fixed with Erics feedback

server/src/main/java/com/metamx/druid/http/InfoResource.java

@@ -31,11 +31,9 @@ import com.metamx.druid.client.DruidDataSource;
 import com.metamx.druid.client.DruidServer;
 import com.metamx.druid.client.InventoryView;
 import com.metamx.druid.client.indexing.IndexingServiceClient;
-import com.metamx.druid.config.JacksonConfigManager;
 import com.metamx.druid.db.DatabaseRuleManager;
 import com.metamx.druid.db.DatabaseSegmentManager;
 import com.metamx.druid.master.DruidMaster;
-import com.metamx.druid.master.DynamicConfigs;
 import com.metamx.druid.master.rules.Rule;
 import org.joda.time.Interval;
 
@@ -103,7 +101,6 @@ public class InfoResource
   private final DatabaseSegmentManager databaseSegmentManager;
   private final DatabaseRuleManager databaseRuleManager;
   private final IndexingServiceClient indexingServiceClient;
-  private final JacksonConfigManager configManager;
 
 
   @Inject
@@ -112,7 +109,6 @@ public class InfoResource
       InventoryView serverInventoryView,
       DatabaseSegmentManager databaseSegmentManager,
       DatabaseRuleManager databaseRuleManager,
-      JacksonConfigManager configManager,
       @Nullable
       IndexingServiceClient indexingServiceClient
   )
@@ -121,7 +117,6 @@ public class InfoResource
     this.serverInventoryView = serverInventoryView;
     this.databaseSegmentManager = databaseSegmentManager;
     this.databaseRuleManager = databaseRuleManager;
-    this.configManager = configManager;
     this.indexingServiceClient = indexingServiceClient;
   }
 
@@ -135,20 +130,6 @@ public class InfoResource
                    .build();
   }
 
-  @GET
-  @Path("/master/config")
-  @Produces("application/json")
-  public Response getDynamicConfigs()
-  {
-    Response.ResponseBuilder builder = Response.status(Response.Status.OK)
-                                               .entity(
-                                                   configManager.watch(
-                                                       DynamicConfigs.CONFIG_KEY,
-                                                       DynamicConfigs.class
-                                                   ).get()
-                                               );
-    return builder.build();
-  }
 
   @GET
   @Path("/cluster")
@@ -394,20 +375,6 @@ public class InfoResource
     return Response.status(Response.Status.INTERNAL_SERVER_ERROR).build();
   }
 
-  @POST
-  @Path("master/config")
-  @Consumes("application/json")
-  public Response setDynamicConfigs(
-      final DynamicConfigs dynamicConfigs
-  )
-  {
-    if (!configManager.set(DynamicConfigs.CONFIG_KEY, dynamicConfigs)) {
-      return Response.status(Response.Status.BAD_REQUEST).build();
-    }
-    return Response.status(Response.Status.OK).build();
-  }
-
-
   @GET
   @Path("/datasources")
   @Produces("application/json")

server/src/main/java/com/metamx/druid/http/MasterMain.java

@@ -332,6 +332,7 @@ public class MasterMain
     );
     root.addFilter(GuiceFilter.class, "/info/*", 0);
     root.addFilter(GuiceFilter.class, "/master/*", 0);
+    root.addFilter(GuiceFilter.class, "/masterSegmentSettings/*",0);
 
     server.start();
     server.join();

server/src/main/java/com/metamx/druid/http/MasterResource.java

@@ -24,13 +24,10 @@ import com.metamx.druid.master.LoadPeonCallback;
 
 import javax.inject.Inject;
 import javax.ws.rs.Consumes;
-import javax.ws.rs.GET;
 import javax.ws.rs.POST;
 import javax.ws.rs.Path;
-import javax.ws.rs.Produces;
 import javax.ws.rs.core.Response;
 import java.util.List;
-import java.util.Map;
 
