kaijchen commented on code in PR #33325:
URL: https://github.com/apache/doris/pull/33325#discussion_r1579392698
##########
be/src/olap/memtable_flush_executor.cpp:
##########
@@ -203,15 +203,18 @@ void
FlushToken::_flush_memtable(std::unique_ptr<MemTable> memtable_ptr, int32_t
void MemTableFlushExecutor::init(int num_disk) {
num_disk = std::max(1, num_disk);
- size_t min_threads = std::max(1, config::flush_thread_num_per_store);
- size_t max_threads = num_disk * min_threads;
+ int num_cpus = std::thread::hardware_concurrency();
+ int min_threads = std::max(1, config::flush_thread_num_per_store);
+ int max_threads = num_cpus == 0 ? num_disk * min_threads :
+ std::min(num_disk * min_threads, num_cpus *
config::max_flush_thread_num_per_cpu);
Review Comment:
```suggestion
int max_threads = num_cpus == 0 ? num_disk * min_threads
: std::min(num_disk * min_threads,
num_cpus *
config::max_flush_thread_num_per_cpu);
```
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