From c6d555e1f3be6f3579e1c5bd9dd16d744ce595c5 Mon Sep 17 00:00:00 2001
From: fjy <fangjinyang@gmail.com>
Date: Tue, 4 Nov 2014 10:18:27 -0800
Subject: [PATCH] better default

---
 .../main/java/io/druid/server/initialization/ServerConfig.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/server/src/main/java/io/druid/server/initialization/ServerConfig.java b/server/src/main/java/io/druid/server/initialization/ServerConfig.java
index 6f432c85ec1..a906ed92abf 100644
--- a/server/src/main/java/io/druid/server/initialization/ServerConfig.java
+++ b/server/src/main/java/io/druid/server/initialization/ServerConfig.java
@@ -31,7 +31,7 @@ public class ServerConfig
 {
   @JsonProperty
   @Min(1)
-  private int numThreads = 30;
+  private int numThreads = Math.max(10, (Runtime.getRuntime().availableProcessors() * 17) / 16 + 2) + 30;
 
   @JsonProperty
   @NotNull