Examples with LoadBalanceManager io.mycat.plug.loadBalance.LoadBalanceManager used on opensource projects

Example 16 with LoadBalanceManager

use of io.mycat.plug.loadBalance.LoadBalanceManager in project Mycat2 by MyCATApache.

the class MasterSlaveTest method test.

@Test
public void test() {
    ClusterConfig clusterConfig = CreateClusterHint.createConfig("c0", Arrays.asList("dsw1", "dsw2"), Arrays.asList("dsr1"));
    TimerConfig timerConfig = new TimerConfig();
    timerConfig.setTimeUnit(TimeUnit.SECONDS.name());
    timerConfig.setPeriod(1);
    timerConfig.setInitialDelay(0);
    clusterConfig.setTimer(timerConfig);
    clusterConfig.setClusterType(ReplicaType.MASTER_SLAVE.name());
    HashMap<String, DatasourceConfig> map = new HashMap<>();
    map.put("dsw1", CreateDataSourceHint.createConfig("dsw1", DB1));
    map.put("dsw2", CreateDataSourceHint.createConfig("dsw2", DB2));
    map.put("dsr1", CreateDataSourceHint.createConfig("dsr1", DB2));
    LinkedList<Runnable> runnables = new LinkedList<>();
    ReplicaSelectorManager manager = ReplicaSelectorRuntime.create(Arrays.asList(clusterConfig), map, new LoadBalanceManager(), name -> 0, (command, initialDelay, period, unit) -> {
        runnables.add(command);
        return () -> {
        };
    });
    manager.putHeartFlow("c0", "dsw1", checkMasterSlave());
    manager.putHeartFlow("c0", "dsw2", checkMasterSlave());
    manager.putHeartFlow("c0", "dsr1", checkMasterSlave());
    manager.start();
    for (Runnable runnable : runnables) {
        runnable.run();
    }
    for (PhysicsInstance physicsInstance : manager.getPhysicsInstances()) {
        Assert.assertTrue(physicsInstance.asSelectRead());
    }
    Set<String> balanceTargets = new HashSet<>();
    test(() -> {
        balanceTargets.add(manager.getDatasourceNameByReplicaName("c0", false, null));
        return balanceTargets.size() == 3;
    });
    Assert.assertEquals(3, balanceTargets.size());
    Set<String> masterTargets = new HashSet<>();
    test(() -> {
        masterTargets.add(manager.getDatasourceNameByReplicaName("c0", true, null));
        return false;
    });
    Assert.assertEquals(1, masterTargets.size());
}

Example 17 with LoadBalanceManager

use of io.mycat.plug.loadBalance.LoadBalanceManager in project Mycat2 by MyCATApache.

the class MasterSlaveTest method testSlaveBroken.

@Test
public void testSlaveBroken() {
    ClusterConfig clusterConfig = CreateClusterHint.createConfig("c0", Arrays.asList("dsw1", "dsw2"), Arrays.asList("dsr1"));
    TimerConfig timerConfig = new TimerConfig();
    timerConfig.setTimeUnit(TimeUnit.SECONDS.name());
    timerConfig.setPeriod(1);
    timerConfig.setInitialDelay(0);
    clusterConfig.setTimer(timerConfig);
    HashMap<String, DatasourceConfig> map = new HashMap<>();
    map.put("dsw1", CreateDataSourceHint.createConfig("dsw1", DB1));
    map.put("dsw2", CreateDataSourceHint.createConfig("dsw2", DB2));
    map.put("dsr1", CreateDataSourceHint.createConfig("dsr1", DB2));
    LinkedList<Runnable> runnables = new LinkedList<>();
    ReplicaSelectorManager manager = ReplicaSelectorRuntime.create(Arrays.asList(clusterConfig), map, new LoadBalanceManager(), name -> 0, (command, initialDelay, period, unit) -> {
        runnables.add(command);
        return () -> {
        };
    });
    MetaClusterCurrent.register(Maps.of(ConfigReporter.class, new ConfigReporter() {

