[CP] Support specify customed allocator for zstd_compressor

deps/oblib/src/lib/compress/ob_compressor.h

@@ -20,6 +20,7 @@ namespace oceanbase
 {
 namespace common
 {
+class ObIAllocator;
 class ObCompressor
 {
 public:
@@ -28,6 +29,28 @@ public:
   ObCompressor() {}
   virtual ~ObCompressor() {}
 
+  virtual int compress(const char *src_buffer,
+                       const int64_t src_data_size,
+                       char *dst_buffer,
+                       const int64_t dst_buffer_size,
+                       int64_t &dst_data_size,
+                       ObIAllocator *allocator)
+  {
+    UNUSED(allocator);
+    return compress(src_buffer, src_data_size, dst_buffer, dst_buffer_size,
+                    dst_data_size);
+  }
+  virtual int decompress(const char *src_buffer,
+                         const int64_t src_data_size,
+                         char *dst_buffer,
+                         const int64_t dst_buffer_size,
+                         int64_t &dst_data_size,
+                         ObIAllocator *allocator)
+  {
+    UNUSED(allocator);
+    return decompress(src_buffer, src_data_size, dst_buffer, dst_buffer_size,
+                      dst_data_size);
+  }
   virtual int compress(const char *src_buffer,
                        const int64_t src_data_size,
                        char *dst_buffer,

deps/oblib/src/lib/compress/zstd/ob_zstd_compressor.cpp

@@ -24,7 +24,7 @@ static void *ob_zstd_malloc(void *opaque, size_t size)
 {
   void *buf = NULL;
   if (NULL != opaque) {
-    ObZstdCtxAllocator *allocator = reinterpret_cast<ObZstdCtxAllocator*> (opaque);
+    ObIAllocator *allocator = reinterpret_cast<ObIAllocator*> (opaque);
     buf = allocator->alloc(size);
   }
   return buf;
@@ -33,7 +33,7 @@ static void *ob_zstd_malloc(void *opaque, size_t size)
 static void ob_zstd_free(void *opaque, void *address)
 {
   if (NULL != opaque) {
-    ObZstdCtxAllocator *allocator = reinterpret_cast<ObZstdCtxAllocator*> (opaque);
+    ObIAllocator *allocator = reinterpret_cast<ObIAllocator*> (opaque);
     allocator->free(address);
   }
 }
@@ -42,7 +42,7 @@ static void ob_zstd_free(void *opaque, void *address)
  * ------------------------------ObZstdCtxAllocator---------------------
  */
 ObZstdCtxAllocator::ObZstdCtxAllocator(int64_t tenant_id)
-  : allocator_(ObModIds::OB_COMPRESSOR, OB_MALLOC_BIG_BLOCK_SIZE,
+  : allocator_(ObModIds::OB_COMPRESSOR, ZSTD_ALLOCATOR_BLOCK_SIZE,
                tenant_id)
 {
 }
@@ -51,14 +51,14 @@ ObZstdCtxAllocator::~ObZstdCtxAllocator()
 {
 }
 
-void* ObZstdCtxAllocator::alloc(size_t size)
+void* ObZstdCtxAllocator::alloc(const int64_t size)
 {
   return allocator_.alloc(size);
 }
 
-void ObZstdCtxAllocator::free(void *addr)
+void ObZstdCtxAllocator::free(void *ptr)
 {
-  allocator_.free(addr);
+  allocator_.free(ptr);
 }
 
 void ObZstdCtxAllocator::reuse()
@@ -78,13 +78,14 @@ int ObZstdCompressor::compress(const char *src_buffer,
                                const int64_t src_data_size,
                                char *dst_buffer,
                                const int64_t dst_buffer_size,
-                               int64_t &dst_data_size)
+                               int64_t &dst_data_size,
+                               ObIAllocator *allocator)
 {
   int ret = OB_SUCCESS;
   int64_t max_overflow_size = 0;
   size_t compress_ret_size = 0;
   ObZstdCtxAllocator &zstd_allocator = ObZstdCtxAllocator::get_thread_local_instance();
-  OB_ZSTD_customMem zstd_mem = {ob_zstd_malloc, ob_zstd_free, &zstd_allocator};
+  OB_ZSTD_customMem zstd_mem = {ob_zstd_malloc, ob_zstd_free, allocator ?: &zstd_allocator};
   dst_data_size = 0;
 
