leventov commented on a change in pull request #6349: maintenance mode for 
Historical
URL: https://github.com/apache/incubator-druid/pull/6349#discussion_r224180357
 
 

 ##########
 File path: 
server/src/main/java/org/apache/druid/server/coordinator/CoordinatorDynamicConfig.java
 ##########
 @@ -92,11 +98,17 @@ public CoordinatorDynamicConfig(
     this.balancerComputeThreads = Math.max(balancerComputeThreads, 1);
     this.emitBalancingStats = emitBalancingStats;
     this.killAllDataSources = killAllDataSources;
-    this.killDataSourceWhitelist = 
parseJsonStringOrArray(killDataSourceWhitelist);
-    this.killPendingSegmentsSkipList = 
parseJsonStringOrArray(killPendingSegmentsSkipList);
+    this.killableDatasources = parseJsonStringOrArray(killableDatasources);
+    this.protectedPendingSegmentDatasources = 
parseJsonStringOrArray(protectedPendingSegmentDatasources);
     this.maxSegmentsInNodeLoadingQueue = maxSegmentsInNodeLoadingQueue;
+    this.historicalNodesInMaintenance = 
parseJsonStringOrArray(historicalNodesInMaintenance);
+    Preconditions.checkArgument(
+        nodesInMaintenancePriority >= 0 && nodesInMaintenancePriority <= 10,
+        "nodesInMaintenancePriority should be in range [0, 10]"
+    );
+    this.nodesInMaintenancePriority = nodesInMaintenancePriority;
 
-    if (this.killAllDataSources && !this.killDataSourceWhitelist.isEmpty()) {
+    if (this.killAllDataSources && !this.killableDatasources.isEmpty()) {
 
 Review comment:
   @egor-ryashin could you please rename to killableData**S**ources that is 
more conventional spelling

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