        @Override
        public void reportReplica(Map<String, List<String>> state) {
            List<String> c0 = state.get("c0");
            Assert.assertEquals("[dsw2]", c0.toString());
        }
    }));
    manager.putHeartFlow("c0", "dsw1", checkMasterSlave());
    manager.putHeartFlow("c0", "dsw2", checkMasterSlave());
    manager.putHeartFlow("c0", "dsr1", makeBroken());
    manager.start();
    for (Runnable runnable : runnables) {
        runnable.run();
    }
    for (Runnable runnable : runnables) {
        runnable.run();
    }
    for (Runnable runnable : runnables) {
        runnable.run();
    }
    // 测试已经切换
    Set<String> balanceTargets = new HashSet<>();
    test(() -> {
        balanceTargets.add(manager.getDatasourceNameByReplicaName("c0", false, null));
        return false;
    });
    Assert.assertFalse(balanceTargets.contains("dsr1"));
    Set<String> masterTargets = new HashSet<>();
    test(() -> {
        masterTargets.add(manager.getDatasourceNameByReplicaName("c0", true, null));
        return false;
    });
    Assert.assertEquals(1, masterTargets.size());
    Assert.assertTrue(masterTargets.contains("dsw1"));
    manager.putHeartFlow("c0", "dsr1", checkMasterSlave());
    for (Runnable runnable : runnables) {
        runnable.run();
    }
    PhysicsInstance dsr1 = manager.getPhysicsInstanceByName("dsr1");
    Assert.assertTrue(dsr1.asSelectRead());
    Assert.assertTrue(dsr1.isAlive());
}

Example 18 with LoadBalanceManager

use of io.mycat.plug.loadBalance.LoadBalanceManager in project Mycat2 by MyCATApache.

the class GaleraTest method testSlaveBroken.

@Test
public void testSlaveBroken() {
    ClusterConfig clusterConfig = CreateClusterHint.createConfig("c0", Arrays.asList("dsw1", "dsw2"), Arrays.asList("dsr1"));
    TimerConfig timerConfig = new TimerConfig();
    timerConfig.setTimeUnit(TimeUnit.SECONDS.name());
    timerConfig.setPeriod(1);
    timerConfig.setInitialDelay(0);
    clusterConfig.setClusterType(ReplicaType.GARELA_CLUSTER.name());
    clusterConfig.setTimer(timerConfig);
    HashMap<String, DatasourceConfig> map = new HashMap<>();
    map.put("dsw1", CreateDataSourceHint.createConfig("dsw1", DB1));
    map.put("dsw2", CreateDataSourceHint.createConfig("dsw2", DB2));
    map.put("dsr1", CreateDataSourceHint.createConfig("dsr1", DB2));
    LinkedList<Runnable> runnables = new LinkedList<>();
    ReplicaSelectorManager manager = ReplicaSelectorRuntime.create(Arrays.asList(clusterConfig), map, new LoadBalanceManager(), name -> 0, (command, initialDelay, period, unit) -> {
        runnables.add(command);
        return () -> {
        };
    });
    MetaClusterCurrent.register(Maps.of(ConfigReporter.class, new ConfigReporter() {

        @Override
        public void reportReplica(Map<String, List<String>> state) {
            List<String> c0 = state.get("c0");
            Assert.assertEquals("[dsw2]", c0.toString());
        }
    }));
    manager.putHeartFlow("c0", "dsw1", checkGalera());
    manager.putHeartFlow("c0", "dsw2", checkGalera());
    manager.putHeartFlow("c0", "dsr1", makeBroken());
    manager.start();
    for (Runnable runnable : runnables) {
        runnable.run();
    }
    for (Runnable runnable : runnables) {
        runnable.run();
    }
    for (Runnable runnable : runnables) {
        runnable.run();
    }
    // 测试已经切换
    Set<String> balanceTargets = new HashSet<>();
    test(() -> {
        balanceTargets.add(manager.getDatasourceNameByReplicaName("c0", false, null));
        return false;
    });
    Assert.assertFalse(balanceTargets.contains("dsr1"));
    Set<String> masterTargets = new HashSet<>();
    test(() -> {
        masterTargets.add(manager.getDatasourceNameByReplicaName("c0", true, null));
        return false;
    });
    Assert.assertEquals(1, masterTargets.size());
    Assert.assertTrue(masterTargets.contains("dsw1"));
    manager.putHeartFlow("c0", "dsr1", checkGalera());
    for (Runnable runnable : runnables) {
        runnable.run();
    }
    PhysicsInstance dsr1 = manager.getPhysicsInstanceByName("dsr1");
    Assert.assertTrue(dsr1.asSelectRead());
    Assert.assertTrue(dsr1.isAlive());
}

Example 19 with LoadBalanceManager

use of io.mycat.plug.loadBalance.LoadBalanceManager in project Mycat2 by MyCATApache.

the class GaleraTest method testSlaveDelay.

