yiguolei commented on code in PR #21522:
URL: https://github.com/apache/doris/pull/21522#discussion_r1253295314
##########
be/src/util/mem_info.h:
##########
@@ -165,9 +172,162 @@ class MemInfo {
static std::string debug_string();
- static void process_cache_gc(int64_t& freed_mem);
- static bool process_minor_gc();
- static bool process_full_gc();
+ template <typename Func, typename... Args>
+ static void gc_wrap(Func&& gc_func, const std::string& name, int64_t&
freed_mem,
+ std::unordered_map<std::string, int64_t>&
freed_details,
+ std::unordered_map<std::string, uint64_t>&
cost_details, Args&&... args) {
+ MonotonicStopWatch watch;
+ watch.start();
+ freed_details[name] = gc_func(freed_mem, std::forward<Args>(args)...);
+ freed_mem += freed_details[name];
+ cost_details[name] = watch.elapsed_time() / 1000;
+ }
+
+ static std::string print_gc_freed_details(
+ std::unordered_map<std::string, int64_t>& freed_details,
+ std::unordered_map<std::string, uint64_t>& cost_details);
+
+ // step1: free all cache
+ // step2: free resource groups memory that enable overcommit
+ // step3: free global top overcommit query, if enable query memory
overcommit
+ // TODO Now, the meaning is different from java minor gc + full gc, more
like small gc + large gc.
+ template <typename... Args>
Review Comment:
这个模板参数是干什么用的？
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