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From a..@apache.org
Subject [15/50] [abbrv] git commit: MAPREDUCE-6005. native-task: Fix some valgrind errors (Binglin Chang)
Date Sat, 13 Sep 2014 03:54:21 GMT
MAPREDUCE-6005. native-task: Fix some valgrind errors (Binglin Chang)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/MR-2841@1615489 13f79535-47bb-0310-9956-ffa450edef68


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/83a39673
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/83a39673
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/83a39673

Branch: refs/heads/HDFS-6581
Commit: 83a396733ea43564beee928f41041a341e26db05
Parents: 78d86a9
Author: Binglin Chang <bchang@apache.org>
Authored: Mon Aug 4 06:19:51 2014 +0000
Committer: Binglin Chang <bchang@apache.org>
Committed: Mon Aug 4 06:19:51 2014 +0000

----------------------------------------------------------------------
 .../CHANGES.MAPREDUCE-2841.txt                  |  1 +
 .../src/main/native/src/codec/GzipCodec.cc      | 11 +---
 .../src/main/native/src/lib/Buffers.cc          |  2 +-
 .../src/main/native/src/lib/FileSystem.cc       | 54 +++++++-------------
 .../src/main/native/src/lib/FileSystem.h        |  5 --
 .../src/main/native/src/lib/MemoryBlock.h       |  4 ++
 .../main/native/src/lib/NativeObjectFactory.cc  |  2 +-
 .../main/native/src/lib/NativeObjectFactory.h   | 15 +++++-
 .../native/src/lib/PartitionBucketIterator.cc   |  7 ++-
 .../src/main/native/src/util/StringUtil.cc      | 15 ++----
 .../src/main/native/src/util/StringUtil.h       |  2 +-
 .../src/main/native/src/util/WritableUtils.cc   |  2 +-
 .../src/main/native/test/TestCommand.cc         | 12 ++---
 .../src/main/native/test/TestCounter.cc         | 15 +++++-
 .../src/main/native/test/TestFileSystem.cc      | 31 -----------
 .../src/main/native/test/TestIFile.cc           |  9 ++--
 .../src/main/native/test/TestMain.cc            |  8 ++-
 .../src/main/native/test/lib/TestByteBuffer.cc  |  1 +
 .../lib/TestComparatorForDualPivotQuickSort.cc  |  1 +
 .../native/test/lib/TestComparatorForStdSort.cc |  1 +
 .../native/test/lib/TestFixSizeContainer.cc     |  3 ++
 .../src/main/native/test/lib/TestIterator.cc    | 40 +++++++--------
 .../src/main/native/test/lib/TestKVBuffer.cc    |  1 +
 .../native/test/lib/TestMemBlockIterator.cc     |  8 +++
 .../src/main/native/test/lib/TestMemoryBlock.cc |  3 ++
 .../main/native/test/lib/TestPartitionBucket.cc | 16 +++++-
 .../src/main/native/test/lib/TestReadBuffer.cc  |  4 +-
 .../main/native/test/lib/TestReadWriteBuffer.cc |  4 +-
 .../src/main/native/test/util/TestStringUtil.cc |  5 ++
 29 files changed, 146 insertions(+), 136 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/83a39673/hadoop-mapreduce-project/CHANGES.MAPREDUCE-2841.txt
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/CHANGES.MAPREDUCE-2841.txt b/hadoop-mapreduce-project/CHANGES.MAPREDUCE-2841.txt
index 42e0af3..c70df12 100644
--- a/hadoop-mapreduce-project/CHANGES.MAPREDUCE-2841.txt
+++ b/hadoop-mapreduce-project/CHANGES.MAPREDUCE-2841.txt
@@ -8,3 +8,4 @@ MAPREDUCE-5997. native-task: Use DirectBufferPool from Hadoop Common (todd)
 MAPREDUCE-6000. native-task: Simplify ByteBufferDataReader/Writer (todd)
 MAPREDUCE-5991. native-task should not run unit tests if native profile is not enabled. (Binglin Chang)
 MAPREDUCE-5995. native-task: Revert changes to Text internals (todd)
+MAPREDUCE-6005. native-task: Fix some valgrind errors (Binglin Chang)

http://git-wip-us.apache.org/repos/asf/hadoop/blob/83a39673/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/codec/GzipCodec.cc
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/codec/GzipCodec.cc b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/codec/GzipCodec.cc
index 79eac8b..bb699e9 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/codec/GzipCodec.cc
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/codec/GzipCodec.cc
@@ -28,7 +28,6 @@ GzipCompressStream::GzipCompressStream(OutputStream * stream, uint32_t bufferSiz
     : CompressStream(stream), _compressedBytesWritten(0), _zstream(NULL), _finished(false) {
   _buffer = new char[bufferSizeHint];
   _capacity = bufferSizeHint;
-  std::cout << "gzip capacity " << _capacity << std::endl;
   _zstream = malloc(sizeof(z_stream));
   z_stream * zstream = (z_stream*)_zstream;
   memset(zstream, 0, sizeof(z_stream));
@@ -44,6 +43,7 @@ GzipCompressStream::GzipCompressStream(OutputStream * stream, uint32_t bufferSiz
 
