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[server] Introduce new rebalance API #1380
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41 changes: 41 additions & 0 deletions
41
fluss-client/src/main/java/org/apache/fluss/client/admin/RebalancePlan.java
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|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.fluss.client.admin; | ||
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| import org.apache.fluss.cluster.rebalance.RebalancePlanForBucket; | ||
| import org.apache.fluss.metadata.TableBucket; | ||
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| import java.util.Map; | ||
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| /** | ||
| * The rebalance plan. | ||
| * | ||
| * @since 0.9 | ||
| */ | ||
| public class RebalancePlan { | ||
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| private final Map<TableBucket, RebalancePlanForBucket> planForBucketMap; | ||
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| public RebalancePlan(Map<TableBucket, RebalancePlanForBucket> planForBucketMap) { | ||
| this.planForBucketMap = planForBucketMap; | ||
| } | ||
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| public Map<TableBucket, RebalancePlanForBucket> getPlanForBucketMap() { | ||
| return planForBucketMap; | ||
| } | ||
| } |
65 changes: 65 additions & 0 deletions
65
fluss-client/src/main/java/org/apache/fluss/client/admin/RebalanceProgress.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.fluss.client.admin; | ||
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| import org.apache.fluss.cluster.rebalance.RebalanceResultForBucket; | ||
| import org.apache.fluss.cluster.rebalance.RebalanceStatus; | ||
| import org.apache.fluss.metadata.TableBucket; | ||
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| import java.util.Map; | ||
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| import static org.apache.fluss.utils.Preconditions.checkNotNull; | ||
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| /** | ||
| * The rebalance progress. | ||
| * | ||
| * @since 0.9 | ||
| */ | ||
| public class RebalanceProgress { | ||
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| /** The rebalance status for the overall rebalance. */ | ||
| private final RebalanceStatus rebalanceStatus; | ||
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| /** The rebalance progress for the overall rebalance. Between 0.0d to 1.0d */ | ||
| private final double progress; | ||
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| /** The rebalance progress for each tabletBucket. */ | ||
| private final Map<TableBucket, RebalanceResultForBucket> progressForBucketMap; | ||
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| public RebalanceProgress( | ||
| RebalanceStatus rebalanceStatus, | ||
| double progress, | ||
| Map<TableBucket, RebalanceResultForBucket> progressForBucketMap) { | ||
| // TODO: we may derive the overall progress and status from progressForBucketMap | ||
| this.rebalanceStatus = checkNotNull(rebalanceStatus); | ||
| this.progress = progress; | ||
| this.progressForBucketMap = checkNotNull(progressForBucketMap); | ||
| } | ||
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| public RebalanceStatus status() { | ||
| return rebalanceStatus; | ||
| } | ||
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| public double progress() { | ||
| return progress; | ||
| } | ||
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| public Map<TableBucket, RebalanceResultForBucket> progressForBucketMap() { | ||
| return progressForBucketMap; | ||
| } | ||
| } |
60 changes: 60 additions & 0 deletions
60
fluss-common/src/main/java/org/apache/fluss/cluster/rebalance/GoalType.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.fluss.cluster.rebalance; | ||
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| import org.apache.fluss.annotation.PublicEvolving; | ||
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| import java.util.Arrays; | ||
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| /** | ||
| * The type of goal to optimize. | ||
| * | ||
| * @since 0.9 | ||
| */ | ||
| @PublicEvolving | ||
| public enum GoalType { | ||
| /** | ||
| * Goal to generate replica movement tasks to ensure that the number of replicas on each | ||
| * tabletServer is near balanced. | ||
| */ | ||
| REPLICA_DISTRIBUTION_GOAL(0), | ||
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| /** | ||
| * Goal to generate leadership movement and leader replica movement tasks to ensure that the | ||
| * number of leader replicas on each tabletServer is near balanced. | ||
| */ | ||
| LEADER_DISTRIBUTION_GOAL(1); | ||
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| public final int value; | ||
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| GoalType(int value) { | ||
| this.value = value; | ||
| } | ||
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| public static GoalType valueOf(int value) { | ||
| if (value == REPLICA_DISTRIBUTION_GOAL.value) { | ||
| return REPLICA_DISTRIBUTION_GOAL; | ||
| } else if (value == LEADER_DISTRIBUTION_GOAL.value) { | ||
| return LEADER_DISTRIBUTION_GOAL; | ||
| } else { | ||
| throw new IllegalArgumentException( | ||
| String.format( | ||
| "Value %s must be one of %s", value, Arrays.asList(GoalType.values()))); | ||
| } | ||
| } | ||
| } |
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