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add pending task based resource management strategy (#2086)
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123 changes: 123 additions & 0 deletions
123
...java/io/druid/indexing/overlord/autoscaling/AbstractWorkerResourceManagementStrategy.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,123 @@ | ||
| /* | ||
| * Licensed to Metamarkets Group Inc. (Metamarkets) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. Metamarkets 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 io.druid.indexing.overlord.autoscaling; | ||
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|
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| import com.metamx.common.concurrent.ScheduledExecutors; | ||
| import com.metamx.emitter.EmittingLogger; | ||
| import io.druid.granularity.PeriodGranularity; | ||
| import io.druid.indexing.overlord.WorkerTaskRunner; | ||
| import org.joda.time.DateTime; | ||
| import org.joda.time.Duration; | ||
| import org.joda.time.Period; | ||
|
|
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| import java.util.concurrent.ScheduledExecutorService; | ||
|
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| /** | ||
| */ | ||
| public abstract class AbstractWorkerResourceManagementStrategy implements ResourceManagementStrategy<WorkerTaskRunner> | ||
| { | ||
| private static final EmittingLogger log = new EmittingLogger(AbstractWorkerResourceManagementStrategy.class); | ||
|
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| private final ResourceManagementSchedulerConfig resourceManagementSchedulerConfig; | ||
| private final ScheduledExecutorService exec; | ||
| private final Object lock = new Object(); | ||
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| private volatile boolean started = false; | ||
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| protected AbstractWorkerResourceManagementStrategy( | ||
| ResourceManagementSchedulerConfig resourceManagementSchedulerConfig, | ||
| ScheduledExecutorService exec | ||
| ) | ||
| { | ||
| this.resourceManagementSchedulerConfig = resourceManagementSchedulerConfig; | ||
| this.exec = exec; | ||
| } | ||
|
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| @Override | ||
| public void startManagement(final WorkerTaskRunner runner) | ||
| { | ||
| synchronized (lock) { | ||
| if (started) { | ||
| return; | ||
| } | ||
|
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| log.info("Started Resource Management Scheduler"); | ||
|
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| ScheduledExecutors.scheduleAtFixedRate( | ||
| exec, | ||
| resourceManagementSchedulerConfig.getProvisionPeriod().toStandardDuration(), | ||
| new Runnable() | ||
| { | ||
| @Override | ||
| public void run() | ||
| { | ||
| // Any Errors are caught by ScheduledExecutors | ||
| doProvision(runner); | ||
| } | ||
| } | ||
| ); | ||
|
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| // Schedule termination of worker nodes periodically | ||
| Period period = resourceManagementSchedulerConfig.getTerminatePeriod(); | ||
| PeriodGranularity granularity = new PeriodGranularity( | ||
| period, | ||
| resourceManagementSchedulerConfig.getOriginTime(), | ||
| null | ||
| ); | ||
| final long startTime = granularity.next(granularity.truncate(new DateTime().getMillis())); | ||
|
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| ScheduledExecutors.scheduleAtFixedRate( | ||
| exec, | ||
| new Duration(System.currentTimeMillis(), startTime), | ||
| resourceManagementSchedulerConfig.getTerminatePeriod().toStandardDuration(), | ||
| new Runnable() | ||
| { | ||
| @Override | ||
| public void run() | ||
| { | ||
| // Any Errors are caught by ScheduledExecutors | ||
| doTerminate(runner); | ||
| } | ||
| } | ||
| ); | ||
|
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| started = true; | ||
|
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| } | ||
| } | ||
|
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| abstract boolean doTerminate(WorkerTaskRunner runner); | ||
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| abstract boolean doProvision(WorkerTaskRunner runner); | ||
|
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| @Override | ||
| public void stopManagement() | ||
| { | ||
| synchronized (lock) { | ||
| if (!started) { | ||
| return; | ||
| } | ||
| log.info("Stopping Resource Management Scheduler"); | ||
| exec.shutdown(); | ||
| started = false; | ||
| } | ||
| } | ||
|
|
||
| } |
74 changes: 74 additions & 0 deletions
74
...o/druid/indexing/overlord/autoscaling/PendingTaskBasedWorkerResourceManagementConfig.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| /* | ||
| * Licensed to Metamarkets Group Inc. (Metamarkets) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. Metamarkets 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 io.druid.indexing.overlord.autoscaling; | ||
|
|
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| import com.fasterxml.jackson.annotation.JsonProperty; | ||
| import org.joda.time.Period; | ||
|
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| /** | ||
| */ | ||
| public class PendingTaskBasedWorkerResourceManagementConfig extends SimpleWorkerResourceManagementConfig | ||
| { | ||
| @JsonProperty | ||
| private int maxScalingStep = 10; | ||
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| public int getMaxScalingStep() | ||
| { | ||
| return maxScalingStep; | ||
| } | ||
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| public PendingTaskBasedWorkerResourceManagementConfig setMaxScalingStep(int maxScalingStep) | ||
| { | ||
| this.maxScalingStep = maxScalingStep; | ||
| return this; | ||
| } | ||
|
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| public PendingTaskBasedWorkerResourceManagementConfig setWorkerIdleTimeout(Period workerIdleTimeout) | ||
| { | ||
| super.setWorkerIdleTimeout(workerIdleTimeout); | ||
| return this; | ||
| } | ||
|
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| public PendingTaskBasedWorkerResourceManagementConfig setMaxScalingDuration(Period maxScalingDuration) | ||
| { | ||
| super.setMaxScalingDuration(maxScalingDuration); | ||
| return this; | ||
| } | ||
|
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| public PendingTaskBasedWorkerResourceManagementConfig setNumEventsToTrack(int numEventsToTrack) | ||
| { | ||
| super.setNumEventsToTrack(numEventsToTrack); | ||
| return this; | ||
| } | ||
|
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| public PendingTaskBasedWorkerResourceManagementConfig setWorkerVersion(String workerVersion) | ||
| { | ||
| super.setWorkerVersion(workerVersion); | ||
| return this; | ||
| } | ||
|
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| public PendingTaskBasedWorkerResourceManagementConfig setPendingTaskTimeout(Period pendingTaskTimeout) | ||
| { | ||
| super.setPendingTaskTimeout(pendingTaskTimeout); | ||
| return this; | ||
| } | ||
|
|
||
| } |
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