 /**
  */
@@ -110,11 +107,5 @@ public class MasterResource
     return resp;
   }
 
-  @GET
+
-  @Path("/loadstatus")
-  @Produces("application/json")
-  public Map<String, Double> getLoadStatus()
-  {
-    return master.getLoadStatus();
-  }
 }

server/src/main/java/com/metamx/druid/http/MasterSegmentSettingsResource.java

@@ -0,0 +1,71 @@
+/*
+* Druid - a distributed column store.
+* Copyright (C) 2012  Metamarkets Group Inc.
+*
+* This program is free software; you can redistribute it and/or
+* modify it under the terms of the GNU General Public License
+* as published by the Free Software Foundation; either version 2
+* of the License, or (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+*/
+package com.metamx.druid.http;
+
+import com.metamx.druid.config.JacksonConfigManager;
+import com.metamx.druid.master.MasterSegmentSettings;
+
+import javax.inject.Inject;
+import javax.ws.rs.Consumes;
+import javax.ws.rs.GET;
+import javax.ws.rs.POST;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.Response;
+
+/**
+ */
+@Path("/masterSegmentSettings")
+public class MasterSegmentSettingsResource
+{
+  private final JacksonConfigManager manager;
+
+  @Inject
+  public MasterSegmentSettingsResource(
+      JacksonConfigManager manager
+  )
+  {
+    this.manager=manager;
+  }
+  @GET
+  @Path("/config")
+  @Produces("application/json")
+  public Response getDynamicConfigs()
+  {
+    Response.ResponseBuilder builder = Response.status(Response.Status.OK)
+                                               .entity(
+                                                   manager.watch(MasterSegmentSettings.CONFIG_KEY,MasterSegmentSettings.class).get()
+                                               );
+    return builder.build();
+  }
+
+  @POST
+  @Path("/config")
+  @Consumes("application/json")
+  public Response setDynamicConfigs(
+      final MasterSegmentSettings masterSegmentSettings
+  )
+  {
+    if (!manager.set(MasterSegmentSettings.CONFIG_KEY, masterSegmentSettings)) {
+      return Response.status(Response.Status.BAD_REQUEST).build();
+    }
+    return Response.status(Response.Status.OK).build();
+  }
+
+}

server/src/main/java/com/metamx/druid/http/MasterServletModule.java

@@ -46,6 +46,7 @@ public class MasterServletModule extends JerseyServletModule
   private final IndexingServiceClient indexingServiceClient;
   private final JacksonConfigManager configManager;
 
+
   public MasterServletModule(
       InventoryView serverInventoryView,
       DatabaseSegmentManager segmentInventoryManager,
@@ -68,6 +69,7 @@ public class MasterServletModule extends JerseyServletModule
   @Override
   protected void configureServlets()
   {
+    bind(MasterSegmentSettingsResource.class);
     bind(InfoResource.class);
     bind(MasterResource.class);
     bind(InventoryView.class).toInstance(serverInventoryView);

server/src/main/java/com/metamx/druid/master/DruidMaster.java

@@ -95,6 +95,7 @@ public class DruidMaster
 
   private final Map<String, LoadQueuePeon> loadManagementPeons;
   private final AtomicReference<LeaderLatch> leaderLatch;
+  private AtomicReference<MasterSegmentSettings> segmentSettingsAtomicReference;
 
   public DruidMaster(
       DruidMasterConfig config,
@@ -156,6 +157,7 @@ public class DruidMaster
     this.exec = scheduledExecutorFactory.create(1, "Master-Exec--%d");
 
     this.leaderLatch = new AtomicReference<LeaderLatch>(null);
+    this.segmentSettingsAtomicReference= new AtomicReference<MasterSegmentSettings>(null);
     this.loadManagementPeons = loadQueuePeonMap;
   }
 
@@ -465,8 +467,7 @@ public class DruidMaster
         serverInventoryView.start();
 
         final List<Pair<? extends MasterRunnable, Duration>> masterRunnables = Lists.newArrayList();
-         configManager.watch(DynamicConfigs.CONFIG_KEY, DynamicConfigs.class);
+        segmentSettingsAtomicReference = configManager.watch(MasterSegmentSettings.CONFIG_KEY, MasterSegmentSettings.class,(new MasterSegmentSettings.Builder()).build());
-         configManager.set(DynamicConfigs.CONFIG_KEY, (new DynamicConfigs.Builder()).build());
         masterRunnables.add(Pair.of(new MasterComputeManagerRunnable(), config.getMasterPeriod()));
         if (indexingServiceClient != null) {
 