   if (NULL == src_buffer
@@ -120,12 +121,13 @@ int ObZstdCompressor::decompress(const char *src_buffer,
                                  const int64_t src_data_size,
                                  char *dst_buffer,
                                  const int64_t dst_buffer_size,
-                                 int64_t &dst_data_size)
+                                 int64_t &dst_data_size,
+                                 ObIAllocator *allocator)
 {
   int ret = OB_SUCCESS;
   size_t decompress_ret_size = 0;
   ObZstdCtxAllocator &zstd_allocator = ObZstdCtxAllocator::get_thread_local_instance();
-  OB_ZSTD_customMem zstd_mem = {ob_zstd_malloc, ob_zstd_free, &zstd_allocator};
+  OB_ZSTD_customMem zstd_mem = {ob_zstd_malloc, ob_zstd_free, allocator ?: &zstd_allocator};
   dst_data_size = 0;
 
   if (NULL == src_buffer

deps/oblib/src/lib/compress/zstd/ob_zstd_compressor.h

@@ -23,8 +23,9 @@ namespace common
 namespace zstd
 {
 
-class ObZstdCtxAllocator
+class ObZstdCtxAllocator : public ObIAllocator
 {
+static constexpr int64_t ZSTD_ALLOCATOR_BLOCK_SIZE = (1LL << 20) - (17LL << 10);
 public:
   ObZstdCtxAllocator(int64_t tenant_id);
   virtual ~ObZstdCtxAllocator();
@@ -33,10 +34,11 @@ public:
     thread_local ObZstdCtxAllocator allocator(ob_thread_tenant_id());
     return allocator;
   }
-  void *alloc(size_t size);
+  void *alloc(const int64_t size) override;
-  void free(void *addr);
+  void *alloc(const int64_t size, const ObMemAttr &attr) override { return NULL; }
-  void reuse();
+  void free(void *ptr) override;
-  void reset();
+  void reuse() override;
+  void reset() override;
 private:
   ObArenaAllocator allocator_;
 };
@@ -50,12 +52,32 @@ public:
                const int64_t src_data_size,
                char *dst_buffer,
                const int64_t dst_buffer_size,
-               int64_t &dst_data_size);
+               int64_t &dst_data_size,
+               ObIAllocator *allocator) override;
   int decompress(const char *src_buffer,
                  const int64_t src_data_size,
                  char *dst_buffer,
                  const int64_t dst_buffer_size,
-                 int64_t &dst_data_size);
+                 int64_t &dst_data_size,
+                 ObIAllocator *allocator) override;
+  int compress(const char *src_buffer,
+               const int64_t src_data_size,
+               char *dst_buffer,
+               const int64_t dst_buffer_size,
+               int64_t &dst_data_size) override
+  {
+    return compress(src_buffer, src_data_size, dst_buffer,
+                    dst_buffer_size, dst_data_size, NULL);
+  }
+  int decompress(const char *src_buffer,
+                 const int64_t src_data_size,
+                 char *dst_buffer,
+                 const int64_t dst_buffer_size,
+                 int64_t &dst_data_size) override
+  {
+    return decompress(src_buffer, src_data_size, dst_buffer,
+                      dst_buffer_size, dst_data_size, NULL);
+  }
   const char *get_compressor_name() const;
   ObCompressorType get_compressor_type() const;
   int get_max_overflow_size(const int64_t src_data_size,

