💡Caching is effective for improving performance but comes with challenges.
🔍Stale data is a common problem in caching, but can be solved with cache invalidation.
💭The cach aside pattern, like lazy loading, can help reduce database queries and improve performance.
⏰Write through caching ensures that the cache is always up to date with the database.
🗂️Caching strategies such as eviction policies and expiration can help manage cache size and data freshness.
What is cache invalidation?
—Cache invalidation is the process of removing or updating cached data when it becomes stale or outdated.
How does cach aside pattern work?
—In the cach aside pattern, data is first fetched from the cache. If it's not found, it is then retrieved from the database and stored in the cache for future use.
What are the benefits of write through caching?
—Write through caching ensures that the cache is always up to date with the database, reducing stale data issues and improving data consistency.
How can cache size be managed?
—Cache size can be managed through eviction policies, which determine which data should be removed from the cache when it becomes full.
What is data expiration in caching?
—Data expiration in caching refers to setting a time limit for how long data should be stored in the cache before it is considered stale and needs to be refreshed from the source.
00:00Caching is effective for improving performance in web applications, but it comes with challenges.
00:20Stale data is a common problem in caching, which occurs when the cached data no longer matches the data in the database.
00:38The cach aside pattern, also known as lazy loading, can help reduce database queries and improve performance.
01:52Write through caching ensures that the cache is always up to date with the database, reducing stale data issues.
09:59Caching strategies such as eviction policies and expiration can help manage cache size and data freshness.
