[feat][broker][PIP-195] Implement delayed message index bucket snapshot (create/load) - part2

[coderzc]

Master Issue: #16763

Motivation

#16763

Modifications

• Implement delayed message index bucket
• Implement delayed message index bucket snapshot (create/load)
• Reuse and refactor InMemoryDelayedDeliveryTracker
• Reuse and refactor InMemoryDeliveryTrackerTest
• Add test for BuketDelayedDeliveryTracker

Documentation

• [ ] doc-required (Your PR needs to update docs and you will update later)

• [x] doc-not-needed (Please explain why)

• [ ] doc (Your PR contains doc changes)

• [ ] doc-complete (Docs have been already added)

Matching PR in forked repository PR in forked repository: https://github.com/coderzc/pulsar/pull/2

[coderzc]

Dependent on #17344 and #17164

[coderzc]

@codelipenghui @gaoran10 @Technoboy- PTAL

[mattisonchao]

I will review it again tomorrow(test & logic), thanks for your great work!

[codecov-commenter]

Codecov Report

Merging #17611 (8405d13) into master (67d9d63) will increase coverage by 4.18%. The diff coverage is 9.63%.

@@             Coverage Diff              @@
##             master   #17611      +/-   ##
============================================
+ Coverage     40.29%   44.48%   +4.18%     
- Complexity     8685    10482    +1797     
============================================
  Files           687      752      +65     
  Lines         67441    72530    +5089     
  Branches       7225     7792     +567     
============================================
+ Hits          27175    32263    +5088     
+ Misses        37257    36591     -666     
- Partials       3009     3676     +667     

Flag	Coverage Δ
unittests	44.48% <9.63%> (+4.18%)	:arrow_up:

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...che/bookkeeper/mledger/impl/ManagedCursorImpl.java	36.81% <0.00%> (-0.09%)	:arrow_down:
...rg/apache/bookkeeper/mledger/impl/OpReadEntry.java	65.55% <ø> (+0.72%)	:arrow_up:
...va/org/apache/bookkeeper/mledger/util/Futures.java	55.88% <0.00%> (ø)
...rg/apache/pulsar/broker/delayed/bucket/Bucket.java	0.00% <0.00%> (ø)
...r/delayed/bucket/BucketDelayedDeliveryTracker.java	0.00% <0.00%> (ø)
.../pulsar/broker/delayed/bucket/ImmutableBucket.java	0.00% <0.00%> (ø)
...he/pulsar/broker/delayed/bucket/MutableBucket.java	0.00% <0.00%> (ø)
...sistent/PersistentDispatcherMultipleConsumers.java	51.15% <0.00%> (-7.19%)	:arrow_down:
...broker/delayed/AbstractDelayedDeliveryTracker.java	62.74% <62.74%> (ø)
...broker/delayed/InMemoryDelayedDeliveryTracker.java	68.33% <71.42%> (+3.33%)	:arrow_up:
... and 283 more

[coderzc]

/pulsarbot run-failure-checks