 GzipCompressStream::~GzipCompressStream() {
   if (_zstream != NULL) {
+    deflateEnd((z_stream*)_zstream);
     free(_zstream);
     _zstream = NULL;
   }
@@ -52,17 +52,13 @@ GzipCompressStream::~GzipCompressStream() {
 }
 
 void GzipCompressStream::write(const void * buff, uint32_t length) {
-  std::cout << "gzip " << length << std::endl;
   z_stream * zstream = (z_stream*)_zstream;
   zstream->next_in = (Bytef*)buff;
   zstream->avail_in = length;
   while (true) {
     int ret = deflate(zstream, Z_NO_FLUSH);
-    std::cout << "gzip ret status " << ret << std::endl;
     if (ret == Z_OK) {
-      std::cout << "gzip avail_out " << zstream->avail_out << std::endl;
       if (zstream->avail_out == 0) {
-        std::cout << "gzip write capacity " << _capacity << std::endl;
         _stream->write(_buffer, _capacity);
         _compressedBytesWritten += _capacity;
         zstream->next_out = (Bytef *)_buffer;
@@ -79,7 +75,6 @@ void GzipCompressStream::write(const void * buff, uint32_t length) {
 }
 
 void GzipCompressStream::flush() {
-  std::cout << "gzip flush called";
   z_stream * zstream = (z_stream*)_zstream;
   while (true) {
     int ret = deflate(zstream, Z_FINISH);
@@ -111,7 +106,6 @@ void GzipCompressStream::resetState() {
 }
 
 void GzipCompressStream::close() {
-  std::cout << "gzip close called";
   if (!_finished) {
     flush();
   }
@@ -146,6 +140,7 @@ GzipDecompressStream::GzipDecompressStream(InputStream * stream, uint32_t buffer
 
 GzipDecompressStream::~GzipDecompressStream() {
   if (_zstream != NULL) {
+    inflateEnd((z_stream*)_zstream);
     free(_zstream);
     _zstream = NULL;
   }
@@ -173,11 +168,9 @@ int32_t GzipDecompressStream::read(void * buff, uint32_t length) {
     int ret = inflate(zstream, Z_NO_FLUSH);
     if (ret == Z_OK || ret == Z_STREAM_END) {
       if (zstream->avail_out == 0) {
-//        printf("return %d\n", length);
         return length;
       }
     } else {
-//      printf("Error: %d\n", ret);
       return -1;
     }
   }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/83a39673/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/Buffers.cc
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/Buffers.cc b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/Buffers.cc
index 243b34e..d07f2fb 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/Buffers.cc
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/Buffers.cc
@@ -157,7 +157,7 @@ char * ReadBuffer::fillGet(uint32_t count) {
     _capacity = newcap;
   } else {
     if (_remain > 0) {
-      memcpy(_buff, current(), _remain);
+      memmove(_buff, current(), _remain);
     }
   }
   _size = _remain;

http://git-wip-us.apache.org/repos/asf/hadoop/blob/83a39673/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/FileSystem.cc
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/FileSystem.cc b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/FileSystem.cc
index 7888aa1..e137883 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/FileSystem.cc
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/FileSystem.cc
@@ -17,9 +17,9 @@
  */
 
 #include <errno.h>
+#include <fcntl.h>
 #include <dirent.h>
 #include <sys/stat.h>
-#include <jni.h>
 #include "commons.h"
 #include "util/StringUtil.h"
 #include "jniutils.h"
@@ -34,13 +34,12 @@ namespace NativeTask {
 /////////////////////////////////////////////////////////////
 
 FileInputStream::FileInputStream(const string & path) {
-  _handle = fopen(path.c_str(), "rb");
-  if (_handle != NULL) {
-    _fd = fileno(_handle);
+  _fd = ::open(path.c_str(), O_RDONLY);
+  if (_fd >= 0) {
     _path = path;
   } else {
     _fd = -1;
-    THROW_EXCEPTION_EX(IOException, "Can't open raw file: [%s]", path.c_str());
+    THROW_EXCEPTION_EX(IOException, "Can't open file for read: [%s]", path.c_str());
   }
   _bytesRead = NativeObjectFactory::GetCounter(TaskCounters::FILESYSTEM_COUNTER_GROUP,
       TaskCounters::FILE_BYTES_READ);
@@ -67,9 +66,8 @@ int32_t FileInputStream::read(void * buff, uint32_t length) {
 }
 
 void FileInputStream::close() {
-  if (_handle != NULL) {
-    fclose(_handle);
-    _handle = NULL;
+  if (_fd >= 0) {
+    ::close(_fd);
     _fd = -1;
   }
 }
@@ -77,13 +75,20 @@ void FileInputStream::close() {
 /////////////////////////////////////////////////////////////
 
