fix and enable sensitive_test

deps/oblib/src/lib/allocator/ob_qsync.h

@@ -104,16 +104,20 @@ protected:
   int64_t ref_num_;
 };
 
-class ObQSync : public ObQSyncImpl
+template<int64_t MAX_REF_CNT>
+class ObQSyncWrapper : public ObQSyncImpl
 {
 public:
-  enum { MAX_REF_CNT = 256 };
-  ObQSync() : ObQSyncImpl(local_ref_array_, MAX_REF_CNT) {}
-  virtual ~ObQSync() {}
+  ObQSyncWrapper() : ObQSyncImpl(local_ref_array_, MAX_REF_CNT) {}
+  virtual ~ObQSyncWrapper() {}
 private:
   Ref local_ref_array_[MAX_REF_CNT];
 };
 
+class ObQSync : public ObQSyncWrapper<256>
+{
+};
+
 struct QSyncCriticalGuard
 {
   explicit QSyncCriticalGuard(ObQSync& qsync): qsync_(qsync), ref_(qsync.acquire_ref()) {}

deps/oblib/src/lib/lock/ob_qsync_lock.cpp

@@ -18,12 +18,13 @@ namespace common
 {
 int ObQSyncLock::init(const lib::ObMemAttr &mem_attr)
 {
-  return qsync_.init(mem_attr);
+  UNUSED(mem_attr);
+  return OB_SUCCESS;
 }
 
 void ObQSyncLock::destroy()
 {
-  qsync_.destroy();
+  // do nothing
 }
 
 int ObQSyncLock::rdlock()

deps/oblib/src/lib/lock/ob_qsync_lock.h

@@ -26,7 +26,7 @@ public:
   ObQSyncLock() : write_flag_(0) {}
   ~ObQSyncLock() {}
   int init(const lib::ObMemAttr &mem_attr);
-  bool is_inited() const { return qsync_.is_inited(); }
+  bool is_inited() const { return true; }
   void destroy();
   int rdlock();
   void rdunlock();
@@ -36,9 +36,10 @@ public:
   int try_rdlock();
 private:
   static const int64_t TRY_SYNC_COUNT = 16;
+  static const int64_t MAX_REF_CNT = 48;
 private:
   int64_t write_flag_ CACHE_ALIGNED;
-  common::ObDynamicQSync qsync_;
+  common::ObQSyncWrapper<MAX_REF_CNT> qsync_;
 };
 
 class ObQSyncLockWriteGuard

src/observer/virtual_table/ob_all_virtual_io_status.h

@@ -186,7 +186,7 @@ private:
   ObArray<ScheduleInfo> schedule_infos_;
 };
 
-const int64_t GroupIoStatusStringLength = 256;
+const int64_t GroupIoStatusStringLength = 128;
 const int64_t KBYTES = 1024;
 const int64_t MBYTES = 1024 * KBYTES;
 const int64_t GBYTES = 1024 * MBYTES;