@@ -651,13 +652,11 @@ public class DruidMaster
         }
 
         // Do master stuff.
-        DynamicConfigs dynamicConfigs = configManager.watch(DynamicConfigs.CONFIG_KEY,DynamicConfigs.class).get();
-
         DruidMasterRuntimeParams params =
             DruidMasterRuntimeParams.newBuilder()
                                     .withStartTime(startTime)
                                     .withDatasources(databaseSegmentManager.getInventory())
-                                    .withDynamicConfigs(dynamicConfigs)
+                                    .withMasterSegmentSettings(segmentSettingsAtomicReference.get())
                                     .withEmitter(emitter)
                                     .build();
 
@@ -756,7 +755,9 @@ public class DruidMaster
                                .withLoadManagementPeons(loadManagementPeons)
                                .withSegmentReplicantLookup(segmentReplicantLookup)
                                .withBalancerReferenceTimestamp(DateTime.now())
-                               .withDynamicConfigs(configManager.watch(DynamicConfigs.CONFIG_KEY,DynamicConfigs.class).get())
+                               .withMasterSegmentSettings(
+                                   segmentSettingsAtomicReference.get()
+                               )
                                .build();
                 }
               },

server/src/main/java/com/metamx/druid/master/DruidMasterBalancer.java

@@ -79,7 +79,7 @@ public class DruidMasterBalancer implements DruidMasterHelper
     final MasterStats stats = new MasterStats();
     final DateTime referenceTimestamp = params.getBalancerReferenceTimestamp();
     final BalancerCostAnalyzer analyzer = params.getBalancerCostAnalyzer(referenceTimestamp);
-    final int maxSegmentsToMove = params.getMaxSegmentsToMove();
+    final int maxSegmentsToMove = params.getMasterSegmentSettings().getMaxSegmentsToMove();
 
     for (Map.Entry<String, MinMaxPriorityQueue<ServerHolder>> entry :
         params.getDruidCluster().getCluster().entrySet()) {

server/src/main/java/com/metamx/druid/master/DruidMasterRuntimeParams.java

@@ -46,7 +46,7 @@ public class DruidMasterRuntimeParams
   private final Map<String, LoadQueuePeon> loadManagementPeons;
   private final ReplicationThrottler replicationManager;
   private final ServiceEmitter emitter;
-  private final DynamicConfigs dynamicConfigs;
+  private final MasterSegmentSettings masterSegmentSettings;
   private final MasterStats stats;
   private final DateTime balancerReferenceTimestamp;
 
@@ -60,7 +60,7 @@ public class DruidMasterRuntimeParams
       Map<String, LoadQueuePeon> loadManagementPeons,
       ReplicationThrottler replicationManager,
       ServiceEmitter emitter,
-      DynamicConfigs dynamicConfigs,
+      MasterSegmentSettings masterSegmentSettings,
       MasterStats stats,
       DateTime balancerReferenceTimestamp
   )
@@ -74,7 +74,7 @@ public class DruidMasterRuntimeParams
     this.loadManagementPeons = loadManagementPeons;
     this.replicationManager = replicationManager;
     this.emitter = emitter;
-    this.dynamicConfigs = dynamicConfigs;
+    this.masterSegmentSettings = masterSegmentSettings;
     this.stats = stats;
     this.balancerReferenceTimestamp = balancerReferenceTimestamp;
   }
@@ -124,9 +124,9 @@ public class DruidMasterRuntimeParams
     return emitter;
   }
 