 FileOutputStream::FileOutputStream(const string & path, bool overwite) {
-  _handle = fopen(path.c_str(), "wb");
-  if (_handle != NULL) {
-    _fd = fileno(_handle);
+  int flags = 0;
+  if (overwite) {
+    flags = O_WRONLY | O_CREAT | O_TRUNC;
+  } else {
+    flags = O_WRONLY | O_CREAT | O_EXCL;
+  }
+  mode_t mask = umask(0);
+  umask(mask);
+  _fd = ::open(path.c_str(), flags, (0666 & ~mask));
+  if (_fd >= 0) {
     _path = path;
   } else {
     _fd = -1;
-    THROW_EXCEPTION_EX(IOException, "Open raw file failed: [%s]", path.c_str());
+    THROW_EXCEPTION_EX(IOException, "Can't open file for write: [%s]", path.c_str());
   }
   _bytesWrite = NativeObjectFactory::GetCounter(TaskCounters::FILESYSTEM_COUNTER_GROUP,
       TaskCounters::FILE_BYTES_WRITTEN);
@@ -108,9 +113,8 @@ void FileOutputStream::flush() {
 }
 
 void FileOutputStream::close() {
-  if (_handle != NULL) {
-    fclose(_handle);
-    _handle = NULL;
+  if (_fd >= 0) {
+    ::close(_fd);
     _fd = -1;
   }
 }
@@ -251,28 +255,8 @@ extern RawFileSystem RawFileSystemInstance;
 
 RawFileSystem RawFileSystemInstance = RawFileSystem();
 
-string FileSystem::getDefaultFsUri(Config * config) {
-  const char * nm = config->get(FS_DEFAULT_NAME);
-  if (nm == NULL) {
-    nm = config->get("fs.defaultFS");
-  }
-  if (nm == NULL) {
-    return string("file:///");
-  } else {
-    return string(nm);
-  }
-}
-
 FileSystem & FileSystem::getLocal() {
   return RawFileSystemInstance;
 }
 
-
-FileSystem & FileSystem::get(Config * config) {
-  string uri = getDefaultFsUri(config);
-  if (uri == "file:///") {
-    return RawFileSystemInstance;
-  }
-}
-
 } // namespace Hadoap

http://git-wip-us.apache.org/repos/asf/hadoop/blob/83a39673/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/FileSystem.h
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/FileSystem.h b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/FileSystem.h
index 4b501fa..7649947 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/FileSystem.h
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/FileSystem.h
@@ -34,7 +34,6 @@ class FileSystem;
 class FileInputStream : public InputStream {
 private:
   string _path;
-  FILE * _handle;
   int _fd;
   Counter * _bytesRead;
 public:
@@ -57,7 +56,6 @@ public:
 class FileOutputStream : public OutputStream {
 private:
   string _path;
-  FILE * _handle;
   int _fd;
   Counter * _bytesWrite;
 public:
@@ -117,10 +115,7 @@ public:
   virtual void mkdirs(const string & path) {
   }
 
-  static string getDefaultFsUri(Config * config);
   static FileSystem & getLocal();
-  static FileSystem & getJava(Config * config);
-  static FileSystem & get(Config * config);
 };
 
 } // namespace NativeTask

http://git-wip-us.apache.org/repos/asf/hadoop/blob/83a39673/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/MemoryBlock.h
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/MemoryBlock.h b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/MemoryBlock.h
index e97d98a..f85c3b6 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/MemoryBlock.h
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/MemoryBlock.h
@@ -69,6 +69,10 @@ private:
 public:
   MemoryBlock(char * pos, uint32_t size);
 
+  char * base() {
+    return _base;
+  }
+
   bool sorted() {
     return _sorted;
   }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/83a39673/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/NativeObjectFactory.cc
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/NativeObjectFactory.cc b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/NativeObjectFactory.cc
index bcd00f4..ce3799d 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/NativeObjectFactory.cc
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/NativeObjectFactory.cc
@@ -78,7 +78,7 @@ Config * NativeObjectFactory::GlobalConfig = &G_CONFIG;
 float NativeObjectFactory::LastProgress = 0;
 Progress * NativeObjectFactory::TaskProgress = NULL;
 string NativeObjectFactory::LastStatus;
-set<Counter *> NativeObjectFactory::CounterSet;
+set<Counter *, CounterPtrCompare> NativeObjectFactory::CounterSet;
 vector<Counter *> NativeObjectFactory::Counters;
 vector<uint64_t> NativeObjectFactory::CounterLastUpdateValues;
 bool NativeObjectFactory::Inited = false;

http://git-wip-us.apache.org/repos/asf/hadoop/blob/83a39673/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/NativeObjectFactory.h
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/NativeObjectFactory.h b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/NativeObjectFactory.h
index afbae2c..9a9d41a 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/NativeObjectFactory.h
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/NativeObjectFactory.h
@@ -36,6 +36,19 @@ using std::pair;
 
 class NativeLibrary;
 
