GreptimeTeam / greptimedb

An open-source, cloud-native, distributed time-series database with PromQL/SQL/Python supported. Available on GreptimeCloud.
https://greptime.com/
Apache License 2.0
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feat(puffin): implement MokaCacheManager #4211

Closed zhongzc closed 3 days ago

zhongzc commented 1 week ago

I hereby agree to the terms of the GreptimeDB CLA.

Refer to a related PR or issue link (optional)

4193

What's changed and what's your intention?

as @coderabbitai said

Checklist

Summary by CodeRabbit

coderabbitai[bot] commented 1 week ago

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Walkthrough

The latest updates introduce several new libraries and dependencies in Cargo.toml, enhance error handling in error.rs, modify the PuffinReader trait in puffin_manager.rs, and add a new cache management module with moka in cache_manager.rs. Additionally, there are adjustments to generics within CachedPuffinWriter in writer.rs to support improved cache functionalities.

Changes

Files/Paths Change Summary
.../Cargo.toml Added base64, common-runtime, common-telemetry, moka, sha2, and common-test-util dependencies.
.../error.rs Added error variants for file operations like creation, renaming, and removal, with associated IoError and Location details.
.../puffin_manager.rs Updated PuffinReader trait to return Result<Self::Dir> and added type Dir: DirGuard.
.../cache_manager.rs Added moka_cache_manager module.
.../cahce_manager/moka_cache_manager.rs Introduced MokaCacheManager and related structs for managing caches using the moka library.
.../cache_manager/cached_puffin_manager/writer.rs Modified CachedPuffinWriter to handle new generic types for cache management.

Sequence Diagram(s)

sequenceDiagram
    participant Client
    participant CachedPuffinWriter
    participant MokaCacheManager
    participant DiskStorage
    Client ->> CachedPuffinWriter: write(data)
    CachedPuffinWriter ->> MokaCacheManager: put_dir(data)
    MokaCacheManager ->> DiskStorage: save(data)
    DiskStorage -->> MokaCacheManager: success
    MokaCacheManager -->> CachedPuffinWriter: success
    CachedPuffinWriter -->> Client: success

Poem

🐇 In the land of code so bright, New libraries join the fight. Errors handled with such might, Puffin's cache now takes flight. Moka sprinkles magic dust, File ops now robust. With this change, we trust, Code will never bust! 🌟


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codecov[bot] commented 1 week ago

Codecov Report

Attention: Patch coverage is 90.81921% with 65 lines in your changes missing coverage. Please review.

Project coverage is 84.51%. Comparing base (5dde148) to head (bce5b5d). Report is 17 commits behind head on main.

Additional details and impacted files ```diff @@ Coverage Diff @@ ## main #4211 +/- ## ========================================== - Coverage 84.84% 84.51% -0.34% ========================================== Files 1040 1049 +9 Lines 182889 186229 +3340 ========================================== + Hits 155167 157386 +2219 - Misses 27722 28843 +1121 ```
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