Adjust the way automatic memory management records some variables to avoid cross-thread access

src/sql/engine/ob_sql_mem_mgr_processor.cpp

@@ -43,7 +43,12 @@ int ObSqlMemMgrProcessor::init(
     LOG_WARN("unexpected cache size got", K(lbt()), K(cache_size), K(op_id), K(op_type));
     cache_size = DEFAULT_CACHE_SIZE;
   }
-  if (OB_FAIL(alloc_dir_id(dir_id_))) {
+  if (OB_ISNULL(exec_ctx)) {
+    ret = OB_ERR_UNEXPECTED;
+    LOG_WARN("failed to get exec ctx", K(ret));
+  } else if (OB_FAIL(profile_.set_exec_info(*exec_ctx))) {
+    LOG_WARN("failed to set exec info", K(ret));
+  } else if (OB_FAIL(alloc_dir_id(dir_id_))) {
   } else if (OB_NOT_NULL(sql_mem_mgr)) {
     if (sql_mem_mgr->enable_auto_memory_mgr()) {
       tmp_enable_auto_mem_mgr = true;

src/sql/engine/ob_tenant_sql_memory_manager.cpp

@@ -43,49 +43,45 @@ const int64_t ObSqlWorkAreaProfile::MIN_BOUND_SIZE[ObSqlWorkAreaType::MAX_TYPE]
 
 int64_t ObSqlWorkAreaProfile::get_dop()
 {
-  int64_t dop = 1;
-  if (OB_NOT_NULL(exec_ctx_)) {
-    dop = ObPxSqcUtil::get_actual_worker_count(exec_ctx_);
-  }
-  return dop;
+  return dop_;
 }
 
 uint64_t ObSqlWorkAreaProfile::get_plan_id()
 {
-  uint64_t plan_id = UINT64_MAX;
-  if (OB_NOT_NULL(exec_ctx_)) {
-    plan_id = ObPxSqcUtil::get_plan_id(exec_ctx_);
-  }
-  return plan_id;
+  return plan_id_;
 }
 
 uint64_t ObSqlWorkAreaProfile::get_exec_id()
 {
-  uint64_t exec_id = UINT64_MAX;
-  if (OB_NOT_NULL(exec_ctx_)) {
-    exec_id = ObPxSqcUtil::get_exec_id(exec_ctx_);
-  }
-  return exec_id;
+  return exec_id_;
 }
 
 const char* ObSqlWorkAreaProfile::get_sql_id()
 {
-  const char* sql_id = nullptr;
-  if (OB_NOT_NULL(exec_ctx_)) {
-    sql_id = ObPxSqcUtil::get_sql_id(exec_ctx_);
-  }
-  return sql_id;
+  return sql_id_.ptr();
 }
 
 uint64_t ObSqlWorkAreaProfile::get_session_id()
 {
-  uint64_t session_id = UINT64_MAX;
-  if (OB_NOT_NULL(exec_ctx_)) {
-    session_id = ObPxSqcUtil::get_session_id(exec_ctx_);
-  }
-  return session_id;
+  return session_id_;
 }
 
+int ObSqlWorkAreaProfile::set_exec_info(ObExecContext &exec_ctx)
+  {
+    int ret = OB_SUCCESS;
+    dop_ = ObPxSqcUtil::get_actual_worker_count(&exec_ctx);
+    plan_id_ = ObPxSqcUtil::get_plan_id(&exec_ctx);
+    exec_id_ = ObPxSqcUtil::get_exec_id(&exec_ctx);
+    session_id_ = ObPxSqcUtil::get_session_id(&exec_ctx);
+    ObPhysicalPlanCtx *plan_ctx = exec_ctx.get_physical_plan_ctx();
+    if (OB_NOT_NULL(plan_ctx) && OB_NOT_NULL(plan_ctx->get_phy_plan())) {
+      OZ (ob_write_string(exec_ctx.get_allocator(),
+                          plan_ctx->get_phy_plan()->get_sql_id_string(),
+                          sql_id_));
+    }
+    return ret;
+  }
+
 ////////////////////////////////////////////////////////////////////////////////////
 int ObSqlWorkAreaIntervalStat::analyze_profile(
   ObSqlWorkAreaProfile &profile,

src/sql/engine/ob_tenant_sql_memory_manager.h

@@ -39,7 +39,8 @@ public:
     random_id_(0), type_(type), op_type_(PHY_INVALID), op_id_(UINT64_MAX), exec_ctx_(nullptr),
     min_size_(0), row_count_(0), input_size_(0), bucket_size_(0),
     chunk_size_(0), cache_size_(-1), one_pass_size_(0), expect_size_(OB_INVALID_ID),
-    global_bound_size_(INT64_MAX), max_bound_(INT64_MAX), delta_size_(0), data_size_(0),
+    global_bound_size_(INT64_MAX), dop_(-1), plan_id_(-1), exec_id_(-1), sql_id_(),
+    session_id_(-1), max_bound_(INT64_MAX), delta_size_(0), data_size_(0),
     max_mem_used_(0), mem_used_(0),
     pre_mem_used_(0), dumped_size_(0), data_ratio_(0.5), active_time_(0), number_pass_(0),
     calc_count_(0)
@@ -66,6 +67,7 @@ public:
     bucket_size_ = bucket_size;
   }
 
+  int set_exec_info(ObExecContext &exec_ctx);
   OB_INLINE void set_operator_type(ObPhyOperatorType op_type) { op_type_ = op_type; }
   OB_INLINE void set_operator_id(uint64_t op_id) { op_id_ = op_id; }
   OB_INLINE void set_exec_ctx(ObExecContext *exec_ctx) { exec_ctx_ = exec_ctx; }
@@ -173,6 +175,11 @@ private:
   int64_t one_pass_size_;
   int64_t expect_size_;
   int64_t global_bound_size_;
+  int64_t dop_;
+  int64_t plan_id_;
+  int64_t exec_id_;
+  ObString sql_id_;
+  int64_t session_id_;
   // 取 min(cache_size, global_bound_size)
   // sort场景，在global_bound_size比较大情况下，sort理论上有data和extra内存，data应该是one-pass size
   // 也就是expect_size