-  public long getMillisToWaitBeforeDeleting()
+  public MasterSegmentSettings getMasterSegmentSettings()
   {
-    return dynamicConfigs.getMillisToWaitBeforeDeleting();
+    return masterSegmentSettings;
   }
 
   public MasterStats getMasterStats()
@@ -134,21 +134,6 @@ public class DruidMasterRuntimeParams
     return stats;
   }
 
-  public long getMergeBytesLimit()
-  {
-    return dynamicConfigs.getMergeBytesLimit();
-  }
-
-  public int getMergeSegmentsLimit()
-  {
-    return dynamicConfigs.getMergeSegmentsLimit();
-  }
-
-  public int getMaxSegmentsToMove()
-  {
-    return dynamicConfigs.getMaxSegmentsToMove();
-  }
-
   public DateTime getBalancerReferenceTimestamp()
   {
     return balancerReferenceTimestamp;
@@ -161,7 +146,7 @@ public class DruidMasterRuntimeParams
 
   public boolean hasDeletionWaitTimeElapsed()
   {
-    return (System.currentTimeMillis() - getStartTime() > getMillisToWaitBeforeDeleting());
+    return (System.currentTimeMillis() - getStartTime() > masterSegmentSettings.getMillisToWaitBeforeDeleting());
   }
 
   public static Builder newBuilder()
@@ -181,7 +166,7 @@ public class DruidMasterRuntimeParams
         loadManagementPeons,
         replicationManager,
         emitter,
-        dynamicConfigs,
+        masterSegmentSettings,
         stats,
         balancerReferenceTimestamp
     );
@@ -198,7 +183,7 @@ public class DruidMasterRuntimeParams
     private final Map<String, LoadQueuePeon> loadManagementPeons;
     private ReplicationThrottler replicationManager;
     private ServiceEmitter emitter;
-    private DynamicConfigs dynamicConfigs;
+    private MasterSegmentSettings masterSegmentSettings;
     private MasterStats stats;
     private DateTime balancerReferenceTimestamp;
 
@@ -214,7 +199,7 @@ public class DruidMasterRuntimeParams
       this.replicationManager = null;
       this.emitter = null;
       this.stats = new MasterStats();
-      this.dynamicConfigs = new DynamicConfigs.Builder().build();
+      this.masterSegmentSettings = new MasterSegmentSettings.Builder().build();
       this.balancerReferenceTimestamp = null;
     }
 
@@ -228,7 +213,7 @@ public class DruidMasterRuntimeParams
         Map<String, LoadQueuePeon> loadManagementPeons,
         ReplicationThrottler replicationManager,
         ServiceEmitter emitter,
-        DynamicConfigs dynamicConfigs,
+        MasterSegmentSettings masterSegmentSettings,
         MasterStats stats,
         DateTime balancerReferenceTimestamp
     )
@@ -242,7 +227,7 @@ public class DruidMasterRuntimeParams
       this.loadManagementPeons = loadManagementPeons;
       this.replicationManager = replicationManager;
       this.emitter = emitter;
-      this.dynamicConfigs=dynamicConfigs;
+      this.masterSegmentSettings = masterSegmentSettings;
       this.stats = stats;
       this.balancerReferenceTimestamp = balancerReferenceTimestamp;
     }
@@ -259,7 +244,7 @@ public class DruidMasterRuntimeParams
           loadManagementPeons,
           replicationManager,
           emitter,
-          dynamicConfigs,
+          masterSegmentSettings,
           stats,
           balancerReferenceTimestamp
       );
@@ -325,9 +310,9 @@ public class DruidMasterRuntimeParams
       return this;
     }
 
-    public Builder withDynamicConfigs(DynamicConfigs configs)
+    public Builder withMasterSegmentSettings(MasterSegmentSettings configs)
     {
-      this.dynamicConfigs = configs;
+      this.masterSegmentSettings = configs;
       return this;
     }
 

server/src/main/java/com/metamx/druid/master/DruidMasterSegmentMerger.java

@@ -107,9 +107,9 @@ public class DruidMasterSegmentMerger implements DruidMasterHelper
           throw Throwables.propagate(e);
         }
 
