LeBW opened a new pull request #11553:
URL: https://github.com/apache/pulsar/pull/11553
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### Motivation
This is an improvement to
[PIP-70](https://github.com/apache/pulsar/wiki/PIP-70%3A-Introduce-lightweight-broker-entry-metadata).
Now the client is able to get the broker entry metadata.
### Modifications
1. increment the client protocol version from 17 to 18.
2. add a configuration `enableExposingBrokerEntryMetadataToClient` in the
broker configuration.
3. Let the broker send the broker entry metadata to the client when `client
protocol version >= 18` and `enableExposingBrokerEntryMetadataToClient` is true.
4. Add client support for broker entry metadata. Add two methods
`getBrokerPublishTime()` and `getIndex()` to utilize the broker entry metadata
in `Message`.
### Verifying this change
- [ ] Make sure that the change passes the CI checks.
Added test for `getBrokerPublishTime()` and `getIndex()`.
### Does this pull request potentially affect one of the following parts:
*If `yes` was chosen, please highlight the changes*
- Dependencies (does it add or upgrade a dependency): (no)
- The public API: (**yes**)
- The schema: (no)
- The default values of configurations: (no)
- The wire protocol: (**yes**)
- The rest endpoints: (no)
- The admin cli options: (no)
- Anything that affects deployment: (no)
### Documentation
#### For contributor
For this PR, do we need to update docs?
- If yes, please update docs or create a follow-up issue if you need help.
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