A Minecraft modder is developing a modpack focused on mech action inspired by Armored Core, set in a post-apocalyptic world where players can explore, obtain, and upgrade their own mech.
Top 5 Caching Strategies Explained:
1. ๐๐๐๐ ๐๐ก๐ซ๐จ๐ฎ๐ ๐ก: The application always queries the cache first. If the data is not in the cache (cache miss), the cache itself fetches it from the database and stores it for future requests.
Pros: Simplifies application logic, ensures cache always has fresh data.
Cons: Higher cache complexity, might not suit write-heavy systems.
๐ Best for: Read-heavy apps like CDNs, social media feeds, and user profiles.
2. ๐๐๐๐ก๐ ๐๐ฌ๐ข๐๐ (๐๐๐ณ๐ฒ ๐๐จ๐๐๐ข๐ง๐ ): The application first checks the cache. If the data isn't found (cache miss), it fetches it from the database and stores it in the cache for subsequent requests.
Pros: Keeps cache small, avoids unnecessary data in memory.
Cons: Cache misses can be expensive, risk of stale data if updates are frequent.
๐ Best for: Systems with a high read-to-write ratio, like e-commerce sites.
3. ๐๐ซ๐ข๐ญ๐ ๐๐ก๐ซ๐จ๐ฎ๐ ๐ก: Every write operation is first stored in the cache, then immediately written to the database.
Pros: Ensures cache and database are always in sync.
Cons: Higher write latency, unnecessary caching of rarely accessed data.
๐ Best for: Consistency-critical systems, such as financial apps.
4. ๐๐ซ๐ข๐ญ๐ ๐๐ซ๐จ๐ฎ๐ง๐: The application directly writes to the database, bypassing the cache. The cache gets updated only when a read request occurs.
Pros: Avoids caching rarely accessed data.
Cons: Higher cache miss rate, causing frequent database reads.
๐ Best for: Write-heavy systems where data isnโt immediately needed, like logging systems.
5. ๐๐ซ๐ข๐ญ๐ ๐๐๐๐ค: Data is first written to the cache, and the cache asynchronously updates the database in the background.
Pros: Super-fast writes, reduces database load.
Cons: Risk of data loss if the cache crashes before syncing with the database.
๐ Best for: High-write throughput systems, such as social media feeds.
๐๐ก๐ข๐๐ก ๐๐๐๐ก๐ข๐ง๐ ๐๐ญ๐ซ๐๐ญ๐๐ ๐ฒ ๐๐ก๐จ๐ฎ๐ฅ๐ ๐๐จ๐ฎ ๐๐ฌ๐?
- If reads are more frequent โ Read-Through / Cache-Aside
- If writes need to be consistent โ Write-Through
- If you want to minimize unnecessary caching โ Write-Around
- If you need ultra-fast writes โ Write-Back
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