| package org.apache.helix.integration.rebalancer.DelayedAutoRebalancer; |
| |
| /* |
| * 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. |
| */ |
| |
| import java.util.Map; |
| |
| import org.apache.helix.ConfigAccessor; |
| import org.apache.helix.integration.manager.MockParticipantManager; |
| import org.apache.helix.model.ExternalView; |
| import org.apache.helix.model.IdealState; |
| import org.apache.helix.model.InstanceConfig; |
| import org.testng.Assert; |
| import org.testng.annotations.BeforeClass; |
| import org.testng.annotations.BeforeMethod; |
| import org.testng.annotations.Test; |
| |
| |
| public class TestDelayedAutoRebalanceWithDisabledInstance extends TestDelayedAutoRebalance { |
| private ConfigAccessor _configAccessor; |
| |
| @BeforeClass |
| public void beforeClass() throws Exception { |
| super.beforeClass(); |
| _configAccessor = new ConfigAccessor(_gZkClient); |
| } |
| |
| |
| /** |
| * The partition movement should be delayed (not happen immediately) after one single node is disabled. |
| * Delay is enabled by default, delay time is set in IdealState. |
| * @throws Exception |
| */ |
| @Test |
| @Override |
| public void testDelayedPartitionMovement() throws Exception { |
| Map<String, ExternalView> externalViewsBefore = createTestDBs(1000000); |
| |
| // Disable one node, no partition should be moved. |
| String instance = _participants.get(0).getInstanceName(); |
| enableInstance(instance, false); |
| |
| Thread.sleep(DEFAULT_REBALANCE_PROCESSING_WAIT_TIME); |
| Assert.assertTrue(_clusterVerifier.verifyByPolling()); |
| |
| for (String db : _testDBs) { |
| ExternalView ev = |
| _gSetupTool.getClusterManagementTool().getResourceExternalView(CLUSTER_NAME, db); |
| IdealState is = _gSetupTool.getClusterManagementTool().getResourceIdealState(CLUSTER_NAME, db); |
| validateMinActiveAndTopStateReplica(is, ev, _minActiveReplica, NUM_NODE); |
| validateNoPartitionMove(is, externalViewsBefore.get(db), ev, instance, true); |
| } |
| } |
| |
| @Test(dependsOnMethods = {"testDelayedPartitionMovement"}) |
| @Override |
| public void testDelayedPartitionMovementWithClusterConfigedDelay() throws Exception { |
| setDelayTimeInCluster(_gZkClient, CLUSTER_NAME, 1000000); |
| |
| Map<String, ExternalView> externalViewsBefore = createTestDBs(-1); |
| |
| // Disable one node, no partition should be moved. |
| String instance = _participants.get(0).getInstanceName(); |
| enableInstance(instance, false); |
| |
| Thread.sleep(DEFAULT_REBALANCE_PROCESSING_WAIT_TIME); |
| Assert.assertTrue(_clusterVerifier.verifyByPolling()); |
| |
| for (String db : _testDBs) { |
| ExternalView ev = |
| _gSetupTool.getClusterManagementTool().getResourceExternalView(CLUSTER_NAME, db); |
| IdealState is = _gSetupTool.getClusterManagementTool().getResourceIdealState(CLUSTER_NAME, db); |
| validateMinActiveAndTopStateReplica(is, ev, _minActiveReplica, NUM_NODE); |
| validateNoPartitionMove(is, externalViewsBefore.get(db), ev, |
| _participants.get(0).getInstanceName(), true); |
| } |
| |
| setDelayTimeInCluster(_gZkClient, CLUSTER_NAME, -1); |
| } |
| |
| /** |
| * Test when two nodes were disabled, the minimal active replica should be maintained. |
| * @throws Exception |
| */ |
| @Test(dependsOnMethods = {"testDelayedPartitionMovement"}) |
| @Override |
| public void testMinimalActiveReplicaMaintain() throws Exception { |
