目錄
RocketMq 部署
環境
64bit OS, Linux/Unix/Mac is recommended;
64bit JDK 1.8+;
Maven 3.2.x;
Git;
4g+ free disk for Broker server
物理機部署
- 下載最新的二進制文件 https://rocketmq.apache.org/docs/quick-start/
- 解壓
unzip rocketmq-all-4.4.0-bin-release.zip
cd rocketmq-all-4.4.0-bin-release/
自定義日志目錄
# 在以下文件中替換默認的日志路徑 ${user.home}/logs/rocketmqlogs/*
conf/logback_broker.xml
conf/logback_namesrv.xml
conf/logback_tools.xml
自定義參數和數據存放位置
conf 文件夾里有三種配置
- 2m-noslave 兩主,無從的配置
- 2m-2s-async 兩主,兩從,同步復制數據的配置
- 2m-2s-sync 兩主,兩從,異步復制數據的配置
##以修改 conf/2m-noslave/broker-a.properties 為例
#所屬集群名字
brokerClusterName=DefaultCluster
#broker名字,注意此處不同的配置文件填寫的不一樣
brokerName=broker-a
#0 表示 Master,>0 表示 Slave
brokerId=0
#nameServer地址,分號分割
namesrvAddr=127.0.0.1:9876
#改成服務器的本機ip,重要!
brokerIP1=127.0.0.1
#在發送消息時,自動創建服務器不存在的topic,默認創建的隊列數
defaultTopicQueueNums=4
#是否允許 Broker 自動創建Topic,建議線下開啟,線上關閉
autoCreateTopicEnable=true
#是否允許 Broker 自動創建訂閱組,建議線下開啟,線上關閉
autoCreateSubscriptionGroup=true
#Broker 對外服務的監聽端口
listenPort=10911
#刪除文件時間點,默認凌晨 4點
deleteWhen=04
#文件保留時間,默認 48 小時
fileReservedTime=48
#commitLog每個文件的大小默認1G
mapedFileSizeCommitLog=1073741824
#ConsumeQueue每個文件默認存30W條,根據業務情況調整
mapedFileSizeConsumeQueue=300000
#destroyMapedFileIntervalForcibly=120000
#redeleteHangedFileInterval=120000
#檢測物理文件磁盤空間
diskMaxUsedSpaceRatio=88
#自定義數據存儲路徑
#存儲路徑
storePathRootDir=/usr/local/rocketmq/store
#commitLog 存儲路徑
storePathCommitLog=/usr/local/rocketmq/store/commitlog
#消費隊列存儲路徑存儲路徑
storePathConsumeQueue=/usr/local/rocketmq/store/consumequeue
#消息索引存儲路徑
storePathIndex=/usr/local/rocketmq/store/index
#checkpoint 文件存儲路徑
storeCheckpoint=/usr/local/rocketmq/store/checkpoint
#abort 文件存儲路徑
abortFile=/usr/local/rocketmq/store/abort
#限制的消息大小
maxMessageSize=65536
#flushCommitLogLeastPages=4
#flushConsumeQueueLeastPages=2
#flushCommitLogThoroughInterval=10000
#flushConsumeQueueThoroughInterval=60000
#Broker 的角色
#- ASYNC_MASTER 異步復制Master
#- SYNC_MASTER 同步雙寫Master
#- SLAVE
brokerRole=ASYNC_MASTER
#刷盤方式
#- ASYNC_FLUSH 異步刷盤
#- SYNC_FLUSH 同步刷盤
flushDiskType=ASYNC_FLUSH
#checkTransactionMessageEnable=false
#發消息線程池數量
#sendMessageThreadPoolNums=128
#拉消息線程池數量
#pullMessageThreadPoolNums=128
服務啟動
啟動name server
> nohup sh bin/mqnamesrv &
> tail -f logs/rocketmqlogs/namesrv.log
The Name Server boot success...
啟動broker
> nohup sh bin/mqbroker -n localhost:9876 -c conf/2m-noslave/broker-a.propertie &
> tail -f logs/rocketmqlogs/broker.log
The broker[%s, 172.30.30.233:10911] boot success...
關停服務
> sh bin/mqshutdown broker
The mqbroker(36695) is running...
Send shutdown request to mqbroker(36695) OK
> sh bin/mqshutdown namesrv
The mqnamesrv(36664) is running...
Send shutdown request to mqnamesrv(36664) OK
嘗試發送消息
> export NAMESRV_ADDR=localhost:9876
> sh bin/tools.sh org.apache.rocketmq.example.quickstart.Producer
SendResult [sendStatus=SEND_OK, msgId= ...