+class CounterPtrCompare {
+public:
+  bool operator()(const Counter * lhs, const Counter * rhs) const {
+    if (lhs->group() < rhs->group()) {
+      return true;
+    } else if (lhs->group() == rhs->group()) {
+      return lhs->name() < rhs->name();
+    } else {
+      return false;
+    }
+  }
+};
+
 /**
  * Native object factory
  */
@@ -47,7 +60,7 @@ private:
   static float LastProgress;
   static Progress * TaskProgress;
   static string LastStatus;
-  static set<Counter *> CounterSet;
+  static set<Counter *, CounterPtrCompare> CounterSet;
   static vector<Counter *> Counters;
   static vector<uint64_t> CounterLastUpdateValues;
   static bool Inited;

http://git-wip-us.apache.org/repos/asf/hadoop/blob/83a39673/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/PartitionBucketIterator.cc
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/PartitionBucketIterator.cc b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/PartitionBucketIterator.cc
index 4a2ca5d..0b26f21 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/PartitionBucketIterator.cc
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/lib/PartitionBucketIterator.cc
@@ -43,9 +43,11 @@ PartitionBucketIterator::PartitionBucketIterator(PartitionBucket * pb, Comparato
     MemBlockIteratorPtr blockIterator = new MemBlockIterator(block);
     if (blockIterator->next()) {
       _heap.push_back(blockIterator);
+    } else {
+      delete blockIterator;
     }
   }
-  if (_heap.size() > 0) {
+  if (_heap.size() > 1) {
     makeHeap(&(_heap[0]), &(_heap[0]) + _heap.size(), _comparator);
   }
 }
@@ -78,6 +80,9 @@ bool PartitionBucketIterator::next() {
           heapify(base, 1, cur_heap_size, _comparator);
         }
       } else { // no more, pop heap
+        // after popHeap, the first element of heap will be removed
+        // and replaced by other element, so it needs to be deleted
+        delete _heap[0];
         MemBlockIteratorPtr * base = &(_heap[0]);
         popHeap(base, base + cur_heap_size, _comparator);
         _heap.pop_back();

http://git-wip-us.apache.org/repos/asf/hadoop/blob/83a39673/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/util/StringUtil.cc
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/util/StringUtil.cc b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/util/StringUtil.cc
index d70dcc8..4e5b94a 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/util/StringUtil.cc
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/util/StringUtil.cc
@@ -61,22 +61,17 @@ string StringUtil::ToString(bool v) {
 }
 
 string StringUtil::ToString(float v) {
-  char tmp[32];
-  snprintf(tmp, 32, "%f", v);
-  return tmp;
+  return Format("%f", v);
 }
 
 string StringUtil::ToString(double v) {
-  char tmp[32];
-  snprintf(tmp, 32, "%lf", v);
-  return tmp;
+  return Format("%lf", v);
 }
 
-string StringUtil::ToString(const void * v, uint32_t len) {
+string StringUtil::ToHexString(const void * v, uint32_t len) {
   string ret = string(len * 2, '0');
   for (uint32_t i = 0; i < len; i++) {
-    ret[i] = (((uint8_t*)v)[i] >> 4) + '0';
-    ret[i] = (((uint8_t*)v)[i] & 0xff) + '0';
+    snprintf(&(ret[i*2]), 3, "%02x", ((char*)v)[i]);
   }
   return ret;
 }
@@ -110,7 +105,7 @@ string StringUtil::Format(const char * fmt, ...) {
     len = vsnprintf(destbuff, len + 1, fmt, al);
     va_end(al);
     dest.append(destbuff, len);
-    delete destbuff;
+    delete [] destbuff;
   } else {
     dest.append(tmp, len);
   }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/83a39673/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/util/StringUtil.h
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/util/StringUtil.h b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/util/StringUtil.h
index 384c678..05904d4 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/util/StringUtil.h
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/util/StringUtil.h
@@ -38,7 +38,7 @@ public:
   static string ToString(bool v);
   static string ToString(float v);
   static string ToString(double v);
-  static string ToString(const void * v, uint32_t len);
+  static string ToHexString(const void * v, uint32_t len);
 
   static int64_t toInt(const string & str);
   static bool toBool(const string & str);

http://git-wip-us.apache.org/repos/asf/hadoop/blob/83a39673/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/util/WritableUtils.cc
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/util/WritableUtils.cc b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/util/WritableUtils.cc
index 3e8043a..a16c654 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/util/WritableUtils.cc
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/src/util/WritableUtils.cc
@@ -297,7 +297,7 @@ void WritableUtils::toString(string & dest, KeyValueType type, const void * data
     dest.append(StringUtil::ToString(*(double*)data));
     break;
   case MD5HashType:
-    dest.append(StringUtil::ToString(data, length));
+    dest.append(StringUtil::ToHexString(data, length));
     break;
   default:
     dest.append((const char*)data, length);

http://git-wip-us.apache.org/repos/asf/hadoop/blob/83a39673/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/TestCommand.cc
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/TestCommand.cc b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/TestCommand.cc
index 04e80fd..bcc3b3c 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/TestCommand.cc
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/TestCommand.cc
@@ -25,14 +25,14 @@
 using namespace NativeTask;
 
 TEST(Command, equals) {
-  Command * cmd1 = new Command(100, "hello command");
-  Command * cmd2 = new Command(100, "hello command 2");
+  Command cmd1(100, "hello command");
+  Command cmd2(100, "hello command 2");
 