-        if (segmentsToMerge.getByteCount() > params.getMergeBytesLimit()
+        if (segmentsToMerge.getByteCount() > params.getMasterSegmentSettings().getMergeBytesLimit()
-            || segmentsToMerge.getSegmentCount() >= params.getMergeSegmentsLimit()) {
+            || segmentsToMerge.getSegmentCount() >= params.getMasterSegmentSettings().getMergeSegmentsLimit()) {
-          i -= segmentsToMerge.backtrack(params.getMergeBytesLimit());
+          i -= segmentsToMerge.backtrack(params.getMasterSegmentSettings().getMergeBytesLimit());
 
           if (segmentsToMerge.getSegmentCount() > 1) {
             stats.addToGlobalStat("mergedCount", mergeSegments(segmentsToMerge, entry.getKey()));
@@ -125,7 +125,7 @@ public class DruidMasterSegmentMerger implements DruidMasterHelper
       }
 
       // Finish any timelineObjects to merge that may have not hit threshold
-      segmentsToMerge.backtrack(params.getMergeBytesLimit());
+      segmentsToMerge.backtrack(params.getMasterSegmentSettings().getMergeBytesLimit());
       if (segmentsToMerge.getSegmentCount() > 1) {
         stats.addToGlobalStat("mergedCount", mergeSegments(segmentsToMerge, entry.getKey()));
       }

server/src/main/java/com/metamx/druid/master/MasterSegmentSettings.java

@@ -21,7 +21,7 @@ package com.metamx.druid.master;
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
-public class DynamicConfigs
+public class MasterSegmentSettings
 {
   public static final String CONFIG_KEY = "master.dynamicConfigs";
   private long millisToWaitBeforeDeleting=15 * 60 * 1000L;
@@ -30,10 +30,11 @@ public class DynamicConfigs
   private int maxSegmentsToMove = 5;
 
   @JsonCreator
-  public DynamicConfigs(@JsonProperty("millisToWaitBeforeDeleting") Long millisToWaitBeforeDeleting,
+  public MasterSegmentSettings(
-                        @JsonProperty("mergeBytesLimit") Long mergeBytesLimit,
+      @JsonProperty("millisToWaitBeforeDeleting") Long millisToWaitBeforeDeleting,
-                        @JsonProperty("mergeSegmentsLimit") Integer mergeSegmentsLimit,
+      @JsonProperty("mergeBytesLimit") Long mergeBytesLimit,
-                        @JsonProperty("maxSegmentsToMove") Integer maxSegmentsToMove
+      @JsonProperty("mergeSegmentsLimit") Integer mergeSegmentsLimit,
+      @JsonProperty("maxSegmentsToMove") Integer maxSegmentsToMove
   )
   {
       this.maxSegmentsToMove=maxSegmentsToMove;
@@ -120,9 +121,9 @@ public class DynamicConfigs
       return this;
     }
 
-    public DynamicConfigs build()
+    public MasterSegmentSettings build()
     {
-      return new DynamicConfigs(millisToWaitBeforeDeleting,mergeBytesLimit,mergeSegmentsLimit,maxSegmentsToMove);
+      return new MasterSegmentSettings(millisToWaitBeforeDeleting,mergeBytesLimit,mergeSegmentsLimit,maxSegmentsToMove);
     }
   }
 }

server/src/main/resources/static/index.html

@@ -38,7 +38,7 @@
         <a href="rules.html">Configure Compute Node Rules</a>
     </div>
     <div>
-        <a href="dynamicConfigs.html">Configure Dynamic Master Parameters</a>
+        <a href="masterSegmentSettings.html">Configure Dynamic Master Parameters</a>
     </div>
     <div>
         <a href="enable.html">Enable/Disable Datasources</a>

