Question 1

How do I handle concurrent writes with JSON Flat File Data Store?

Accepted Answer

The README advises using a singleton instance in DI containers like ASP.NET to minimize conflicts, but it warns that multiple DataStores can become out of sync, so for true concurrency, consider a database with locking mechanisms.

Question 2

What's the performance impact of using full-text search on large collections?

Accepted Answer

Since all data is loaded into memory, full-text search is fast for small datasets but can degrade performance with large collections due to in-memory scanning. The README doesn't specify benchmarks, so test with your data size.

Question 3

JSON Flat File Data Store vs SQLite: which is better for a small .NET app?

Accepted Answer

JSON Flat File Data Store is simpler and requires no setup, ideal for prototypes or tiny apps. SQLite offers better concurrency, transactions, and scalability for slightly larger projects, but has more overhead.

Question 4

How to encrypt data using the optional AES-256 encryption feature?

Accepted Answer

Pass an encryptionKey parameter to the DataStore constructor, as shown in the README example. This encrypts the JSON file content on disk, but ensure you manage the key securely to avoid data loss.

Question 5

Does it support transactions or rollback operations?

Accepted Answer

No, the library lacks transaction support; operations are committed immediately to the file, so errors can leave data in an inconsistent state. The README doesn't mention rollbacks, making it unsuitable for critical data integrity needs.

Question 6

Can I use it with ASP.NET Core dependency injection?

Accepted Answer

Yes, the README recommends registering DataStore as a singleton in the DI container to maintain internal state and avoid file reload issues, but be mindful of memory usage in long-running applications.

Question 7

What are common pitfalls when using dynamic types with LINQ queries?

Accepted Answer

You may encounter CS1977 compiler errors with lambdas on dynamic types; the README suggests casting to object or using Predicate<dynamic>. Also, IEnumerable instead of IQueryable limits some LINQ optimizations.

JsonFlatFileDataStore

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