bdca9cce3e
Add an internal workload group when Doris started, currently it mainly used to manage compaction workload cpu usage. pick #42006
53 lines
2.1 KiB
C++
53 lines
2.1 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#include "agent/topic_subscriber.h"
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#include <pthread.h>
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#include <mutex>
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#include <utility>
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#include "agent/topic_listener.h"
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namespace doris {
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TopicSubscriber::TopicSubscriber() {}
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void TopicSubscriber::register_listener(TTopicInfoType::type topic_type,
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std::unique_ptr<TopicListener> topic_listener) {
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// Unique lock here to prevent access to listeners
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std::lock_guard<std::shared_mutex> lock(_listener_mtx);
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this->_registered_listeners.emplace(topic_type, std::move(topic_listener));
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}
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void TopicSubscriber::handle_topic_info(const TPublishTopicRequest& topic_request) {
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// NOTE(wb): if we found there is bottleneck for handle_topic_info by LOG(INFO)
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// eg, update workload info may delay other listener, then we need add a thread here
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// to handle_topic_info asynchronous
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std::shared_lock lock(_listener_mtx);
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for (auto& listener_pair : _registered_listeners) {
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if (topic_request.topic_map.find(listener_pair.first) != topic_request.topic_map.end()) {
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listener_pair.second->handle_topic_info(
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topic_request.topic_map.at(listener_pair.first));
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LOG(INFO) << "[topic_publish]finish handle topic " << listener_pair.first
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<< ", size=" << topic_request.topic_map.at(listener_pair.first).size();
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}
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}
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}
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} // namespace doris
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