commit 37dca4d437e7bdbb2653b74bfc558fc146db6d4f
author fjy <fangjin@metamarkets.com> Tue May 20 12:45:35 2014 -0700
committer fjy <fangjin@metamarkets.com> Tue May 20 12:45:35 2014 -0700
tree 75ed5221c80f2a058df606d0854ae57f2adb72ba
parent e5454b47f1ca5b0941b65be9543508e1db3188ee

make sure the dynamic config has at least 1 thread

server/src/main/java/io/druid/server/coordinator/CoordinatorDynamicConfig.java

diff --git a/server/src/main/java/io/druid/server/coordinator/CoordinatorDynamicConfig.java b/server/src/main/java/io/druid/server/coordinator/CoordinatorDynamicConfig.java
index 20cd594..395646a 100644
--- a/server/src/main/java/io/druid/server/coordinator/CoordinatorDynamicConfig.java
+++ b/server/src/main/java/io/druid/server/coordinator/CoordinatorDynamicConfig.java
@@ -53,7 +53,10 @@
     this.replicantLifetime = replicantLifetime;
     this.replicationThrottleLimit = replicationThrottleLimit;
     this.emitBalancingStats = emitBalancingStats;
-    this.balancerComputeThreads = Math.min(balancerComputeThreads, Runtime.getRuntime().availableProcessors() - 1);
+    this.balancerComputeThreads = Math.min(
+        Math.max(balancerComputeThreads, 1),
+        Runtime.getRuntime().availableProcessors() - 1
+    );
   }
 
   @JsonProperty