Author: cmccabe
Date: Wed Nov 13 18:18:37 2013
New Revision: 1541647
URL: http://svn.apache.org/r1541647
Log:
HDFS-5366. recaching improvements (cmccabe)
Modified:
hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/nativeio/NativeIO.java
Modified:
hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/nativeio/NativeIO.java
URL:
http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/nativeio/NativeIO.java?rev=1541647&r1=1541646&r2=1541647&view=diff
==============================================================================
---
hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/nativeio/NativeIO.java
(original)
+++
hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/nativeio/NativeIO.java
Wed Nov 13 18:18:37 2013
@@ -114,7 +114,17 @@ public class NativeIO {
public static interface CacheTracker {
public void fadvise(String identifier, long offset, long len, int flags);
}
-
+
+ public static CacheManipulator cacheManipulator = new CacheManipulator();
+
+ @VisibleForTesting
+ public static class CacheManipulator {
+ public void mlock(String identifier, ByteBuffer buffer,
+ long len) throws IOException {
+ POSIX.mlock(buffer, len);
+ }
+ }
+
static {
if (NativeCodeLoader.isNativeCodeLoaded()) {
try {
@@ -249,7 +259,7 @@ public class NativeIO {
*
* @throws NativeIOException
*/
- public static void mlock(ByteBuffer buffer, long len)
+ static void mlock(ByteBuffer buffer, long len)
throws IOException {
assertCodeLoaded();
if (!buffer.isDirect()) {
