09、RocketMQ实战:mqadmin命令

在mq解压目录的bin目录下有一个mqadmin命令,该命令是一个运维指令,用于对mq的主题,集群,broker 等信息进行管理。

1 修改bin/tools.sh

在运行mqadmin命令之前,先要修改mq解压目录下bin/tools.sh配置的JDK的ext目录位置。本机的ext目录在/usr/java/jdk1.8.0_161/jre/lib/ext 。
使用vim命令打开tools.sh文件,并在JAVA_OPT配置的-Djava.ext.dirs这一行的后面添加ext的路径。
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JAVA_OPT="${JAVA_OPT} -server -Xms1g -Xmx1g -Xmn256m -
XX:MetaspaceSize=128m -XX:MaxMetaspaceSize=128m"
JAVA_OPT="${JAVA_OPT} -
Djava.ext.dirs=${BASE_DIR}/lib:${JAVA_HOME}/jre/lib/ext:${JAVA_HOME}/lib/
ext:/usr/java/jdk1.8.0_161/jre/lib/ext"
JAVA_OPT="${JAVA_OPT} -cp ${CLASSPATH}"

2 运行mqadmin

直接运行该命令,可以看到其可以添加的commands。通过这些commands可以完成很多的功能。

[root@mqOS rocketmq-all-4.8.0-bin-release]# ./bin/mqadmin
The most commonly used mqadmin commands are:
updateTopic Update or create topic
deleteTopic Delete topic from broker and NameServer.
updateSubGroup Update or create subscription group
deleteSubGroup Delete subscription group from broker.
updateBrokerConfig Update broker’s config
updateTopicPerm Update topic perm
topicRoute Examine topic route info
topicStatus Examine topic Status info
topicClusterList get cluster info for topic
brokerStatus Fetch broker runtime status data
queryMsgById Query Message by Id
queryMsgByKey Query Message by Key
queryMsgByUniqueKey Query Message by Unique key
queryMsgByOffset Query Message by offset
QueryMsgTraceById query a message trace
printMsg Print Message Detail
printMsgByQueue Print Message Detail
sendMsgStatus send msg to broker.
brokerConsumeStats Fetch broker consume stats data
producerConnection Query producer’s socket connection and client
version
consumerConnection Query consumer’s socket connection, client
version and subscription
consumerProgress Query consumers’s progress, speed
consumerStatus Query consumer’s internal data structure
cloneGroupOffset clone offset from other group.
clusterList List all of clusters
topicList Fetch all topic list from name server
updateKvConfig Create or update KV config.
deleteKvConfig Delete KV config.
wipeWritePerm Wipe write perm of broker in all name server
resetOffsetByTime Reset consumer offset by timestamp(without
client restart).
updateOrderConf Create or update or delete order conf
cleanExpiredCQ Clean expired ConsumeQueue on broker.
cleanUnusedTopic Clean unused topic on broker.
startMonitoring Start Monitoring
statsAll Topic and Consumer tps stats
allocateMQ Allocate MQ
checkMsgSendRT check message send response time
clusterRT List All clusters Message Send RT
getNamesrvConfig Get configs of name server.
updateNamesrvConfig Update configs of name server.
getBrokerConfig Get broker config by cluster or special broker!
queryCq Query cq command.
sendMessage Send a message
consumeMessage Consume message
updateAclConfig Update acl config yaml file in broker
deleteAccessConfig Delete Acl Config Account in broker
clusterAclConfigVersion List all of acl config version information in
cluster
updateGlobalWhiteAddr Update global white address for acl Config File
in broker
getAccessConfigSubCommand List all of acl config information in
cluster

3 该命令的官网详解

该命令在官网中有详细的用法解释。
https://github.com/apache/rocketmq/blob/master/docs/cn/operation.md
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