deps/oblib/src/lib/compress/zstd_1_3_8/ob_zstd_compressor_1_3_8.cpp

@@ -25,7 +25,7 @@ static void *ob_zstd_malloc(void *opaque, size_t size)
 {
   void *buf = NULL;
   if (NULL != opaque) {
-    ObZstdCtxAllocator *allocator = reinterpret_cast<ObZstdCtxAllocator*> (opaque);
+    ObIAllocator *allocator = reinterpret_cast<ObIAllocator*> (opaque);
     buf = allocator->alloc(size);
   }
   return buf;
@@ -34,7 +34,7 @@ static void *ob_zstd_malloc(void *opaque, size_t size)
 static void ob_zstd_free(void *opaque, void *address)
 {
   if (NULL != opaque) {
-    ObZstdCtxAllocator *allocator = reinterpret_cast<ObZstdCtxAllocator*> (opaque);
+    ObIAllocator *allocator = reinterpret_cast<ObIAllocator*> (opaque);
     allocator->free(address);
   }
 }
@@ -43,7 +43,7 @@ static void ob_zstd_free(void *opaque, void *address)
  * ------------------------------ObZstdCtxAllocator---------------------
  */
 ObZstdCtxAllocator::ObZstdCtxAllocator(int64_t tenant_id)
-  : allocator_(ObModIds::OB_COMPRESSOR, OB_MALLOC_BIG_BLOCK_SIZE,
+  : allocator_(ObModIds::OB_COMPRESSOR, ZSTD_ALLOCATOR_BLOCK_SIZE,
                tenant_id)
 {
 }
@@ -52,14 +52,14 @@ ObZstdCtxAllocator::~ObZstdCtxAllocator()
 {
 }
 
-void* ObZstdCtxAllocator::alloc(size_t size)
+void* ObZstdCtxAllocator::alloc(const int64_t size)
 {
   return allocator_.alloc(size);
 }
 
-void ObZstdCtxAllocator::free(void *addr)
+void ObZstdCtxAllocator::free(void *ptr)
 {
-  allocator_.free(addr);
+  allocator_.free(ptr);
 }
 
 void ObZstdCtxAllocator::reuse()
@@ -79,13 +79,14 @@ int ObZstdCompressor_1_3_8::compress(const char *src_buffer,
                                const int64_t src_data_size,
                                char *dst_buffer,
                                const int64_t dst_buffer_size,
-                               int64_t &dst_data_size)
+                               int64_t &dst_data_size,
+                               ObIAllocator *allocator)
 {
   int ret = OB_SUCCESS;
   int64_t max_overflow_size = 0;
   size_t compress_ret_size = 0;
   ObZstdCtxAllocator &zstd_allocator = ObZstdCtxAllocator::get_thread_local_instance();
-  OB_ZSTD_customMem zstd_mem = {ob_zstd_malloc, ob_zstd_free, &zstd_allocator};
+  OB_ZSTD_customMem zstd_mem = {ob_zstd_malloc, ob_zstd_free, allocator ?: &zstd_allocator};
   dst_data_size = 0;
 
   if (NULL == src_buffer
@@ -121,12 +122,13 @@ int ObZstdCompressor_1_3_8::decompress(const char *src_buffer,
                                  const int64_t src_data_size,
                                  char *dst_buffer,
                                  const int64_t dst_buffer_size,
-                                 int64_t &dst_data_size)
+                                 int64_t &dst_data_size,
+                                 ObIAllocator *allocator)
 {
   int ret = OB_SUCCESS;
   size_t decompress_ret_size = 0;
   ObZstdCtxAllocator &zstd_allocator = ObZstdCtxAllocator::get_thread_local_instance();
-  OB_ZSTD_customMem zstd_mem = {ob_zstd_malloc, ob_zstd_free, &zstd_allocator};
+  OB_ZSTD_customMem zstd_mem = {ob_zstd_malloc, ob_zstd_free, allocator ?: &zstd_allocator};
   dst_data_size = 0;
 
