Github user nilday commented on a diff in the pull request:
https://github.com/apache/storm/pull/1674#discussion_r95340314
--- Diff:
storm-core/src/jvm/org/apache/storm/scheduler/blacklist/strategies/DefaultBlacklistStrategy.java
---
@@ -0,0 +1,149 @@
+/**
+ * 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.storm.scheduler.blacklist.strategies;
+
+import org.apache.storm.scheduler.Cluster;
+import org.apache.storm.scheduler.SupervisorDetails;
+import org.apache.storm.scheduler.Topologies;
+import org.apache.storm.scheduler.TopologyDetails;
+import org.apache.storm.scheduler.WorkerSlot;
+import org.apache.storm.scheduler.blacklist.reporters.IReporter;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.TreeMap;
+
+public class DefaultBlacklistStrategy implements IBlacklistStrategy {
+
+ private static Logger LOG =
LoggerFactory.getLogger(DefaultBlacklistStrategy.class);
+
+ private IReporter _reporter;
+
+ private int _toleranceTime;
+ private int _toleranceCount;
+ private int _resumeTime;
+ private int _nimbusMonitorFreqSecs;
+
+ private TreeMap<String, Integer> blacklist;
+
+ @Override
+ public void prepare(IReporter reporter, int toleranceTime, int
toleranceCount, int resumeTime, int nimbusMonitorFreqSecs) {
--- End diff --
May be pass conf here is a better idea, but if I do so, I will have to
parse conf again in DefaultBlacklistStrategy, and I 'll copy the code from
BlacklistScheduler. I think it's not a good idea for maintainance. Any good
idea?
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