Reverts entity data without locking for better performance #1452
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@coderabbitai full review please |
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@shubham1g5: I will perform a full review of the PR. ✅ Actions performedFull review triggered. |
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Actionable comments posted: 1
🧹 Outside diff range and nitpick comments (1)
src/main/java/org/commcare/cases/entity/AsyncEntity.java (1)
138-138: Document the locking strategyThe class uses a complex locking strategy with both database-level locks and object-level synchronization. While there's a comment about lock ordering, it would be valuable to add comprehensive documentation about:
- The exact order of lock acquisition
- Why this order prevents deadlocks
- Which operations require which locks
Add a class-level documentation block like:
/** * Threading Model: * This class uses two levels of locking: * 1. Database-level locking (via EntityStorageCache) * 2. Object-level locking (via mAsyncLock) * * Lock Ordering: * To prevent deadlocks, locks must be acquired in the following order: * 1. First acquire the database lock (via lockCache()) * 2. Then acquire the object lock (via synchronized(mAsyncLock)) * * Operations requiring both locks: * - Writing to the cache * - Reading from the cache when value isn't in memory * * Operations requiring only object lock: * - Reading/writing in-memory values */
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📒 Files selected for processing (1)
src/main/java/org/commcare/cases/entity/AsyncEntity.java(1 hunks)
🔇 Additional comments (1)
src/main/java/org/commcare/cases/entity/AsyncEntity.java (1)
Line range hint 138-179: Verify performance impact of lock changes
While the changes aim to improve performance by avoiding unnecessary locks, we should verify the actual impact on loading times, especially for the mentioned case of 10,000 entries.
Run the following script to analyze lock-related patterns in the codebase:
…improve performance
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Technical Summary
Return entity data if available without extra overhead caused by aquiring a db lock.
Safety Assurance
Safety story
I can't imagine us needing a db lock just to return a set variable which is all this PR does.
Automated test coverage
NA
QA Plan
None
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Summary by CodeRabbit
New Features
Bug Fixes