   if (NULL == src_buffer

deps/oblib/src/lib/compress/zstd_1_3_8/ob_zstd_compressor_1_3_8.h

@@ -23,8 +23,9 @@ namespace common
 namespace zstd_1_3_8
 {
 
-class ObZstdCtxAllocator
+class ObZstdCtxAllocator : public ObIAllocator
 {
+static constexpr int64_t ZSTD_ALLOCATOR_BLOCK_SIZE = (1LL << 20) - (17LL << 10);
 public:
   ObZstdCtxAllocator(int64_t tenant_id);
   virtual ~ObZstdCtxAllocator();
@@ -33,10 +34,11 @@ public:
     thread_local ObZstdCtxAllocator allocator(ob_thread_tenant_id());
     return allocator;
   }
-  void *alloc(size_t size);
+  void *alloc(const int64_t size) override;
-  void free(void *addr);
+  void *alloc(const int64_t size, const ObMemAttr &attr) override { return NULL; }
-  void reuse();
+  void free(void *ptr) override;
-  void reset();
+  void reuse() override;
+  void reset() override;
 private:
   ObArenaAllocator allocator_;
 };
@@ -50,12 +52,32 @@ public:
                const int64_t src_data_size,
                char *dst_buffer,
                const int64_t dst_buffer_size,
-               int64_t &dst_data_size);
+               int64_t &dst_data_size,
+               ObIAllocator *allocator) override;
   int decompress(const char *src_buffer,
                  const int64_t src_data_size,
                  char *dst_buffer,
                  const int64_t dst_buffer_size,
-                 int64_t &dst_data_size);
+                 int64_t &dst_data_size,
+                 ObIAllocator *allocator) override;
+  int compress(const char *src_buffer,
+               const int64_t src_data_size,
+               char *dst_buffer,
+               const int64_t dst_buffer_size,
+               int64_t &dst_data_size) override
+  {
+    return compress(src_buffer, src_data_size, dst_buffer,
+                    dst_buffer_size, dst_data_size, NULL);
+  }
+  int decompress(const char *src_buffer,
+                 const int64_t src_data_size,
+                 char *dst_buffer,
+                 const int64_t dst_buffer_size,
+                 int64_t &dst_data_size) override
+  {
+    return decompress(src_buffer, src_data_size, dst_buffer,
+                      dst_buffer_size, dst_data_size, NULL);
+  }
   const char *get_compressor_name() const;
   ObCompressorType get_compressor_type() const;
   int get_max_overflow_size(const int64_t src_data_size,

deps/oblib/unittest/lib/CMakeLists.txt

@@ -119,6 +119,7 @@ oblib_addtest(wait_event/test_wait_event.cpp)
 oblib_addtest(utility/test_fast_convert.cpp)
 oblib_addtest(utility/test_defer.cpp)
 oblib_addtest(hash/test_ob_ref_mgr.cpp)
+oblib_addtest(compress/test_compressor.cpp)
 
 ##codec
 oblib_addtest(codec/test_composite.cpp)

deps/oblib/unittest/lib/compress/test_compressor.cpp

@@ -17,7 +17,7 @@
 #include "lib/compress/ob_compressor_pool.h"
 #include "lib/alloc/alloc_func.h"
 #include "lib/ob_define.h"
-#include "lib/compress/zlib/zlib.h"
+#include "zlib.h"
 #include "lib/checksum/ob_crc64.h"
 #include "lib/coro/testing.h"
 
@@ -25,6 +25,7 @@
 using namespace oceanbase::obsys;
 using namespace oceanbase::common;
 using namespace oceanbase::common::hash;
+using namespace oceanbase::common::zstd;
 
 namespace oceanbase
 {
@@ -388,18 +389,6 @@ TEST(ObCompressorStress, compress_stable)
   ASSERT_EQ(OB_SUCCESS, ret);
   cmp_stress.set_thread_count(20);
   cmp_stress.start();
-  for (int64_t i = 0; i < sleep_sec; ++i) {
-    common::ObLabelItem item;
-    lib::get_tenant_label_memory(common::OB_SERVER_TENANT_ID, ObModIds::OB_COMPRESSOR, item);
-    COMMON_LOG(INFO, "MEMORY USED: ",
-        K(item.hold_),
-        K(item.used_),
-        K(item.alloc_count_),
-        K(item.free_count_),
-        K(item.count_));
-    ASSERT_TRUE(item.alloc_count_ < 1000);
-    sleep(1);
-  }
   cmp_stress.stop();
   cmp_stress.wait();
   cmp_stress.destroy();
@@ -545,58 +534,107 @@ TEST_F(ObCompressorTest, test_zlib_stream)
   ASSERT_NE(0, strcmp(data, decompress_buffer));
 }
 