| setDelayTimeInCluster(_gZkClient, CLUSTER_NAME, 1000000); |
| Map<String, ExternalView> externalViewsBefore = createTestDBs(-1); |
| |
| // disable one node, no partition should be moved. |
| enableInstance(_participants.get(0).getInstanceName(), false); |
| Thread.sleep(DEFAULT_REBALANCE_PROCESSING_WAIT_TIME); |
| Assert.assertTrue(_clusterVerifier.verifyByPolling()); |
| |
| for (String db : _testDBs) { |
| ExternalView ev = |
| _gSetupTool.getClusterManagementTool().getResourceExternalView(CLUSTER_NAME, db); |
| IdealState is = _gSetupTool.getClusterManagementTool().getResourceIdealState(CLUSTER_NAME, db); |
| validateMinActiveAndTopStateReplica(is, ev, _minActiveReplica, NUM_NODE); |
| validateNoPartitionMove(is, externalViewsBefore.get(db), ev, |
| _participants.get(0).getInstanceName(), true); |
| } |
| |
| // disable another node, the minimal active replica for each partition should be maintained. |
| enableInstance(_participants.get(3).getInstanceName(), false); |
| Thread.sleep(DEFAULT_REBALANCE_PROCESSING_WAIT_TIME); |
| Assert.assertTrue(_clusterVerifier.verifyByPolling()); |
| |
| for (String db : _testDBs) { |
| ExternalView ev = |
| _gSetupTool.getClusterManagementTool().getResourceExternalView(CLUSTER_NAME, db); |
| IdealState is = _gSetupTool.getClusterManagementTool().getResourceIdealState(CLUSTER_NAME, db); |
| validateMinActiveAndTopStateReplica(is, ev, _minActiveReplica, NUM_NODE); |
| } |
| setDelayTimeInCluster(_gZkClient, CLUSTER_NAME, -1); |
| } |
| |
| /** |
| * Test when one node is disable while another node is offline, the minimal active replica should be maintained. |
| * @throws Exception |
| */ |
| @Test(dependsOnMethods = {"testDelayedPartitionMovement"}) |
| public void testMinimalActiveReplicaMaintainWithOneOffline() throws Exception { |
| setDelayTimeInCluster(_gZkClient, CLUSTER_NAME, 1000000); |
| Map<String, ExternalView> externalViewsBefore = createTestDBs(-1); |
| |
| // disable one node, no partition should be moved. |
| enableInstance(_participants.get(0).getInstanceName(), false); |
| Thread.sleep(DEFAULT_REBALANCE_PROCESSING_WAIT_TIME); |
| Assert.assertTrue(_clusterVerifier.verifyByPolling()); |
| |
| for (String db : _testDBs) { |
| ExternalView ev = |
| _gSetupTool.getClusterManagementTool().getResourceExternalView(CLUSTER_NAME, db); |
| IdealState is = _gSetupTool.getClusterManagementTool().getResourceIdealState(CLUSTER_NAME, db); |
| validateMinActiveAndTopStateReplica(is, ev, _minActiveReplica, NUM_NODE); |
| validateNoPartitionMove(is, externalViewsBefore.get(db), ev, |
| _participants.get(0).getInstanceName(), true); |
| } |
| |
| // bring down another node, the minimal active replica for each partition should be maintained. |
| _participants.get(3).syncStop(); |
| Thread.sleep(DEFAULT_REBALANCE_PROCESSING_WAIT_TIME); |
| Assert.assertTrue(_clusterVerifier.verifyByPolling()); |
| |
| for (String db : _testDBs) { |
| ExternalView ev = |
| _gSetupTool.getClusterManagementTool().getResourceExternalView(CLUSTER_NAME, db); |
| IdealState is = _gSetupTool.getClusterManagementTool().getResourceIdealState(CLUSTER_NAME, db); |
| validateMinActiveAndTopStateReplica(is, ev, _minActiveReplica, NUM_NODE); |
| } |
| setDelayTimeInCluster(_gZkClient, CLUSTER_NAME, -1); |
| } |
| |
| /** |
| * The partititon should be moved to other nodes after the delay time |
