codelipenghui opened a new pull request, #17465:
URL: https://github.com/apache/pulsar/pull/17465
Fixes #17451
### Motivation
Improve the `ManagedCursorImpl.getNumberOfEntries()` if
`isUnackedRangesOpenCacheSetEnabled=true`.
Since the `ConcurrentOpenLongPairRangeSet` has the ability to get the acked
count for each Ledger,
the `ManagedCursorImpl` can avoid iterating each range to calculate the
acked count.
### Modifications
Make the `ConcurrentOpenLongPairRangeSet` able to get acked count.
### Verifying this change
Unit test for the new method introduced in `ConcurrentOpenLongPairRangeSet`
The `getNumberOfEntries()` change is already covered by the existing test
### Documentation
Check the box below or label this PR directly.
Need to update docs?
- [x] `doc-not-needed`
(Just an improvement for the presented implementation)
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