-TEST_F(ObCompressorTest, test_zlib_vs_ob)
+class MyAlloc : public ObIAllocator
 {
-  static const uint32_t MAX_DATA_SIZE = 1<<18;//256k
+public:
-  const uint32_t compress_step = 10;
+  MyAlloc() : alloc_count_(0), free_count_(0) {}
+  void *alloc(const int64_t sz)
+  {
+    alloc_count_++;
+    return ob_malloc(sz, "test");
+  }
+  void *alloc(const int64_t size, const ObMemAttr &attr)
+  {
+    return NULL;
+  }
+  void free(void *ptr)
+  {
+    free_count_++;
+    ob_free(ptr);
+  };
+  int64_t alloc_count_;
+  int64_t free_count_;
+};
 
-  unsigned char data[MAX_DATA_SIZE];
+void test_zstd_family(ObCompressor &compressor)
-  uint64_t dst_data_size1 = 0;
+{
-  unsigned char compress_buffer1[static_cast<uint32_t>(MAX_DATA_SIZE * 1.1 + 14)];
+  MyAlloc alloc;
-  uint64_t dst_data_size2 = 0;
+  ASSERT_EQ(alloc.alloc_count_, 0);
-  unsigned char compress_buffer2[static_cast<uint32_t>(MAX_DATA_SIZE * 1.1 + 14)];
+  ASSERT_EQ(alloc.free_count_, alloc.alloc_count_);
-  uint64_t decompress_data_size = 0;
+  int64_t src_len = 2L<<20;
-  unsigned char decompress_buffer[MAX_DATA_SIZE];
+  char *src_buf = (char*)ob_malloc(src_len, "test");
+  for (int i = 0; i < src_len; i++) {
+     src_buf[i] = static_cast<char> ('a' + ObRandom::rand(0, 25));;
+  }
+  char *cmp_buf = (char*)ob_malloc(src_len, "test");
+  memcpy(cmp_buf, src_buf, src_len);
+  int64_t max_overflow_size = 0;
+  int ret = compressor.get_max_overflow_size(src_len, max_overflow_size);
+  ASSERT_EQ(OB_SUCCESS, ret);
+  int64_t dst_buf_len = src_len + max_overflow_size;
+  char *dst_buf = (char*)ob_malloc(dst_buf_len, "test");
+  int64_t dst_actual_len = 0;
+  ret = compressor.compress(src_buf, src_len, dst_buf, dst_buf_len, dst_actual_len, &alloc);
+  ASSERT_EQ(OB_SUCCESS, ret);
+  int64_t alloc_count_bak = alloc.alloc_count_;
+  ASSERT_NE(alloc.alloc_count_, 0);
+  ASSERT_EQ(alloc.free_count_, alloc.alloc_count_);
+  memset(src_buf, 0, src_len);
+  int64_t src_actual_len = 0;
+  ret = compressor.decompress(dst_buf, dst_actual_len, src_buf, src_len, src_actual_len, &alloc);
+  ASSERT_EQ(OB_SUCCESS, ret);
+  ASSERT_EQ(src_actual_len, src_len);
+  ASSERT_EQ(0, memcmp(cmp_buf, src_buf, src_len));
+  ASSERT_GT(alloc.alloc_count_, alloc_count_bak);
+  ASSERT_EQ(alloc.free_count_, alloc.alloc_count_);
+  alloc_count_bak = alloc.alloc_count_;
 
-  timeval start, end;
+  // decompress without allocator
-  ObRandom test_random;
+  memset(src_buf, 0, src_len);
-  int64_t num = 0;
+  src_actual_len = 0;
-  for (uint32_t i = 0; i < MAX_DATA_SIZE; i++) {
+  ret = compressor.decompress(dst_buf, dst_actual_len, src_buf, src_len, src_actual_len);
-    num = test_random.get(0, 255);
+  ASSERT_EQ(OB_SUCCESS, ret);
-    data[i] = (unsigned char)(num);
+  ASSERT_EQ(src_actual_len, src_len);
+  ASSERT_EQ(0, memcmp(cmp_buf, src_buf, src_len));
+  ASSERT_EQ(alloc.alloc_count_, alloc_count_bak);
+  ASSERT_EQ(alloc.free_count_, alloc.alloc_count_);
 }
 