-  ASSERT_TRUE(cmd1->equals(*cmd2));
-  ASSERT_TRUE(cmd2->equals(*cmd1));
-  ASSERT_EQ(100, cmd1->id());
+  ASSERT_TRUE(cmd1.equals(cmd2));
+  ASSERT_TRUE(cmd2.equals(cmd1));
+  ASSERT_EQ(100, cmd1.id());
 
   std::string helloCommand = "hello command";
-  ASSERT_EQ(0, helloCommand.compare(cmd1->description()));
+  ASSERT_EQ(helloCommand, cmd1.description());
 }
 

http://git-wip-us.apache.org/repos/asf/hadoop/blob/83a39673/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/TestCounter.cc
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/TestCounter.cc b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/TestCounter.cc
index e8760ea..d4550bc 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/TestCounter.cc
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/TestCounter.cc
@@ -17,11 +17,12 @@
  */
 
 #include "commons.h"
+#include "NativeObjectFactory.h"
 #include "BufferStream.h"
 #include "Buffers.h"
 #include "test_commons.h"
 
-TEST(Counter, test) {
+TEST(Counter, Counter) {
   Counter counter1("group", "key");
   const string & group = counter1.group();
   const string & name = counter1.name();
@@ -33,3 +34,15 @@ TEST(Counter, test) {
   counter1.increase(100);
   ASSERT_EQ(100, counter1.get());
 }
+
+TEST(Counter, CounterSet) {
+  Counter * counter1 = NativeObjectFactory::GetCounter("group0", "name0");
+  ASSERT_EQ(string("group0"), counter1->group());
+  ASSERT_EQ(string("name0"), counter1->name());
+  counter1->increase(100);
+  ASSERT_EQ(100, counter1->get());
+  Counter * counter2 = NativeObjectFactory::GetCounter("group0", "name0");
+  Counter * counter3 = NativeObjectFactory::GetCounter("group0", "name1");
+  ASSERT_EQ(counter1, counter2);
+  ASSERT_NE(counter1, counter3);
+}

http://git-wip-us.apache.org/repos/asf/hadoop/blob/83a39673/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/TestFileSystem.cc
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/TestFileSystem.cc b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/TestFileSystem.cc
index c29c486..8b5a76c 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/TestFileSystem.cc
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/TestFileSystem.cc
@@ -48,34 +48,3 @@ TEST(FileSystem, RawFileSystem) {
   ASSERT_FALSE(fs.exists(temppath));
 }
 
-// This test needs java CLASSPATH env to run
-// Enable it manually only if some changes are made to FileSystem.h/cc
-//TEST(FileSystem, JavaFileSystem) {
-//  FileSystem & fs = FileSystem::getJava(TestConfig);
-//  fs.mkdirs("temp");
-//  string temppath = "temp/data";
-//  string content;
-//  GenerateKVTextLength(content, 4111111, "word");
-//  FileOutputStream * output = (FileOutputStream*)fs.create(temppath, true);
-//  output->write(content.data(), content.length());
-//  output->close();
-//  delete output;
-//  FileInputStream * input = (FileInputStream*)fs.open(temppath);
-//  char buff[102400];
-//  int64_t total = 0;
-//  while(true) {
-//    int rd = input->read(buff, 102400);
-//    if (rd<=0) {
-//      break;
-//    }
-//    ASSERT_EQ(content.substr(total, rd), string(buff,rd));
-//    total+=rd;
-//  }
-//  ASSERT_EQ(content.length(), total);
-//  delete input;
-//  ASSERT_EQ(fs.getLength(temppath), content.length());
-//  ASSERT_TRUE(fs.exists(temppath));
-//  fs.remove("temp");
-//  ASSERT_FALSE(fs.exists(temppath));
-//}
-

http://git-wip-us.apache.org/repos/asf/hadoop/blob/83a39673/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/TestIFile.cc
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/TestIFile.cc b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/TestIFile.cc
index 02afbc0..07a1d63 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/TestIFile.cc
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/TestIFile.cc
@@ -67,6 +67,7 @@ void TestIFileReadWrite(KeyValueType kvtype, int partition, int size,
   vector<pair<string, string> > readkvs;
   readIFile(readkvs, outputpath, kvtype, info, codec);
   LOG("read finished");
+  delete info;
   ASSERT_EQ(kvs.size() * partition, readkvs.size());
   for (int i = 0; i < partition; i++) {
     vector<pair<string, string> > cur_part(readkvs.begin() + i * kvs.size(),
@@ -169,13 +170,13 @@ TEST(IFile, TestGlibCBug) {
   int32_t expect[5] = {-1538241715, -1288088794, -192294464, 563552421, 1661521654};
 
   LOG("TestGlibCBug %s", path.c_str());
-  IFileSegment * segments = new IFileSegment [1];
+  IFileSegment * segments = new IFileSegment[1];
   segments[0].realEndOffset = 10000000;
-  SingleSpillInfo * info = new SingleSpillInfo(segments, 1, path, CHECKSUM_NONE,
+  SingleSpillInfo info(segments, 1, path, CHECKSUM_NONE,
       IntType, TextType, "");
 
