Versions Compared

Old Version 228

changes.mady.by.user Federico Valeri

Saved on

compared with

New Version 229

changes.mady.by.user Federico Valeri

Saved on

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

...

Code Block
languagebash
$ bin/kafka-dump-log.sh --mirror-state-decoder --files /tmp/server*/data/__mirror_state-1/00000000000000000000.log
Dumping /home/fvaleri/Documents/kafka/build/test/server4/data/__mirror_state-0/00000000000000000000.log
Log starting offset: 0
baseOffset: 0 lastOffset: 0 count: 1 baseSequence: -1 lastSequence: -1 producerId: -1 producerEpoch: -1 partitionLeaderEpoch: 0 isTransactional: false isControl: false deleteHorizonMs: OptionalLong.empty position: 0 CreateTime: 1771239071191 size: 98 magic: 2 compresscodec: none crc: 3314855113 isvalid: true
| offset: 0 CreateTime: 1771239071191 keySize: 13 valueSize: 17 sequence: -1 headerKeys: [] key: {"type":"2","data":{"mirrorName":"my-mirror"}} payload: {"version":"0","data":{"topicName":"my-topic","partition":0,"state":0}}
baseOffset: 1 lastOffset: 1 count: 1 baseSequence: -1 lastSequence: -1 producerId: -1 producerEpoch: -1 partitionLeaderEpoch: 0 isTransactional: false isControl: false deleteHorizonMs: OptionalLong.empty position: 98 CreateTime: 1771239071219 size: 98 magic: 2 compresscodec: none crc: 3968746657 isvalid: true
| offset: 1 CreateTime: 1771239071219 keySize: 13 valueSize: 17 sequence: -1 headerKeys: [] key: {"type":"2","data":{"mirrorName":"my-mirror"}} payload: {"version":"0","data":{"topicName":"my-topic","partition":0,"state":1}}

Alternatively, you can use the new message formatter to consume from the internal metadata topic:

Code Block
languagebash
$ bin/kafka-console-consumer.sh --bootstrap-server :9094 --topic __mirror_state --from-beginning \
  --formatter org.apache.kafka.tools.consumer.MirrorStateMessageFormatter
{"key":{"type":2,"data":{"mirrorName":"my-mirror"}},"value":{"version":0,"data":{"topicName":"my-topic","partition":0,"state":0}}}
{"key":{"type":2,"data":{"mirrorName":"my-mirror"}},"value":{"version":0,"data":{"topicName":"my-topic","partition":0,"state":2}}}

A new command-line tool tool kafka-mirrors.sh provides administrative operations for managing cluster mirrors:

...