@Test
public void testSlaveDelay() {
    ClusterConfig clusterConfig = CreateClusterHint.createConfig("c0", Arrays.asList("dsw1", "dsw2"), Arrays.asList("dsr1"));
    TimerConfig timerConfig = new TimerConfig();
    timerConfig.setTimeUnit(TimeUnit.SECONDS.name());
    timerConfig.setPeriod(1);
    timerConfig.setInitialDelay(0);
    clusterConfig.setClusterType(ReplicaType.GARELA_CLUSTER.name());
    clusterConfig.setTimer(timerConfig);
    HashMap<String, DatasourceConfig> map = new HashMap<>();
    map.put("dsw1", CreateDataSourceHint.createConfig("dsw1", DB1));
    map.put("dsw2", CreateDataSourceHint.createConfig("dsw2", DB2));
    map.put("dsr1", CreateDataSourceHint.createConfig("dsr1", DB2));
    LinkedList<Runnable> runnables = new LinkedList<>();
    ReplicaSelectorManager manager = ReplicaSelectorRuntime.create(Arrays.asList(clusterConfig), map, new LoadBalanceManager(), name -> 0, (command, initialDelay, period, unit) -> {
        runnables.add(command);
        return () -> {
        };
    });
    MetaClusterCurrent.register(Maps.of(ConfigReporter.class, new ConfigReporter() {

        @Override
        public void reportReplica(Map<String, List<String>> state) {
            List<String> c0 = state.get("c0");
            Assert.assertEquals("[dsw2]", c0.toString());
        }
    }));
    manager.putHeartFlow("c0", "dsw1", checkGalera());
    manager.putHeartFlow("c0", "dsw2", checkGalera());
    manager.putHeartFlow("c0", "dsr1", checkGalera(Long.MAX_VALUE));
    manager.start();
    for (Runnable runnable : runnables) {
        runnable.run();
    }
    {
        Set<String> balanceTargets = new HashSet<>();
        test(() -> {
            balanceTargets.add(manager.getDatasourceNameByReplicaName("c0", false, null));
            return false;
        });
        Assert.assertTrue(balanceTargets.size() <= 2);
        Assert.assertFalse(balanceTargets.contains("dsr1"));
    }
    // 延迟恢复
    {
        manager.putHeartFlow("c0", "dsr1", checkGalera());
        for (Runnable runnable : runnables) {
            runnable.run();
        }
        Set<String> balanceTargets = new HashSet<>();
        test(() -> {
            balanceTargets.add(manager.getDatasourceNameByReplicaName("c0", false, null));
            return false;
        });
        Assert.assertTrue(balanceTargets.contains("dsr1"));
    }
}

Example 20 with LoadBalanceManager

use of io.mycat.plug.loadBalance.LoadBalanceManager in project Mycat2 by MyCATApache.

the class GaleraTest method test.

@Test
public void test() {
    ClusterConfig clusterConfig = CreateClusterHint.createConfig("c0", Arrays.asList("dsw1", "dsw2"), Arrays.asList("dsr1"));
    TimerConfig timerConfig = new TimerConfig();
    timerConfig.setTimeUnit(TimeUnit.SECONDS.name());
    timerConfig.setPeriod(1);
    timerConfig.setInitialDelay(0);
    clusterConfig.setTimer(timerConfig);
    clusterConfig.setClusterType(ReplicaType.GARELA_CLUSTER.name());
    HashMap<String, DatasourceConfig> map = new HashMap<>();
    map.put("dsw1", CreateDataSourceHint.createConfig("dsw1", DB1));
    map.put("dsw2", CreateDataSourceHint.createConfig("dsw2", DB2));
    map.put("dsr1", CreateDataSourceHint.createConfig("dsr1", DB2));
    LinkedList<Runnable> runnables = new LinkedList<>();
    ReplicaSelectorManager manager = ReplicaSelectorRuntime.create(Arrays.asList(clusterConfig), map, new LoadBalanceManager(), name -> 0, (command, initialDelay, period, unit) -> {
        runnables.add(command);
        return () -> {
        };
    });
    manager.putHeartFlow("c0", "dsw1", checkGalera());
    manager.putHeartFlow("c0", "dsw2", checkGalera());
    manager.putHeartFlow("c0", "dsr1", checkGalera());
    for (Runnable runnable : runnables) {
        runnable.run();
    }
    for (PhysicsInstance physicsInstance : manager.getPhysicsInstances()) {
        Assert.assertTrue(physicsInstance.asSelectRead());
    }
    Set<String> balanceTargets = new HashSet<>();
    test(() -> {
        balanceTargets.add(manager.getDatasourceNameByReplicaName("c0", false, null));
        return balanceTargets.size() == 3;
    });
    Assert.assertEquals(3, balanceTargets.size());
    Set<String> masterTargets = new HashSet<>();
    test(() -> {
        masterTargets.add(manager.getDatasourceNameByReplicaName("c0", true, null));
        return false;
    });
    Assert.assertEquals(1, masterTargets.size());
}