| */ |
| @Test (dependsOnMethods = {"testMinimalActiveReplicaMaintain"}) |
| @Override |
| public void testPartitionMovementAfterDelayTime() throws Exception { |
| enablePersistBestPossibleAssignment(_gZkClient, CLUSTER_NAME, true); |
| |
| long delay = 10000; |
| setDelayTimeInCluster(_gZkClient, CLUSTER_NAME, delay); |
| Map<String, ExternalView> externalViewsBefore = createTestDBs(-1); |
| |
| // disable one node, no partition should be moved. |
| enableInstance(_participants.get(0).getInstanceName(), false); |
| Thread.sleep(DEFAULT_REBALANCE_PROCESSING_WAIT_TIME); |
| Assert.assertTrue(_clusterVerifier.verifyByPolling()); |
| for (String db : _testDBs) { |
| ExternalView ev = |
| _gSetupTool.getClusterManagementTool().getResourceExternalView(CLUSTER_NAME, db); |
| IdealState is = _gSetupTool.getClusterManagementTool().getResourceIdealState(CLUSTER_NAME, db); |
| validateMinActiveAndTopStateReplica(is, ev, _minActiveReplica, NUM_NODE); |
| validateNoPartitionMove(is, externalViewsBefore.get(db), ev, |
| _participants.get(0).getInstanceName(), true); |
| } |
| |
| Thread.sleep(delay + DEFAULT_REBALANCE_PROCESSING_WAIT_TIME); |
| Assert.assertTrue(_clusterVerifier.verifyByPolling()); |
| // after delay time, it should maintain required number of replicas. |
| for (String db : _testDBs) { |
| ExternalView ev = |
| _gSetupTool.getClusterManagementTool().getResourceExternalView(CLUSTER_NAME, db); |
| IdealState is = _gSetupTool.getClusterManagementTool().getResourceIdealState(CLUSTER_NAME, db); |
| validateMinActiveAndTopStateReplica(is, ev, _replica, NUM_NODE); |
| } |
| } |
| |
| @Test (dependsOnMethods = {"testMinimalActiveReplicaMaintain"}) |
| @Override |
| public void testDisableDelayRebalanceInResource() throws Exception { |
| Map<String, ExternalView> externalViewsBefore = createTestDBs(1000000); |
| |
| // disable one node, no partition should be moved. |
| enableInstance(_participants.get(0).getInstanceName(), false); |
| Thread.sleep(DEFAULT_REBALANCE_PROCESSING_WAIT_TIME); |
| Assert.assertTrue(_clusterVerifier.verifyByPolling()); |
| |
| for (String db : _testDBs) { |
| ExternalView ev = |
| _gSetupTool.getClusterManagementTool().getResourceExternalView(CLUSTER_NAME, db); |
| IdealState is = _gSetupTool.getClusterManagementTool().getResourceIdealState(CLUSTER_NAME, db); |
| validateMinActiveAndTopStateReplica(is, ev, _minActiveReplica, NUM_NODE); |
| validateNoPartitionMove(is, externalViewsBefore.get(db), ev, |
| _participants.get(0).getInstanceName(), true); |
| } |
| |
| // disable delay rebalance for one db, partition should be moved immediately |
| String testDb = _testDBs.get(0); |
| IdealState idealState = _gSetupTool.getClusterManagementTool().getResourceIdealState( |
| CLUSTER_NAME, testDb); |
| idealState.setDelayRebalanceEnabled(false); |
| _gSetupTool.getClusterManagementTool().setResourceIdealState(CLUSTER_NAME, testDb, idealState); |
| Thread.sleep(DEFAULT_REBALANCE_PROCESSING_WAIT_TIME); |
| Assert.assertTrue(_clusterVerifier.verifyByPolling()); |
| |
| // once delay rebalance is disabled, it should maintain required number of replicas for that db. |
| // replica for other dbs should not be moved. |
| for (String db : _testDBs) { |
| ExternalView ev = |
| _gSetupTool.getClusterManagementTool().getResourceExternalView(CLUSTER_NAME, db); |
| IdealState is = |
