[SPARK-5073] spark.storage.memoryMapThreshold have two default value

Lewuathe · Lewuathe · commit fcce2e593754 · 2015-01-05T21:47:28.000+09:00
diff --git a/network/common/src/main/java/org/apache/spark/network/util/TransportConf.java b/network/common/src/main/java/org/apache/spark/network/util/TransportConf.java
@@ -87,7 +87,7 @@ public int numConnectionsPerPeer() {
    * memory mapping has high overhead for blocks close to or below the page size of the OS.
    */
   public int memoryMapBytes() {
-    return conf.getInt("spark.storage.memoryMapThreshold", 2 * 1024 * 1024);
+    return conf.getInt("spark.storage.memoryMapThreshold", 2 * 4096);
   }
 
   /**

Original file line number	Diff line number	Diff line change
`@@ -87,7 +87,7 @@ public int numConnectionsPerPeer() {`
`87`	`87`	`* memory mapping has high overhead for blocks close to or below the page size of the OS.`
`88`	`88`	`*/`
`89`	`89`	`public int memoryMapBytes() {`
`90`		`- return conf.getInt("spark.storage.memoryMapThreshold", 2 * 1024 * 1024);`
	`90`	`+ return conf.getInt("spark.storage.memoryMapThreshold", 2 * 4096);`
`91`	`91`	`}`
`92`	`92`
`93`	`93`	`/**`