[ENH] Quantized Spann Segment Reader

[Sicheng-Pan]

Description of changes

Summarize the changes made by this PR.

• Improvements & Bug fixes
  • Extended existing test_persist to use the reader impl
• New functionality
  • Introducing quantized spann segment reader

Test plan

How are these changes tested?

• Tests pass locally with pytest for python, yarn test for js, cargo test for rust

Migration plan

Are there any migrations, or any forwards/backwards compatibility changes needed in order to make sure this change deploys reliably?

Observability plan

What is the plan to instrument and monitor this change?

Documentation Changes

Are all docstrings for user-facing APIs updated if required? Do we need to make documentation changes in the docs section?

[github-actions]

Reviewer Checklist

Please leverage this checklist to ensure your code review is thorough before approving

Testing, Bugs, Errors, Logs, Documentation

• Can you think of any use case in which the code does not behave as intended? Have they been tested?
• Can you think of any inputs or external events that could break the code? Is user input validated and safe? Have they been tested?
• If appropriate, are there adequate property based tests?
• If appropriate, are there adequate unit tests?
• Should any logging, debugging, tracing information be added or removed?
• Are error messages user-friendly?
• Have all documentation changes needed been made?
• Have all non-obvious changes been commented?

System Compatibility

• Are there any potential impacts on other parts of the system or backward compatibility?
• Does this change intersect with any items on our roadmap, and if so, is there a plan for fitting them together?

Quality

• Is this code of a unexpectedly high quality (Readability, Modularity, Intuitiveness)

[Sicheng-Pan]

Warning

This pull request is not mergeable via GitHub because a downstack PR is open. Once all requirements are satisfied, merge this PR as a stack on Graphite.
Learn more

• [ENH] Wire up quantized reader in new orchestrator #6409
• [ENH] Quantized Spann Segment Reader #6405 👈 (View in Graphite)
• [ENH] Wire up quantized writer in compaction #6399
• [ENH] Quantized Spann Segment Writer #6397
• main

This stack of pull requests is managed by Graphite. Learn more about stacking.

[blacksmith-sh]

Found 1 test failure on Blacksmith runners:

Failure

Test	View Logs
chroma-segment/quantized_spann::test::test_quantized_spann_segment_writer_persist	View Logs

OOM Events Detected

• Job Python tests / test-rust-bindings-stress (3.9) has run into an OOM error.