   InputStream * fileOut = FileSystem::getLocal().open(path);
-  IFileReader * reader = new IFileReader(fileOut, info, true);
+  IFileReader * reader = new IFileReader(fileOut, &info, true);
 
   const char * key = NULL;
   uint32_t length = 0;
@@ -187,4 +188,6 @@ TEST(IFile, TestGlibCBug) {
     ASSERT_EQ(expect[index], realKey);
     index++;
   }
+  delete reader;
+
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/83a39673/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/TestMain.cc
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/TestMain.cc b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/TestMain.cc
index a9d5a06..c62232a 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/TestMain.cc
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/TestMain.cc
@@ -26,6 +26,7 @@
 #include "commons.h"
 #include "Buffers.h"
 #include "FileSystem.h"
+#include "NativeObjectFactory.h"
 #include "test_commons.h"
 
 extern "C" {
@@ -75,6 +76,7 @@ int main(int argc, char ** argv) {
     int skip = gen ? 2 : 1;
     TestConfig.parse(argc - skip, (const char **)(newArgv + skip));
   }
+  delete [] newArgv;
   try {
     if (gen == true) {
       string type = TestConfig.get("generate.type", "word");
@@ -92,12 +94,16 @@ int main(int argc, char ** argv) {
         fout->close();
         delete fout;
       }
+      NativeObjectFactory::Release();
       return 0;
     } else {
-      return RUN_ALL_TESTS();
+      int ret = RUN_ALL_TESTS();
+      NativeObjectFactory::Release();
+      return ret;
     }
   } catch (std::exception & e) {
     fprintf(stderr, "Exception: %s", e.what());
+    NativeObjectFactory::Release();
     return 1;
   }
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/83a39673/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestByteBuffer.cc
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestByteBuffer.cc b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestByteBuffer.cc
index 9e874c7..228cace 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestByteBuffer.cc
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestByteBuffer.cc
@@ -42,5 +42,6 @@ TEST(ByteBuffer, read) {
   ASSERT_EQ(20, byteBuffer.limit());
 
   ASSERT_EQ(10, byteBuffer.position());
+  delete [] buff;
 }
 } /* namespace NativeTask */

http://git-wip-us.apache.org/repos/asf/hadoop/blob/83a39673/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestComparatorForDualPivotQuickSort.cc
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestComparatorForDualPivotQuickSort.cc b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestComparatorForDualPivotQuickSort.cc
index cb195dd..9572d87 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestComparatorForDualPivotQuickSort.cc
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestComparatorForDualPivotQuickSort.cc
@@ -83,6 +83,7 @@ TEST(ComparatorForDualPivotQuickSort, compare) {
   compareResult = -1;
 
   ASSERT_EQ(-1, comparator((char * )kv1 - buff, (char * )kv2 - buff));
+  delete [] buff;
 }
 
 } /* namespace NativeTask */

http://git-wip-us.apache.org/repos/asf/hadoop/blob/83a39673/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestComparatorForStdSort.cc
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestComparatorForStdSort.cc b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestComparatorForStdSort.cc
index 80d1186..6dd97ba 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestComparatorForStdSort.cc
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestComparatorForStdSort.cc
@@ -83,6 +83,7 @@ TEST(ComparatorForStdSort, compare) {
   compareResult = -1;
 
   ASSERT_EQ(true, comparator((char * )kv1 - buff, (char * )kv2 - buff));
+  delete [] buff;
 }
 
 } /* namespace NativeTask */

http://git-wip-us.apache.org/repos/asf/hadoop/blob/83a39673/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestFixSizeContainer.cc
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestFixSizeContainer.cc b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestFixSizeContainer.cc
index e25212e..cd8fb27 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestFixSizeContainer.cc
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestFixSizeContainer.cc
@@ -47,6 +47,9 @@ TEST(FixSizeContainer, test) {
     char * c = container->base() + i;
     ASSERT_EQ(toBeFilled[i], *c);
   }
+
+  delete [] bytes;
+  delete container;
 }
 
 } /* namespace NativeTask */

http://git-wip-us.apache.org/repos/asf/hadoop/blob/83a39673/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestIterator.cc
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestIterator.cc b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestIterator.cc
index 39bd0a6..6e79796 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestIterator.cc
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestIterator.cc
@@ -24,28 +24,26 @@
 namespace NativeTask {
 
 class MockIterator : public KVIterator {
-  std::vector<std::pair<int, int> > * kvs;
+  std::vector<std::pair<int, int> > kvs;
   uint32_t index;
   uint32_t expectedKeyGroupNum;
   std::map<int, int> expectkeyCountMap;
-  char * buffer;
+  char buffer[8];
 
 public:
   MockIterator()
-      : index(0), buffer(NULL) {
-    buffer = new char[8];
-    kvs = new std::vector<std::pair<int, int> >();
-    kvs->push_back(std::pair<int, int>(10, 100));
-
-    kvs->push_back(std::pair<int, int>(10, 100));
-    kvs->push_back(std::pair<int, int>(10, 101));
-    kvs->push_back(std::pair<int, int>(10, 102));
-
-    kvs->push_back(std::pair<int, int>(20, 200));
-    kvs->push_back(std::pair<int, int>(20, 201));
-    kvs->push_back(std::pair<int, int>(20, 202));
-    kvs->push_back(std::pair<int, int>(30, 302));
-    kvs->push_back(std::pair<int, int>(40, 302));
+      : index(0) {
+    kvs.push_back(std::pair<int, int>(10, 100));
+
+    kvs.push_back(std::pair<int, int>(10, 100));
+    kvs.push_back(std::pair<int, int>(10, 101));
+    kvs.push_back(std::pair<int, int>(10, 102));
+
+    kvs.push_back(std::pair<int, int>(20, 200));
+    kvs.push_back(std::pair<int, int>(20, 201));
+    kvs.push_back(std::pair<int, int>(20, 202));
+    kvs.push_back(std::pair<int, int>(30, 302));
+    kvs.push_back(std::pair<int, int>(40, 302));
     this->expectedKeyGroupNum = 4;
 
