THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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{
"apiKey": 0,
"type": "metadataRecord",
"name": "BrokerRecord",
"validVersions": "0",
"fields": [
{ "name": "BrokerId", "type": "int32", "versions": "0+",
"about": "The broker id." },
{ "name": "BrokerEpoch", "type": "int64", "versions": "0+",
"about": "The broker epoch." },
{ "name": "EndPoints", "type": "[]BrokerEndpoint", "versions": "0+",
"about": "The endpoints that can be used to communicate with this broker.", "fields": [
{ "name": "Name", "type": "string", "versions": "0+", "mapKey": true,
"about": "The name of the endpoint." },
{ "name": "Host", "type": "string", "versions": "0+",
"about": "The hostname." },
{ "name": "Port", "type": "int16", "versions": "0+",
"about": "The port." },
{ "name": "SecurityProtocol", "type": "int16", "versions": "0+",
"about": "The security protocol." }
]},
{ "name": "Rack", "type": "string", "versions": "0+", "nullableVersions": "0+",
"about": "The broker rack." }
]
}
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TopicRecord
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{
"apiKey": 1,
"type": "metadataRecord",
"name": "TopicRecord",
"validVersions": "0",
"fields": [
{ "name": "Name", "type": "string", "versions": "0+",
"about": "The topic name." },
{ "name": "TopicId", "type": "uuid", "versions": "0+",
"about": "The unique ID of this topic." },
{ "name": "Deleting", "type": "boolean", "versions": "0+",
"about": "True if this topic is in the process of being deleted." }
]
}
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As described above, this KIP outlines a new mode that the broker can run in, KIP-500 mode. For now, this mode will be experimental, and there will be no way to migrate existing clusters from legacy mode to KIP-500 mode. We plan on outlining how this upgrade process will work in a follow-on KIP. We do plan on deprecating legacy mode eventually, but we are not quite ready to do it yet in this KIP.
Since KIP-500 mode is currently in a pre-alpha state, we do not guarantee that future versions will support upgrading from the current version of it yet. Once it is more stable, we will have a more traditional binary compatibility regime.
Rejected Alternatives
Support Automatic Broker ID Assignment
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