change the way to use RetryQueryRunnerConfig

processing/src/main/java/io/druid/query/RetryQueryRunner.java

@@ -32,11 +32,13 @@ public class RetryQueryRunner<T> implements QueryRunner<T>
 {
   private final QueryRunner<T> baseRunner;
   private final QueryToolChest<T, Query<T>> toolChest;
+  private final RetryQueryRunnerConfig config;
 
-  public RetryQueryRunner(QueryRunner<T> baseRunner, QueryToolChest<T, Query<T>> toolChest)
+  public RetryQueryRunner(QueryRunner<T> baseRunner, QueryToolChest<T, Query<T>> toolChest, RetryQueryRunnerConfig config)
   {
     this.baseRunner = baseRunner;
     this.toolChest = toolChest;
+    this.config = config;
   }
 
   @Override
@@ -44,7 +46,7 @@ public class RetryQueryRunner<T> implements QueryRunner<T>
   {
     Sequence<T> returningSeq = baseRunner.run(query, metadata);
 
-    for (int i = RetryQueryRunnerConfig.numTries(); i > 0; i--) {
+    for (int i = config.numTries(); i > 0; i--) {
       for (int j = metadata.get("missingSegments").size(); j > 0; j--) {
         QuerySegmentSpec segmentSpec = new SpecificSegmentSpec((SegmentDescriptor)metadata.get("missingSegments").remove(0));
         returningSeq = toolChest.mergeSequences(

processing/src/main/java/io/druid/query/RetryQueryRunnerConfig.java

@@ -24,7 +24,7 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 public class RetryQueryRunnerConfig
 {
   @JsonProperty
-  private static int numTries = 1;
+  private int numTries = 1;
 
-  public static int numTries() { return numTries; }
+  public int numTries() { return numTries; }
 }

server/src/main/java/io/druid/server/ClientQuerySegmentWalker.java

@@ -32,6 +32,7 @@ import io.druid.query.QuerySegmentWalker;
 import io.druid.query.QueryToolChest;
 import io.druid.query.QueryToolChestWarehouse;
 import io.druid.query.RetryQueryRunner;
+import io.druid.query.RetryQueryRunnerConfig;
 import io.druid.query.SegmentDescriptor;
 import io.druid.query.UnionQueryRunner;
 import org.joda.time.Interval;
@@ -45,17 +46,20 @@ public class ClientQuerySegmentWalker implements QuerySegmentWalker
   private final ServiceEmitter emitter;
   private final CachingClusteredClient baseClient;
   private final QueryToolChestWarehouse warehouse;
+  private final RetryQueryRunnerConfig retryConfig;
 
   @Inject
   public ClientQuerySegmentWalker(
       ServiceEmitter emitter,
       CachingClusteredClient baseClient,
-      QueryToolChestWarehouse warehouse
+      QueryToolChestWarehouse warehouse,
+      RetryQueryRunnerConfig retryConfig
   )
   {
     this.emitter = emitter;
     this.baseClient = baseClient;
     this.warehouse = warehouse;
+    this.retryConfig = retryConfig;
   }
 
   @Override
@@ -87,7 +91,7 @@ public class ClientQuerySegmentWalker implements QuerySegmentWalker
                             return toolChest.makeMetricBuilder(query);
                           }
                         },
-                        toolChest.preMergeQueryDecoration(new RetryQueryRunner<T>(baseClient, toolChest)
+                        toolChest.preMergeQueryDecoration(new RetryQueryRunner<T>(baseClient, toolChest, retryConfig)
                             )
                     ).withWaitMeasuredFromNow(),
                     toolChest