-  for (uint32_t test_len = 1; test_len < MAX_DATA_SIZE; test_len += compress_step) {
+TEST_F(ObCompressorTest, test_zstd_custom_alloc)
-    gettimeofday(&start, NULL);
+{
-    for (int64_t i = 0; i < 2; i++) {
+  {
-      dst_data_size1 = static_cast<uint32_t>(test_len * 1.1 + 14);
+    oceanbase::zstd::ObZstdCompressor compressor;
-      compress2(compress_buffer1, &dst_data_size1, reinterpret_cast<const Bytef*>(data), test_len, 0);
+    test_zstd_family(compressor);
+  }
+  {
+    oceanbase::zstd_1_3_8::ObZstdCompressor_1_3_8 compressor;
+    test_zstd_family(compressor);
+  }
+  {
+    oceanbase::common::ObLZ4Compressor lz4_compressor;
+    ObCompressor &compressor = lz4_compressor;
+    MyAlloc alloc;
+    ASSERT_EQ(alloc.alloc_count_, 0);
+    ASSERT_EQ(alloc.free_count_, alloc.alloc_count_);
+    int64_t src_len = 2L<<20;
+    char *src_buf = (char*)ob_malloc(src_len, "test");
+    int64_t max_overflow_size = 0;
+    int ret = compressor.get_max_overflow_size(src_len, max_overflow_size);
+    ASSERT_EQ(OB_SUCCESS, ret);
+    int64_t dst_buf_len = src_len + max_overflow_size;
+    char *dst_buf = (char*)ob_malloc(dst_buf_len, "test");
+    int64_t dst_actual_len = 0;
+    ret = compressor.compress(src_buf, src_len, dst_buf, dst_buf_len, dst_actual_len, &alloc);
+    ASSERT_EQ(OB_SUCCESS, ret);
+    ASSERT_EQ(alloc.alloc_count_, 0);
+    int64_t src_actual_len = 0;
+    ret = compressor.decompress(dst_buf, dst_actual_len, src_buf, src_len, src_actual_len, &alloc);
+    ASSERT_EQ(OB_SUCCESS, ret);
+    ASSERT_EQ(alloc.alloc_count_, 0);
+    ASSERT_EQ(src_actual_len, src_len);
+  }
 }
-    gettimeofday(&end, NULL);
-    COMMON_LOG(INFO, "zlib cost", "usec", (end.tv_sec - start.tv_sec) * 1000000 + end.tv_usec - start.tv_usec, K(test_len));
 
-    gettimeofday(&start, NULL);
-    for (int64_t i = 0; i < 2; i++) {
-      dst_data_size2 = static_cast<uint32_t>(test_len * 1.1 + 14);
-      zlib_compressor.fast_level0_compress(compress_buffer2, &dst_data_size2, reinterpret_cast<const Bytef*>(data), test_len);
-    }
-    gettimeofday(&end, NULL);
-    COMMON_LOG(INFO, "ob   cost", "usec",  (end.tv_sec - start.tv_sec) * 1000000 + end.tv_usec - start.tv_usec);
-
-    ASSERT_EQ(dst_data_size1, dst_data_size2);
-    ASSERT_EQ(0, memcmp(compress_buffer1, compress_buffer2, dst_data_size2));
-
-    memset(decompress_buffer, 0, sizeof(decompress_buffer));
-    decompress_data_size = sizeof(decompress_buffer);
-    int zlib_errno = uncompress(reinterpret_cast<Bytef*>(decompress_buffer),
-                                reinterpret_cast<uLongf*>(&decompress_data_size),
-                                reinterpret_cast<const Byte*>(compress_buffer1),
-                                static_cast<uLong>(dst_data_size1));
-    ASSERT_EQ(zlib_errno, Z_OK);
-    ASSERT_EQ(test_len, decompress_data_size);
-    ASSERT_EQ(0, memcmp(decompress_buffer, data, decompress_data_size));
-  }
-}
 }
 }