gaozhangmin opened a new pull request #10853:
URL: https://github.com/apache/pulsar/pull/10853
Fixes #9488
### Motivation
Add ability to calculate backlog size given a message id.
### Modifications
In Admin Rest API and CLI add option to getBacklogSizeByMessageId
### Verifying this change
- [ ] Make sure that the change passes the CI checks.
*(Please pick either of the following options)*
This change added tests and can be verified as follows:
### 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): (yes / no) no
- The public API: (yes / no) yes (added option to get topic's backlog size
given a message id)
- The schema: (yes / no / don't know) no
- The default values of configurations: (yes / no) no
- The wire protocol: (yes / no) no
- The rest endpoints: (yes / no) no
- The admin cli options: (yes / no)yes
- Anything that affects deployment: (yes / no / don't know)no
### Documentation
- Does this pull request introduce a new feature? (yes / no) yes
- If yes, how is the feature documented? (not applicable / docs / JavaDocs
/ not documented)JavaDocs
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