zhangyue19921010 commented on a change in pull request #10524:
URL: https://github.com/apache/druid/pull/10524#discussion_r582664070
##########
File path:
indexing-service/src/main/java/org/apache/druid/indexing/seekablestream/supervisor/SeekableStreamSupervisorSpec.java
##########
@@ -151,6 +157,37 @@ public DruidMonitorSchedulerConfig
getMonitorSchedulerConfig()
@Override
public abstract Supervisor createSupervisor();
+ /**
+ * need to notice that autoScaler would be null which means autoscale is
dissable.
+ * @param supervisor
+ * @return autoScaler, disable autoscale will return dummyAutoScaler and
enable autoscale wiil return defaultAutoScaler by default.
+ */
+ @Override
+ @SuppressFBWarnings(value = "RV_RETURN_VALUE_IGNORED", justification =
"using siwtch(String)")
+ public SupervisorTaskAutoscaler createAutoscaler(Supervisor supervisor)
Review comment:
Nice Coding! changed.
##########
File path:
indexing-service/src/main/java/org/apache/druid/indexing/seekablestream/supervisor/autoscaler/AutoScalerConfig.java
##########
@@ -0,0 +1,40 @@
+/*
+ * 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.
+ */
+
+package org.apache.druid.indexing.seekablestream.supervisor.autoscaler;
+
+import com.fasterxml.jackson.annotation.JsonSubTypes;
+import com.fasterxml.jackson.annotation.JsonSubTypes.Type;
+import com.fasterxml.jackson.annotation.JsonTypeInfo;
+import org.apache.druid.guice.annotations.UnstableApi;
+
+@UnstableApi
+@JsonTypeInfo(use = JsonTypeInfo.Id.NAME, property = "autoScalerStrategy",
defaultImpl = DefaultAutoScalerConfig.class)
+@JsonSubTypes(value = {
+ @Type(name = "default", value = DefaultAutoScalerConfig.class)
+})
+public interface AutoScalerConfig
+{
+ boolean getEnableTaskAutoscaler();
+ long getMinTriggerDynamicFrequencyMillis();
+ String getAutoScalerStrategy();
Review comment:
Changed.
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