     expectkeyCountMap[10] = 4;
@@ -55,8 +53,8 @@ public:
   }
 
   bool next(Buffer & key, Buffer & outValue) {
-    if (index < kvs->size()) {
-      std::pair<int, int> value = kvs->at(index);
+    if (index < kvs.size()) {
+      std::pair<int, int> value = kvs.at(index);
       *((int *)buffer) = value.first;
       *(((int *)buffer) + 1) = value.second;
       key.reset(buffer, 4);
@@ -88,11 +86,9 @@ void TestKeyGroupIterator() {
     uint32_t length = 0;
     key = groupIterator->getKey(length);
     int * keyPtr = (int *)key;
-    std::cout << "new key group(key group hold kvs of same key): " << *keyPtr << std::endl;
     const char * value = NULL;
     while (NULL != (value = groupIterator->nextValue(length))) {
       int * valuePtr = (int *)value;
-      std::cout << "==== key: " << *keyPtr << "value: " << *valuePtr << std::endl;
 
       if (actualKeyCount.find(*keyPtr) == actualKeyCount.end()) {
         actualKeyCount[*keyPtr] = 0;
@@ -108,8 +104,8 @@ void TestKeyGroupIterator() {
     uint32_t expectedCount = expectedKeyCountMap[key];
     ASSERT_EQ(expectedCount, keyCountIter->second);
   }
-
-  std::cout << "Done!!!!!!! " << std::endl;
+  delete groupIterator;
+  delete iter;
 }
 
 TEST(Iterator, keyGroupIterator) {

http://git-wip-us.apache.org/repos/asf/hadoop/blob/83a39673/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestKVBuffer.cc
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestKVBuffer.cc b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestKVBuffer.cc
index c3c5113..32b5891 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestKVBuffer.cc
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestKVBuffer.cc
@@ -48,6 +48,7 @@ TEST(KVBuffer, test) {
 
   ASSERT_EQ(8, kv1->headerLength());
   ASSERT_EQ(strlen(KEY) + strlen(VALUE) + 8, kv1->lengthConvertEndium());
+  delete [] buff;
 }
 
 } /* namespace NativeTask */

http://git-wip-us.apache.org/repos/asf/hadoop/blob/83a39673/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestMemBlockIterator.cc
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestMemBlockIterator.cc b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestMemBlockIterator.cc
index 458055e..87fba15 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestMemBlockIterator.cc
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestMemBlockIterator.cc
@@ -43,6 +43,7 @@ TEST(MemoryBlockIterator, test) {
     ASSERT_EQ(block.getKVBuffer(keyCount), kv);
     keyCount++;
   }
+  delete [] bytes;
 }
 
 class MemoryBlockFactory {
@@ -102,6 +103,13 @@ TEST(MemoryBlockIterator, compare) {
 
   iter2->next();
   ASSERT_EQ(false, comparator(iter1, iter2));
+
+  delete iter2;
+  delete iter1;
+  delete [] block2->base();
+  delete [] block1->base();
+  delete block2;
+  delete block1;
 }
 }
 

http://git-wip-us.apache.org/repos/asf/hadoop/blob/83a39673/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestMemoryBlock.cc
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestMemoryBlock.cc b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestMemoryBlock.cc
index 665e8be..dc60ac3 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestMemoryBlock.cc
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestMemoryBlock.cc
@@ -47,6 +47,7 @@ TEST(MemoryBlock, test) {
 
   ASSERT_EQ(BUFFER_LENGTH - 2 * KV_SIZE, block.remainSpace());
   ASSERT_EQ(false, block.sorted());
+  delete [] bytes;
 }
 
 TEST(MemoryBlock, overflow) {
@@ -64,6 +65,7 @@ TEST(MemoryBlock, overflow) {
   ASSERT_EQ(1, block.getKVCount());
 
   ASSERT_EQ(BUFFER_LENGTH - KV_SIZE, block.remainSpace());
+  delete [] bytes;
 }
 
 TEST(MemoryBlock, sort) {
@@ -101,6 +103,7 @@ TEST(MemoryBlock, sort) {
   ASSERT_EQ(small, block.getKVBuffer(0));
   ASSERT_EQ(medium, block.getKVBuffer(1));
   ASSERT_EQ(big, block.getKVBuffer(2));
+  delete [] bytes;
 }
 
