dataroaring commented on a change in pull request #8476:
URL: https://github.com/apache/incubator-doris/pull/8476#discussion_r829001314
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File path: be/src/runtime/thread_context.h
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@@ -50,27 +56,65 @@ class ThreadContext {
};
public:
- ThreadContext() : _thread_id(std::this_thread::get_id()),
_type(TaskType::UNKNOWN) {}
+ ThreadContext() : _thread_id(std::this_thread::get_id()),
_type(TaskType::UNKNOWN) {
+ _thread_mem_tracker_mgr.reset(new ThreadMemTrackerMgr());
+ }
void attach(const TaskType& type, const std::string& task_id,
- const TUniqueId& fragment_instance_id) {
+ const TUniqueId& fragment_instance_id,
+ const std::shared_ptr<MemTracker>& mem_tracker) {
DCHECK(_type == TaskType::UNKNOWN && _task_id == "");
_type = type;
_task_id = task_id;
_fragment_instance_id = fragment_instance_id;
+ _thread_mem_tracker_mgr->attach_task(task_type_string(_type), task_id,
fragment_instance_id,
+ mem_tracker);
}
void detach() {
_type = TaskType::UNKNOWN;
_task_id = "";
_fragment_instance_id = TUniqueId();
+ _thread_mem_tracker_mgr->detach_task();
}
- const std::string type() const;
const std::string& task_id() const { return _task_id; }
const std::thread::id& thread_id() const { return _thread_id; }
const TUniqueId& fragment_instance_id() const { return
_fragment_instance_id; }
+ inline static const std::string task_type_string(ThreadContext::TaskType
type) {
+ switch (type) {
+ case ThreadContext::TaskType::QUERY:
+ return "QUERY";
+ case ThreadContext::TaskType::LOAD:
+ return "LOAD";
+ case ThreadContext::TaskType::COMPACTION:
+ return "COMPACTION";
+ default:
+ return "UNKNOWN";
+ }
Review comment:
I means array not map. e.g. const char * xx_desc[TYPE_NUM]. But maybe
compiler translates such switch case to code like array?
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