| _gSetupTool.getClusterManagementTool().getResourceIdealState(CLUSTER_NAME, db); |
| |
| if (db.equals(testDb)) { |
| validateMinActiveAndTopStateReplica(idealState, ev, _replica, NUM_NODE); |
| } else { |
| validateMinActiveAndTopStateReplica(is, ev, _minActiveReplica, NUM_NODE); |
| validateNoPartitionMove(is, externalViewsBefore.get(db), ev, |
| _participants.get(0).getInstanceName(), true); |
| } |
| } |
| } |
| |
| @Test (dependsOnMethods = {"testDisableDelayRebalanceInResource"}) |
| @Override |
| public void testDisableDelayRebalanceInCluster() throws Exception { |
| enableDelayRebalanceInCluster(_gZkClient, CLUSTER_NAME, true); |
| setDelayTimeInCluster(_gZkClient, CLUSTER_NAME, 1000000); |
| Map<String, ExternalView> externalViewsBefore = createTestDBs(-1); |
| |
| // disable one node, no partition should be moved. |
| enableInstance(_participants.get(0).getInstanceName(), false); |
| Thread.sleep(DEFAULT_REBALANCE_PROCESSING_WAIT_TIME); |
| Assert.assertTrue(_clusterVerifier.verifyByPolling()); |
| |
| for (String db : _testDBs) { |
| ExternalView ev = |
| _gSetupTool.getClusterManagementTool().getResourceExternalView(CLUSTER_NAME, db); |
| IdealState is = _gSetupTool.getClusterManagementTool().getResourceIdealState(CLUSTER_NAME, db); |
| validateMinActiveAndTopStateReplica(is, ev, _minActiveReplica, NUM_NODE); |
| validateNoPartitionMove(is, externalViewsBefore.get(db), ev, |
| _participants.get(0).getInstanceName(), true); |
| } |
| |
| // disable delay rebalance for the entire cluster. |
| enableDelayRebalanceInCluster(_gZkClient, CLUSTER_NAME, false); |
| Thread.sleep(DEFAULT_REBALANCE_PROCESSING_WAIT_TIME); |
| Assert.assertTrue(_clusterVerifier.verifyByPolling()); |
| for (String db : _testDBs) { |
| ExternalView ev = |
| _gSetupTool.getClusterManagementTool().getResourceExternalView(CLUSTER_NAME, db); |
| IdealState is = _gSetupTool.getClusterManagementTool().getResourceIdealState( |
| CLUSTER_NAME, db); |
| validateMinActiveAndTopStateReplica(is, ev, _replica, NUM_NODE); |
| } |
| |
| enableDelayRebalanceInCluster(_gZkClient, CLUSTER_NAME, true); |
| } |
| |
| @Test (dependsOnMethods = {"testDisableDelayRebalanceInCluster"}) |
| public void testDisableDelayRebalanceInInstance() throws Exception { |
| super.testDisableDelayRebalanceInInstance(); |
| } |
| |
| @BeforeMethod |
| public void beforeTest() { |
| // restart any participant that has been disconnected from last test. |
| for (int i = 0; i < _participants.size(); i++) { |
| if (!_participants.get(i).isConnected()) { |
| _participants.set(i, new MockParticipantManager(ZK_ADDR, CLUSTER_NAME, |
| _participants.get(i).getInstanceName())); |
| _participants.get(i).syncStart(); |
| } |
| enableInstance(_participants.get(i).getInstanceName(), true); |
| } |
| } |
| |
| private void enableInstance(String instance, boolean enabled) { |
| // Disable one node, no partition should be moved. |
| long currentTime = System.currentTimeMillis(); |
| _gSetupTool.getClusterManagementTool().enableInstance(CLUSTER_NAME, instance, enabled); |
| InstanceConfig instanceConfig = _configAccessor.getInstanceConfig(CLUSTER_NAME, instance); |
| Assert.assertEquals(instanceConfig.getInstanceEnabled(), enabled); |
| Assert.assertTrue(instanceConfig.getInstanceEnabledTime() >= currentTime); |
| Assert.assertTrue(instanceConfig.getInstanceEnabledTime() <= currentTime + 100); |
| } |
| } |