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/83a39673/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestPartitionBucket.cc
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestPartitionBucket.cc b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestPartitionBucket.cc
index f60c210..a975243 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestPartitionBucket.cc
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestPartitionBucket.cc
@@ -83,17 +83,28 @@ TEST(PartitionBucket, multipleMemoryBlock) {
 
   const uint32_t KV_SIZE = 700;
   const uint32_t SMALL_KV_SIZE = 100;
+  // To suppress valgrind error
+  // the allocated buffer needs to be initialized before
+  // create iterator on the PartitionBucker, because
+  // those memory will be compared when create minheap
   KVBuffer * kv1 = bucket->allocateKVBuffer(KV_SIZE);
+  memset(kv1, 0, KV_SIZE);
   KVBuffer * kv2 = bucket->allocateKVBuffer(SMALL_KV_SIZE);
+  memset(kv2, 0, SMALL_KV_SIZE);
   KVBuffer * kv3 = bucket->allocateKVBuffer(KV_SIZE);
+  memset(kv3, 0, KV_SIZE);
 
   ASSERT_EQ(3, bucket->getKVCount());
   KVIterator * NULLPOINTER = 0;
-  ASSERT_NE(NULLPOINTER, bucket->getIterator());
+  KVIterator * iter = bucket->getIterator();
+  ASSERT_NE(NULLPOINTER, iter);
+  delete iter;
   ASSERT_EQ(2, bucket->getMemoryBlockCount());
 
   bucket->reset();
-  ASSERT_EQ(NULLPOINTER, bucket->getIterator());
+  iter = bucket->getIterator();
+  ASSERT_EQ(NULLPOINTER, iter);
+  delete iter;
   ASSERT_EQ(0, bucket->getMemoryBlockCount());
 
   delete bucket;
@@ -206,6 +217,7 @@ TEST(PartitionBucket, spill) {
   ASSERT_EQ(KV_SIZE - KVBuffer::headerLength() - 4, third->valueLength);
   ASSERT_EQ(bswap(BIG), (*(uint32_t * )(third->getKey())));
 
+  delete [] buff;
   delete bucket;
   delete pool;
 }

http://git-wip-us.apache.org/repos/asf/hadoop/blob/83a39673/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestReadBuffer.cc
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestReadBuffer.cc b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestReadBuffer.cc
index e5e39af..648fe80 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestReadBuffer.cc
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestReadBuffer.cc
@@ -24,7 +24,7 @@
 TEST(Buffers, AppendRead) {
   string codec = "";
   vector<string> data;
-  Generate(data, 1000000, "word");
+  Generate(data, 100000, "word");
   string dest;
   dest.reserve(64 * 1024 * 1024);
   OutputStringStream outputStream = OutputStringStream(dest);
@@ -46,7 +46,7 @@ TEST(Buffers, AppendRead) {
 TEST(Buffers, AppendReadSnappy) {
   string codec = "org.apache.hadoop.io.compress.SnappyCodec";
   vector<string> data;
-  Generate(data, 1000000, "word");
+  Generate(data, 100000, "word");
   string dest;
   dest.reserve(64 * 1024 * 1024);
   OutputStringStream outputStream = OutputStringStream(dest);

http://git-wip-us.apache.org/repos/asf/hadoop/blob/83a39673/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestReadWriteBuffer.cc
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestReadWriteBuffer.cc b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestReadWriteBuffer.cc
index 5ac4ec7..efbb8ea 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestReadWriteBuffer.cc
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/lib/TestReadWriteBuffer.cc
@@ -42,21 +42,19 @@ TEST(ReadWriteBuffer, readAndWrite) {
   }
 
   uint32_t writePoint = buff.getWritePoint();
-  LOG("Current Write Point: %d", writePoint);
 
   for (int i = 0; i < REPEAT; i++) {
     ASSERT_EQ(INT, buff.readInt());
     ASSERT_EQ(LONG, buff.readLong());
     string * read = buff.readString();
-    LOG("READ STRING: %s", read->c_str());
     ASSERT_EQ(0, STR.compare(read->c_str()));
     delete read;
 
     ASSERT_EQ(POINTER, buff.readPointer());
 
     read = buff.readString();
-    LOG("READ STRING: %s", read->c_str());
     ASSERT_EQ(0, STR.compare(read->c_str()));
+    delete read;
   }
 
   uint32_t readPoint = buff.getReadPoint();

http://git-wip-us.apache.org/repos/asf/hadoop/blob/83a39673/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/util/TestStringUtil.cc
----------------------------------------------------------------------
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/util/TestStringUtil.cc b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/util/TestStringUtil.cc
index d6dc93f..5cc79a9 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/util/TestStringUtil.cc
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-nativetask/src/main/native/test/util/TestStringUtil.cc
@@ -27,6 +27,11 @@ TEST(StringUtil, Convertion) {
   ASSERT_EQ(StringUtil::ToString(111, ' ', 40), "                                     111");
 }
 
+TEST(StringUtil, ToHexString) {
+  uint8_t buff[4] = {'i', 'j', 'k', 'l'};
+  ASSERT_EQ(StringUtil::ToHexString(buff, 4), string("696a6b6c"));
+}
+
 TEST(StringUtil, Format) {
   string t = StringUtil::Format("%d %d %d %.3lf %s", 1, 2, 3, 1.333, "aaaaaaaaaaa");
   ASSERT_EQ(t, "1 2 3 1.333 aaaaaaaaaaa");


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