Use io.ReadAll() and add more persistence-related logs

[kklimonda-fn]

• Use io.ReadAll to read from object storage
• Add some more debug-level logs around persistent storage

Description of change

Checklist

• Tested in playground or other setup
• Screenshot (Grafana) from playground added to PR for 15+ minute run
• Documentation is changed or added
• Tests and/or benchmarks are included
• Breaking changes

Summary by CodeRabbit

• Refactor
  • Improved data retrieval from object storage for enhanced performance and reliability.
• Chores
  • Added debug log messages to assist in monitoring and troubleshooting.

[coderabbitai]

Walkthrough

The recent modifications involve enhancing the logging mechanism and streamlining data retrieval in an object storage system. Debug messages have been introduced to track missing cache keys and confirm when storage entries are cached in-memory. Additionally, the code for reading bytes from object storage has been refactored to utilize the io.ReadAll function, simplifying the process and potentially improving efficiency.

Changes

Files	Change Summary
pkg/objectstorage/object-storage.go	Added debug logs for key retrieval and error handling.
pkg/objectstorage/persistent-dmap.go	Added debug logs for cache operations.
.../object-storage.go, .../persistent-dmap.go	Replaced manual byte reading with io.ReadAll.
.../object-storage.go	Added io package import for implementing io.ReadAll.

Poem

🐇
In the burrows of the code, changes hop and abound,
Debug logs now in place, lost keys are found.
With io.ReadAll the bytes now flow,
A rabbit's touch, making the cache glow.

---

Tips

Chat

There are 3 ways to chat with CodeRabbit:

• Review comments: Directly reply to a review comment made by CodeRabbit. Example:
  • I pushed a fix in commit <commit_id>.
  • Generate unit-tests for this file.
• Files and specific lines of code (under the "Files changed" tab): Tag @coderabbitai in a new review comment at the desired location with your query. Examples:
  • @coderabbitai generate unit tests for this file.
  • @coderabbitai modularize this function.
• PR comments: Tag @coderabbitai in a new PR comment to ask questions about the PR branch. For the best results, please provide a very specific query, as very limited context is provided in this mode. Examples:
  • @coderabbitai generate interesting stats about this repository from git and render them as a table.
  • @coderabbitai show all the console.log statements in this repository.
  • @coderabbitai read src/utils.ts and generate unit tests.
  • @coderabbitai read the files in the src/scheduler package and generate a class diagram using mermaid and a README in the markdown format.

Note: Be mindful of the bot's finite context window. It's strongly recommended to break down tasks such as reading entire modules into smaller chunks. For a focused discussion, use review comments to chat about specific files and their changes, instead of using the PR comments.

CodeRabbit Commands (invoked as PR comments)

• @coderabbitai pause to pause the reviews on a PR.
• @coderabbitai resume to resume the paused reviews.
• @coderabbitai review to trigger a review. This is useful when automatic reviews are disabled for the repository.
• @coderabbitai resolve resolve all the CodeRabbit review comments.
• @coderabbitai help to get help.

Additionally, you can add @coderabbitai ignore anywhere in the PR description to prevent this PR from being reviewed.

CodeRabbit Configration File (.coderabbit.yaml)

• You can programmatically configure CodeRabbit by adding a .coderabbit.yaml file to the root of your repository.
• The JSON schema for the configuration file is available here.
• If your editor has YAML language server enabled, you can add the path at the top of this file to enable auto-completion and validation: # yaml-language-server: $schema=https://coderabbit.ai/integrations/coderabbit-overrides.v2.json

CodeRabbit Discord Community

Join our Discord Community to get help, request features, and share feedback.

[coderabbitai]

Review Status

Actionable comments generated: 0

Configuration used: CodeRabbit UI

Commits

Files that changed from the base of the PR and between 8e8a477 and e7d5118.

Files selected for processing (2)

• pkg/objectstorage/object-storage.go (3 hunks)
• pkg/objectstorage/persistent-dmap.go (2 hunks)

Additional comments: 7

pkg/objectstorage/persistent-dmap.go (2)

• 95-95: Adding a debug log for when a key is not found in the in-memory cache is a good practice for visibility and debugging.

• 127-127: The debug log indicating that an entry from storage has been saved in the in-memory cache is useful for tracking cache operations.

pkg/objectstorage/object-storage.go (5)

• 7-7: The import of the "io" package is necessary for the use of io.ReadAll.

• 113-113: Replacing manual byte reading with io.ReadAll simplifies the code and potentially improves efficiency.

• 99-99: The debug log for when an object is not found in object storage is helpful for debugging.

• 102-102: The error log for failing to create an object storage reader is important for error tracking.

• 119-119: The debug log indicating successful retrieval of data from object storage is useful for confirming operation success.