> sh bin/tools.sh org.apache.rocketmq.example.quickstart.Consumer
ConsumeMessageThread_%d Receive New Messages: [MessageExt...
常見報錯
發消息報錯
org.apache.rocketmq.remoting.exception.RemotingTooMuchRequestException: sendDefaultImpl call timeout
at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.sendDefaultImpl(DefaultMQProducerImpl.java:588)
at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.send(DefaultMQProducerImpl.java:1223)
at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.send(DefaultMQProducerImpl.java:1173)
at org.apache.rocketmq.client.producer.DefaultMQProducer.send(DefaultMQProducer.java:214)
at com.flying.demo.Producer.main(Producer.java:25)
原因:沒有配置brokerIP
部署 rockermq console
建議docker 部署
非docker部署參見官方文檔 https://github.com/apache/rocketmq-externals/tree/master/rocketmq-console
docker pull styletang/rocketmq-console-ng
docker run --name rocketmq-console -dit -e "JAVA_OPTS=-Drocketmq.namesrv.addr=127.0.0.1:9876 -Dcom.rocketmq.sendMessageWithVIPChannel=false -server -Xms512m -Xmx512m -Xmn256m -XX:PermSize=128m -XX:MaxPermSize=128m" -p 8080:8080 styletang/rocketmq-console-ng bash
# 進入docker查看
docker exec -it rocketmq-console /bin/bash
部署完成,到對應的端口查看即可。可以查看服務監控,歷史消息詳情,手動創建topic等。
docker 部署
官方鏡像 rocketmqinc/rocketmq
部署步驟參見 http://www.justdojava.com/2019/08/26/rocketmq-creator/
Java 示例
# 引入依賴
implementation 'org.apache.rocketmq:rocketmq-client:4.3.0'
package mq;
import org.apache.rocketmq.client.producer.DefaultMQProducer;
import org.apache.rocketmq.client.producer.SendResult;
import org.apache.rocketmq.common.message.Message;
import org.apache.rocketmq.remoting.common.RemotingHelper;
public class Producer {
public static void main(String[] args) throws Exception {
//創建一個消息生產者,並設置一個消息生產者組
DefaultMQProducer producer = new DefaultMQProducer("producer_test");
//指定 NameServer 地址
producer.setNamesrvAddr("127.0.0.1:9876");
//初始化 Producer,整個應用生命周期內只需要初始化一次
producer.start();
for (int i = 0; i < 5; i++) {
//創建一條消息對象,指定其主題、標簽和消息內容,如果服務不支持自動創建topic的話,需要先手動創建topic,也可以在rocketmq console里操作
Message msg = new Message(
"topic_test" /* 消息主題名 */,
"TagA" /* 消息標簽 */,
("Hello Java demo RocketMQ " + i).getBytes(RemotingHelper.DEFAULT_CHARSET) /* 消息內容 */
);
//發送消息並返回結果
SendResult sendResult = producer.send(msg);
System.out.printf("%s%n", sendResult);
}
// 一旦生產者實例不再被使用則將其關閉,包括清理資源,關閉網絡連接等
producer.shutdown();
}
}
package mq;
import org.apache.rocketmq.client.consumer.DefaultMQPushConsumer;
import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyContext;
import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyStatus;
import org.apache.rocketmq.client.consumer.listener.MessageListenerConcurrently;
import org.apache.rocketmq.common.consumer.ConsumeFromWhere;
import org.apache.rocketmq.common.message.MessageExt;
import java.io.UnsupportedEncodingException;
import java.util.Date;
import java.util.List;
public class Consumer {
public static void main(String[] args) throws Exception {
//創建一個消息消費者,並設置一個消息消費者組
DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("consumer_test");
//指定 NameServer 地址
consumer.setNamesrvAddr("127.0.0.1:9876");
//設置 Consumer 第一次啟動時從隊列頭部開始消費還是隊列尾部開始消費
consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);
//訂閱指定 Topic 下的所有消息
consumer.subscribe("topic_test", "*");
//注冊消息監聽器
consumer.registerMessageListener(new MessageListenerConcurrently() {
@Override
public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> list, ConsumeConcurrentlyContext context) {
//默認 list 里只有一條消息,可以通過設置參數來批量接收消息
if (list != null) {
for (MessageExt ext : list) {
try {
System.out.println(new Date() + new String(ext.getBody(), "UTF-8"));
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
}
}
return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
}
});
// 消費者對象在使用之前必須要調用 start 初始化
consumer.start();
System.out.println("消息消費者已啟動");
}
}