server/src/main/resources/static/js/masterSegmentSettings.js

@@ -1,5 +1,5 @@
 $(function () {
-    $.get('../info/master/config', function (data) {
+    $.get('../masterSegmentSettings/config', function (data) {
         document.getElementById("millis").value=data["millisToWaitBeforeDeleting"];
         document.getElementById("mergeBytes").value = data["mergeBytesLimit"];
         document.getElementById("mergeSegments").value = data["mergeSegmentsLimit"];
@@ -15,7 +15,7 @@ $(function () {
             values[list[i]["name"]]=list[i]["value"];
         }
         $.ajax({
-            url:'../info/master/config',
+            url:'../masterSegmentSettings/config',
             type:"POST",
             data: JSON.stringify(values),
             contentType:"application/json; charset=utf-8",

server/src/main/resources/static/masterSegmentSettings.html

@@ -17,7 +17,7 @@
 </form>
 </body>
 <script type="text/javascript" src="js/jquery-1.8.3.js"></script>
-<script type="text/javascript" src="js/dynamicConfigs.js"></script>
+<script type="text/javascript" src="js/masterSegmentSettings.js"></script>
 
 </script>
 </html>

server/src/test/java/com/metamx/druid/master/DruidMasterBalancerTest.java

@@ -192,8 +192,9 @@ public class DruidMasterBalancerTest
                                     )
                                 )
                                 .withAvailableSegments(segments.values())
-                                .withDynamicConfigs(
+                                .withMasterSegmentSettings(
-                                    new DynamicConfigs.Builder().withMaxSegmentsToMove(MAX_SEGMENTS_TO_MOVE).build()
+                                    new MasterSegmentSettings.Builder().withMaxSegmentsToMove(MAX_SEGMENTS_TO_MOVE)
+                                                                       .build()
                                 )
                                 .withBalancerReferenceTimestamp(new DateTime("2013-01-01"))
                                 .build();
@@ -283,7 +284,11 @@ public class DruidMasterBalancerTest
                                     )
                                 )
                                 .withAvailableSegments(segments.values())
-                                .withDynamicConfigs(new DynamicConfigs.Builder().withMaxSegmentsToMove(MAX_SEGMENTS_TO_MOVE).build())
+                                .withMasterSegmentSettings(
+                                    new MasterSegmentSettings.Builder().withMaxSegmentsToMove(
+                                        MAX_SEGMENTS_TO_MOVE
+                                    ).build()
+                                )
                                 .withBalancerReferenceTimestamp(new DateTime("2013-01-01"))
                                 .build();
 

server/src/test/java/com/metamx/druid/master/DruidMasterRuleRunnerTest.java

@@ -177,7 +177,7 @@ public class DruidMasterRuleRunnerTest
             .withAvailableSegments(availableSegments)
             .withDatabaseRuleManager(databaseRuleManager)
             .withSegmentReplicantLookup(SegmentReplicantLookup.make(new DruidCluster()))
-            .withDynamicConfigs(new DynamicConfigs.Builder().withMaxSegmentsToMove(5).build())
+            .withMasterSegmentSettings(new MasterSegmentSettings.Builder().withMaxSegmentsToMove(5).build())
             .build();
 
     DruidMasterRuntimeParams afterParams = ruleRunner.run(params);
@@ -522,7 +522,7 @@ public class DruidMasterRuleRunnerTest
 
     DruidMasterRuntimeParams params = new DruidMasterRuntimeParams.Builder()
         .withDruidCluster(druidCluster)
-        .withDynamicConfigs(new DynamicConfigs.Builder().withMillisToWaitBeforeDeleting(0L).build())
+        .withMasterSegmentSettings(new MasterSegmentSettings.Builder().withMillisToWaitBeforeDeleting(0L).build())
         .withAvailableSegments(availableSegments)
         .withDatabaseRuleManager(databaseRuleManager)
         .withSegmentReplicantLookup(segmentReplicantLookup)
@@ -596,7 +596,7 @@ public class DruidMasterRuleRunnerTest
 
     DruidMasterRuntimeParams params = new DruidMasterRuntimeParams.Builder()
         .withDruidCluster(druidCluster)
-        .withDynamicConfigs(new DynamicConfigs.Builder().withMillisToWaitBeforeDeleting(0L).build())
+        .withMasterSegmentSettings(new MasterSegmentSettings.Builder().withMillisToWaitBeforeDeleting(0L).build())
         .withAvailableSegments(availableSegments)
         .withDatabaseRuleManager(databaseRuleManager)
         .withSegmentReplicantLookup(segmentReplicantLookup)
@@ -677,7 +677,7 @@ public class DruidMasterRuleRunnerTest
 
