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
queryMsgByUniqueKey Query Message by Unique key
printMsg 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
syncDocs Synchronize wiki and issue to github.com
allocateMQ Allocate MQ
checkMsgSendRT Check message send response time
clusterRT List All clusters Message Send RT
有关特定命令的信息（如clusterList），你只需要输入bash mqadmin help clusterList：
usage: mqadmin clusterList [-h] [-i <arg>] [-m] [-n <arg>]
-h,--help Print help
-i,--interval <arg> specify intervals numbers, it is in seconds
-m,--moreStats Print more stats
-n,--namesrvAddr <arg> Name server address list, eg: 192.168.0.1:9876;192.168.0.2:9876
