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linux下搭建rocketmq(附服務腳本)

linux mq rocketmq rocketmq腳本

此文檔安裝的是rocketmq當前最新版本rocketmq v4.0.0,當時阿裏已經把rocketmq捐贈給了apache組織,為什麽要特別指明這一點,因為在下載、安裝和服務腳本中有個別不同的地方。這是本人第一篇博客,如果排版不是很清楚,請評論中指明,以糾正自己的編寫習慣。

一、安裝rocketmq

1、安裝要求

64bit OS, Linux/Unix/Mac is recommended;    
64bit JDK 1.7+;
Maven 3.2.x;
Git

2、克隆和編譯

> git clone -b develop https://github.com/apache/incubator-rocketmq.git
   會在當前目錄下生成“incubator-rocketmq”目錄,接下來的部分操作都是在這個目錄下進
> cd incubator-rocketmq
> mvn -Prelease-all -DskipTests clean install -U
   此步驟時間會比較長,請耐心等待,執行成功會生成多個目錄。這是編譯過程,我們後續操作只需要在編譯過程生成的distribution/target/apache-rocketmq目錄中進行,通常為了方便,我們把這個目錄拷貝出來。
> cd distribution/target/apache-rocketmq

此時需要註意的是:啟動的時候先啟動Name server 停止的時候先停止Broker

3、嘗試啟動"Name Server"

> nohup sh bin/mqnamesrv &
> tail -f ~/logs/rocketmqlogs/namesrv.log
    日誌文件會自動生成
The Name Server boot success…

4、嘗試啟動"Broker"

> nohup sh bin/mqbroker -n localhost:9876 &
> tail -f ~/logs/rocketmqlogs/broker.log
The broker[%s, 172.30.30.233:10911] boot success...


5、停止"Broker"服務

> sh bin/mqshutdown broker    
The mqbroker(36695) is running...
Send shutdown request to mqbroker(36695) OK

6、停止"Name Server"服務

> sh bin/mqshutdown namesrv    
The mqnamesrv(36664) is running...
Send shutdown request to mqnamesrv(36664) OK

在測試完成之後,說明安裝成功,一切都能正常運行,此安裝過程是摘自官方文檔,有何異議請移步官方文檔 https://rocketmq.incubator.apache.org/


二、配置mqbroker

1、 通常我們使用是以集群模式運行Broker

Broker集群有多種配置方式:
1,單Master
   優點:除了配置簡單沒什麽優點
   缺點:不可靠,該機器重啟或宕機,將導致整個服務不可用
2,多Master
   優點:配置簡單,性能最高
   缺點:可能會有少量消息丟失(配置相關),單臺機器重啟或宕機期間,該機器下未被消費的消息在機器恢復前不可訂閱,影響消息實時性
3,多Master多Slave,每個Master配一個Slave,有多對Master-Slave,集群采用異步復制方式,主備有短暫消息延遲,毫秒級
   優點:性能同多Master幾乎一樣,實時性高,主備間切換對應用透明,不需人工幹預
   缺點:Master宕機或磁盤損壞時會有少量消息丟失
4,多Master多Slave,每個Master配一個Slave,有多對Master-Slave,集群采用同步雙寫方式,主備都寫成功,向應用返回成功
   優點:服務可用性與數據可用性非常高
   缺點:性能比異步集群略低,當前版本主宕備不能自動切換為主


2、配置文件默認存在的

[[email protected] conf]# ls    
2m-2s-async  2m-noslave  broker.conf.bak     logback_filtersrv.xml  logback_tools.xml
2m-2s-sync   brk.conf    logback_broker.xml  logback_namesrv.xml

其中m表示主節點,s表示從節點,以哪種集群形式運行,去配置文件中修改即可,之後在服務腳本中調用就行了。這裏我們只是運行單節點broker,具體的集群模式請再自行琢磨,把默認的broker.conf 做備份,並復制一份配置文件出來,重命名為brk.conf 這個名字是隨意起的,建議見名知意,方便在腳本中調用。

3、# cat brk.conf

brokerClusterName = onebroker    
brokerName = broker-a
brokerId = 0   0表示master,1表示slave
deleteWhen = 04
fileReservedTime = 48
brokerRole = ASYNC_MASTER
flushDiskType = ASYNC_FLUSH
namesrvAddr = mycat:9876   指明mqname server
storePathRootDir = /data/rocketmq/store
storePathCommitLog = /data/rocketmq/store/commitlog
autoCreateTopicEnable = true
autoCreateSubscriptionGroup = true