     DruidMasterRuntimeParams params = new DruidMasterRuntimeParams.Builder()
         .withDruidCluster(druidCluster)
-        .withDynamicConfigs(new DynamicConfigs.Builder().withMillisToWaitBeforeDeleting(0L).build())
+        .withMasterSegmentSettings(new MasterSegmentSettings.Builder().withMillisToWaitBeforeDeleting(0L).build())
         .withAvailableSegments(availableSegments)
         .withDatabaseRuleManager(databaseRuleManager)
         .withSegmentReplicantLookup(segmentReplicantLookup)
@@ -754,7 +754,7 @@ public class DruidMasterRuleRunnerTest
 
     DruidMasterRuntimeParams params = new DruidMasterRuntimeParams.Builder()
         .withDruidCluster(druidCluster)
-        .withDynamicConfigs(new DynamicConfigs.Builder().withMillisToWaitBeforeDeleting(0L).build())
+        .withMasterSegmentSettings(new MasterSegmentSettings.Builder().withMillisToWaitBeforeDeleting(0L).build())
         .withAvailableSegments(availableSegments)
         .withDatabaseRuleManager(databaseRuleManager)
         .withSegmentReplicantLookup(segmentReplicantLookup)
@@ -843,7 +843,7 @@ public class DruidMasterRuleRunnerTest
 
     DruidMasterRuntimeParams params = new DruidMasterRuntimeParams.Builder()
         .withDruidCluster(druidCluster)
-        .withDynamicConfigs(new DynamicConfigs.Builder().withMillisToWaitBeforeDeleting(0L).build())
+        .withMasterSegmentSettings(new MasterSegmentSettings.Builder().withMillisToWaitBeforeDeleting(0L).build())
         .withAvailableSegments(availableSegments)
         .withDatabaseRuleManager(databaseRuleManager)
         .withSegmentReplicantLookup(segmentReplicantLookup)
@@ -1029,7 +1029,7 @@ public class DruidMasterRuleRunnerTest
 
     DruidMasterRuntimeParams params = new DruidMasterRuntimeParams.Builder()
         .withDruidCluster(druidCluster)
-        .withDynamicConfigs(new DynamicConfigs.Builder().withMillisToWaitBeforeDeleting(0L).build())
+        .withMasterSegmentSettings(new MasterSegmentSettings.Builder().withMillisToWaitBeforeDeleting(0L).build())
         .withAvailableSegments(longerAvailableSegments)
         .withDatabaseRuleManager(databaseRuleManager)
         .withSegmentReplicantLookup(segmentReplicantLookup)

server/src/test/java/com/metamx/druid/master/DruidMasterSegmentMergerTest.java

@@ -421,8 +421,15 @@ public class DruidMasterSegmentMergerTest
     final DruidMasterSegmentMerger merger = new DruidMasterSegmentMerger(indexingServiceClient, whitelistRef);
     final DruidMasterRuntimeParams params = DruidMasterRuntimeParams.newBuilder()
                                                                     .withAvailableSegments(ImmutableSet.copyOf(segments))
-                                                                    .withDynamicConfigs(
+                                                                    .withMasterSegmentSettings(
-                                                                        new DynamicConfigs.Builder().withMergeBytesLimit(mergeBytesLimit).withMergeSegmentsLimit(mergeSegmentsLimit).build())
+                                                                        new MasterSegmentSettings.Builder().withMergeBytesLimit(
+                                                                            mergeBytesLimit
+                                                                        )
+                                                                                                           .withMergeSegmentsLimit(
+                                                                                                               mergeSegmentsLimit
+                                                                                                           )
+                                                                                                           .build()
+                                                                    )
                                                                     .build();
     merger.run(params);
     return retVal;