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今天就跟大家聊聊有關(guān)RocketMQ如何查詢(xún)死信隊(duì)列中的消息內(nèi)容,可能很多人都不太了解,為了讓大家更加了解,小編給大家總結(jié)了以下內(nèi)容,希望大家根據(jù)這篇文章可以有所收獲。
RocketMQ中當(dāng)重試消息超過(guò)最大重試次數(shù)(默認(rèn)16次),會(huì)被發(fā)送到%DLQ%開(kāi)頭的死信隊(duì)列,默認(rèn)死信隊(duì)列為只寫(xiě)權(quán)限。在有些情況下,想看看死信隊(duì)列里的內(nèi)容。
bin/mqadmin updateTopicPerm -c ClusterB -t %DLQ%online-tst -p 6 -n 192.168.1.x:9876 Java HotSpot(TM) 64-Bit Server VM warning: ignoring option PermSize=128m; support was removed in 8.0 Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=128m; support was removed in 8.0 update topic perm from 2 to 6 in 192.168.1.x:10911 success. update topic perm from 2 to 6 in 192.168.1.x:10911 success. update topic perm from 2 to 6 in 192.168.1.x:10911 success. update topic perm from 2 to 6 in 192.168.1.x:10911 success.
注:將死信隊(duì)列只寫(xiě)權(quán)限更改為讀寫(xiě)權(quán)限
bin/mqadmin topicStatus -n 192.168.1.x:9876 -t %DLQ%online-tst Java HotSpot(TM) 64-Bit Server VM warning: ignoring option PermSize=128m; support was removed in 8.0 Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=128m; support was removed in 8.0 Broker Name QID Min Offset Max Offset Last Updated broker-a 0 0 109 2018-12-10 18:03:08,732 broker-a 1 0 109 2018-12-10 18:03:08,740 broker-a 2 0 110 2018-12-10 18:03:08,750 broker-a 3 0 109 2018-12-10 18:03:08,728
bin/mqadmin queryMsgByOffset -n localhost:9876 -t %DLQ%online-tst -b broker-a -i 0 -o 108 Java HotSpot(TM) 64-Bit Server VM warning: ignoring option PermSize=128m; support was removed in 8.0 Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=128m; support was removed in 8.0 OffsetID: 0A090F2800002A9F000000D70519DD35 OffsetID: 0A090F2800002A9F000000D70519DD35 Topic: %DLQ%online-tst Tags: [null] Keys: [null] Queue ID: 0 Queue Offset: 108 CommitLog Offset: 923503549749 Reconsume Times: 0 Born Timestamp: 2018-12-10 17:59:24,731 Store Timestamp: 2018-12-10 18:03:08,732 Born Host: 10.10.128.183:51889 Store Host: 10.9.15.40:10911 System Flag: 0 Properties: {MIN_OFFSET=0, MAX_OFFSET=109, UNIQ_KEY=0A0A80B78DE818B4AAC22FA2493B01B2, WAIT=true} Message Body Path: /tmp/rocketmq/msgbodys/0A0A80B78DE818B4AAC22FA2493B01B2
注:使用打印命令消息臨時(shí)存儲(chǔ)在/tmp/rocketmq/msgbodys
cat /tmp/rocketmq/msgbodys/0A0A80B78DE818B4AAC22FA2490F01AE Hello RocketMQ430
看完上述內(nèi)容,你們對(duì)RocketMQ如何查詢(xún)死信隊(duì)列中的消息內(nèi)容有進(jìn)一步的了解嗎?如果還想了解更多知識(shí)或者相關(guān)內(nèi)容,請(qǐng)關(guān)注億速云行業(yè)資訊頻道,感謝大家的支持。
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