4、通常

/data/rocketmq/store/data/rocketmq/store/commitlog是需要手動創建的

為了安全起見,我們使用mq用戶啟動和關閉服務

# useradd mq
# chown -R mq:mq /data/rocketmq/
# chown -R mq:mq /opt/apache-rocketmq

三、提供服務腳本


# cat /etc/init.d/mqnamesrv

#!/bin/bash
# chkconfig: 2345 55 25
# description:MQ  manmger
. /etc/rc.d/init.d/functions


start()
{
	status
	if [ $? -ne 0 ] 
	then
		echo ‘start rocketmq-namserv......‘
#####################################需要修改的就是下面一行#########################################
		su - mq -c "nohup /opt/apache-rocketmq/bin/mqnamesrv &> /data/rocketmq/logs/mq_namser.log &"
		if [ $? -eq 0 ];then
			echo "started......"
		fi
	fi
}

stop()
{
	pid=`ps ax | grep -i ‘org.apache.rocketmq.namesrv.NamesrvStartup‘ |grep java | grep -v grep | awk ‘{print $1}‘`

	if [ -z "$pid" ] ; then
			echo "No mqnamesrv running."
			return 2;
	
	else

	echo "The mqnamesrv(${pid}) is running..."

	kill ${pid}

	echo "Send shutdown request to mqnamesrv(${pid}) OK"
	fi
}

restart() {
	stop
	start
}
status() {
	pid=`ps ax | grep -i ‘org.apache.rocketmq.namesrv.NamesrvStartup‘ |grep java | grep -v grep | awk ‘{print $1}‘`
	if [ -z "$pid" ] ; then
			echo "No mqnamesrv running."
			return 1;
	fi

	echo "The mqnamesrv(${pid}) is running..."
	return 0


}
case "$1" in
	start)
		start
		;;
	stop)
		stop
		;;
	restart)
		restart
		;;
	status)
		status
		;;
	*)
		echo $"Usage: $0 {start|stop|restart|tatus}"
esac

# cat /etc/init.d/mqbroker

#!/bin/bash
# chkconfig: 2345 95 25
# description:MQ  manmger
. /etc/rc.d/init.d/functions


start()
{
	pid=`ps ax | grep -i ‘org.apache.rocketmq.broker.BrokerStartup‘ |grep java | grep -v grep | awk ‘{print $1}‘`
	if [ -z "$pid" ] ; then
		###調用腳本啟動mq-master-1.properties
			echo ‘start rocketmq-broker......‘
			su - mq -c "nohup /opt/apache-rocketmq/bin/mqbroker -c /opt/apache-rocketmq/conf/brk.conf &> /data/rocketmq/logs/mqbroker.log &"
			sleep 1
			newpid=`ps ax | grep -i ‘org.apache.rocketmq.broker.BrokerStartup‘ |grep java | grep -v grep | awk ‘{print $1}‘`
			echo "restart mqbroker(${newpid}) is running success..."
	else
		echo "The mqbroker(${pid}) is running..."
	fi
}

stop()
{
	pid=`ps ax | grep -i ‘org.apache.rocketmq.broker.BrokerStartup‘ |grep java | grep -v grep | awk ‘{print $1}‘`
	if [ -z "$pid" ] ; then
			echo "No mqbroker running."
			return 2;
	
	else

	echo "The mqbroker(${pid}) is running..."

	echo -e "Send shutdown  to mqbroker(${pid})\c"
	kill ${pid}
	oldpid=$pid
	while [ ${oldpid} ]
	do
		oldpid=`ps ax | grep -i ‘org.apache.rocketmq.broker.BrokerStartup‘ |grep java | grep -v grep | awk ‘{print $1}‘`
		echo -e ‘!\c‘
		sleep 1
	done
	echo -e "\nSend shutdown request to mqbroker(${pid}) OK"
	fi
}

status() {
	pid=`ps ax | grep -i ‘org.apache.rocketmq.broker.BrokerStartup‘ |grep java | grep -v grep | awk ‘{print $1}‘`
	if [ -z "$pid" ] ; then
			echo "No mqbroker running."
			return 1;
	fi

	echo "The mqbroker(${pid}) is running..."
	return 0


}
case "$1" in
	start)
		start
		;;
	stop)
		stop
		;;
	restart)
		stop
		start
		;;
	status)
		status
		;;
	*)
		echo $"Usage: $0 {start|stop|restart|tatus}"
esac

啟動服務的時候,要先啟動mqnamesrv後啟動mqbroker,到此為止,安裝和配置過程結束,至於rocketmq還有更多的玩法,待後續研究,希望對大家有所幫助。


本文出自 “tianxi” 博客,請務必保留此出處http://tianxi.blog.51cto.com/12735181/1922653

linux下搭建rocketmq(附服務腳本)