yiguolei commented on code in PR #39031:
URL: https://github.com/apache/doris/pull/39031#discussion_r1708839354
##########
be/src/pipeline/dependency.h:
##########
@@ -847,28 +849,74 @@ struct LocalExchangeSharedState : public BasicSharedState
{
void add_mem_usage(int channel_id, size_t delta, bool
update_total_mem_usage = true) {
mem_trackers[channel_id]->consume(delta);
if (update_total_mem_usage) {
- add_total_mem_usage(delta);
+ add_total_mem_usage(delta, channel_id);
}
}
void sub_mem_usage(int channel_id, size_t delta, bool
update_total_mem_usage = true) {
mem_trackers[channel_id]->release(delta);
if (update_total_mem_usage) {
- sub_total_mem_usage(delta);
+ sub_total_mem_usage(delta, channel_id);
}
}
- void add_total_mem_usage(size_t delta) {
+ virtual void add_total_mem_usage(size_t delta, int channel_id = 0) {
if (mem_usage.fetch_add(delta) + delta >
config::local_exchange_buffer_mem_limit) {
sink_deps.front()->block();
}
}
- void sub_total_mem_usage(size_t delta) {
+ virtual void sub_total_mem_usage(size_t delta, int channel_id = 0) {
if (mem_usage.fetch_sub(delta) - delta <=
config::local_exchange_buffer_mem_limit) {
sink_deps.front()->set_ready();
}
}
};
+struct LocalMergeExchangeSharedState : public LocalExchangeSharedState {
+ LocalMergeExchangeSharedState(int num_instances)
+ : LocalExchangeSharedState(num_instances),
+ _queues_mem_usege(num_instances),
+ _each_queue_limit(config::local_exchange_buffer_mem_limit /
num_instances) {
+ for (size_t i = 0; i < num_instances; i++) {
+ _queues_mem_usege[i] = 0;
+ }
+ }
+
+ void create_dependencies(int operator_id, int node_id) override {
+ sink_deps.resize(source_deps.size());
+ for (size_t i = 0; i < source_deps.size(); i++) {
+ source_deps[i] = std::make_shared<Dependency>(operator_id, node_id,
+
"LOCAL_EXCHANGE_OPERATOR_DEPENDENCY");
+ source_deps[i]->set_shared_state(this);
+ sink_deps[i] = std::make_shared<Dependency>(
+ operator_id, node_id,
"LOCAL_EXCHANGE_OPERATOR_SINK_DEPENDENCY", true);
+ sink_deps[i]->set_shared_state(this);
+ }
+ }
+
+ void sub_total_mem_usage(size_t delta, int channel_id) override {
+ if (_queues_mem_usege[channel_id].fetch_sub(delta) - delta <=
_each_queue_limit) {
Review Comment:
typo error
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