thread.sleep(ttl);
fs.createNewFile(new Path(oldLogDir, fakeMachineName + "." + now));
// Case 2: 1 newer file, not even deletable for the first log cleaner
// (TimeToLiveLogCleaner), so we are not going down the chain
fs.createNewFile(new Path(oldLogDir, fakeMachineName + "." + (now + 10000)));
for (FileStatus stat : fs.listStatus(oldLogDir)) {
System.out.println(stat.getPath().toString());
}
assertEquals(34, fs.listStatus(oldLogDir).length);
LogCleaner cleaner = new LogCleaner(1000, server, conf, fs, oldLogDir);
cleaner.chore();
// We end up with the current log file, a newer one and the 3 old log
// files which are scheduled for replication
TEST_UTIL.waitFor(
1000,
new Waiter.Predicate<Exception>() {
@Override
public boolean evaluate() throws Exception {
return 5 == fs.listStatus(oldLogDir).length;
}
});
for (FileStatus file : fs.listStatus(oldLogDir)) {
System.out.println("Kept log files: " + file.getPath().getName());
}
}