imay commented on a change in pull request #3383:
URL: https://github.com/apache/incubator-doris/pull/3383#discussion_r413926676
##########
File path: be/src/exec/olap_scan_node.cpp
##########
@@ -1038,6 +1038,7 @@ Status
OlapScanNode::normalize_binary_predicate(SlotDescriptor* slot, ColumnValu
void OlapScanNode::transfer_thread(RuntimeState* state) {
// scanner open pushdown to scanThread
+ state->resource_pool()->acquire_thread_token();
Review comment:
Can you tell the side effect of this operation? Will this thread hang if
there is not enough thread resource?
##########
File path: be/src/runtime/runtime_state.cpp
##########
@@ -226,8 +226,12 @@ Status RuntimeState::init_mem_trackers(const TUniqueId&
query_id) {
// _query_mem_tracker = MemTracker::get_query_mem_tracker(
// query_id, bytes_limit, _exec_env->process_mem_tracker());
+
+ auto mem_tracker_counter = ADD_COUNTER(&_profile, "MemoryLimit",
TUnit::BYTES);
+ mem_tracker_counter->set(bytes_limit);
+
_query_mem_tracker.reset(
- new MemTracker(bytes_limit, runtime_profile()->name(),
_exec_env->process_mem_tracker()));
+ new MemTracker(&_profile, bytes_limit, runtime_profile()->name(),
_exec_env->process_mem_tracker()));
Review comment:
If you add profile for this memory tracker, why not
`_instance_mem_tracker`?
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