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[RIP-28] light message queue(LMQ) (apache#3694)
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62 changes: 62 additions & 0 deletions
62
broker/src/main/java/org/apache/rocketmq/broker/longpolling/LmqPullRequestHoldService.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You under the Apache License, Version 2.0 | ||
| * (the "License"); you may not use this file except in compliance with | ||
| * the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package org.apache.rocketmq.broker.longpolling; | ||
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| import org.apache.rocketmq.broker.BrokerController; | ||
| import org.apache.rocketmq.common.MixAll; | ||
| import org.apache.rocketmq.common.constant.LoggerName; | ||
| import org.apache.rocketmq.logging.InternalLogger; | ||
| import org.apache.rocketmq.logging.InternalLoggerFactory; | ||
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| public class LmqPullRequestHoldService extends PullRequestHoldService { | ||
| private static final InternalLogger LOGGER = InternalLoggerFactory.getLogger(LoggerName.BROKER_LOGGER_NAME); | ||
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| public LmqPullRequestHoldService(BrokerController brokerController) { | ||
| super(brokerController); | ||
| } | ||
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| @Override | ||
| public String getServiceName() { | ||
| return LmqPullRequestHoldService.class.getSimpleName(); | ||
| } | ||
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| @Override | ||
| public void checkHoldRequest() { | ||
| for (String key : pullRequestTable.keySet()) { | ||
| int idx = key.lastIndexOf(TOPIC_QUEUEID_SEPARATOR); | ||
| if (idx <= 0 || idx >= key.length() - 1) { | ||
| pullRequestTable.remove(key); | ||
| continue; | ||
| } | ||
| String topic = key.substring(0, idx); | ||
| int queueId = Integer.parseInt(key.substring(idx + 1)); | ||
| final long offset = brokerController.getMessageStore().getMaxOffsetInQueue(topic, queueId); | ||
| try { | ||
| this.notifyMessageArriving(topic, queueId, offset); | ||
| } catch (Throwable e) { | ||
| LOGGER.error("check hold request failed. topic={}, queueId={}", topic, queueId, e); | ||
| } | ||
| if (MixAll.isLmq(topic)) { | ||
| ManyPullRequest mpr = pullRequestTable.get(key); | ||
| if (mpr == null || mpr.getPullRequestList() == null || mpr.getPullRequestList().isEmpty()) { | ||
| pullRequestTable.remove(key); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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109 changes: 109 additions & 0 deletions
109
broker/src/main/java/org/apache/rocketmq/broker/offset/LmqConsumerOffsetManager.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,109 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You under the Apache License, Version 2.0 | ||
| * (the "License"); you may not use this file except in compliance with | ||
| * the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package org.apache.rocketmq.broker.offset; | ||
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| import java.util.HashMap; | ||
| import java.util.Map; | ||
| import java.util.concurrent.ConcurrentHashMap; | ||
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| import org.apache.rocketmq.broker.BrokerController; | ||
| import org.apache.rocketmq.broker.BrokerPathConfigHelper; | ||
| import org.apache.rocketmq.common.MixAll; | ||
| import org.apache.rocketmq.remoting.protocol.RemotingSerializable; | ||
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| public class LmqConsumerOffsetManager extends ConsumerOffsetManager { | ||
| private ConcurrentHashMap<String, Long> lmqOffsetTable = new ConcurrentHashMap<>(512); | ||
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| public LmqConsumerOffsetManager(BrokerController brokerController) { | ||
| super(brokerController); | ||
| } | ||
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| @Override | ||
| public long queryOffset(final String group, final String topic, final int queueId) { | ||
| if (!MixAll.isLmq(group)) { | ||
| return super.queryOffset(group, topic, queueId); | ||
| } | ||
| // topic@group | ||
| String key = topic + TOPIC_GROUP_SEPARATOR + group; | ||
| Long offset = lmqOffsetTable.get(key); | ||
| if (offset != null) { | ||
| return offset; | ||
| } | ||
| return -1; | ||
| } | ||
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| @Override | ||
| public Map<Integer, Long> queryOffset(final String group, final String topic) { | ||
| if (!MixAll.isLmq(group)) { | ||
| return super.queryOffset(group, topic); | ||
| } | ||
| Map<Integer, Long> map = new HashMap<>(); | ||
| // topic@group | ||
| String key = topic + TOPIC_GROUP_SEPARATOR + group; | ||
| Long offset = lmqOffsetTable.get(key); | ||
| if (offset != null) { | ||
| map.put(0, offset); | ||
| } | ||
| return map; | ||
| } | ||
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| @Override | ||
| public void commitOffset(final String clientHost, final String group, final String topic, final int queueId, | ||
| final long offset) { | ||
| if (!MixAll.isLmq(group)) { | ||
| super.commitOffset(clientHost, group, topic, queueId, offset); | ||
| return; | ||
| } | ||
| // topic@group | ||
| String key = topic + TOPIC_GROUP_SEPARATOR + group; | ||
| lmqOffsetTable.put(key, offset); | ||
| } | ||
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| @Override | ||
| public String encode() { | ||
| return this.encode(false); | ||
| } | ||
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| @Override | ||
| public String configFilePath() { | ||
| return BrokerPathConfigHelper.getLmqConsumerOffsetPath(brokerController.getMessageStoreConfig().getStorePathRootDir()); | ||
| } | ||
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| @Override | ||
| public void decode(String jsonString) { | ||
| if (jsonString != null) { | ||
| LmqConsumerOffsetManager obj = RemotingSerializable.fromJson(jsonString, LmqConsumerOffsetManager.class); | ||
| if (obj != null) { | ||
| super.offsetTable = obj.offsetTable; | ||
| this.lmqOffsetTable = obj.lmqOffsetTable; | ||
| } | ||
| } | ||
| } | ||
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| @Override | ||
| public String encode(final boolean prettyFormat) { | ||
| return RemotingSerializable.toJson(this, prettyFormat); | ||
| } | ||
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| public ConcurrentHashMap<String, Long> getLmqOffsetTable() { | ||
| return lmqOffsetTable; | ||
| } | ||
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| public void setLmqOffsetTable(ConcurrentHashMap<String, Long> lmqOffsetTable) { | ||
| this.lmqOffsetTable = lmqOffsetTable; | ||
| } | ||
| } |
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