InterviewExplainer

🌱

Beginner

0–2 yrs

1 Qs

1

Redis vs Memcached: Choosing the Right Cache

Easy 8m

⚡

Intermediate

2–5 yrs

12 Qs

1

Redis Data Structures: String, Hash, List, Set, ZSet, and Stream

Medium 8m

2

Cache-Aside vs Write-Through vs Write-Behind Caching Strategies

Medium 8m

3

Cache Invalidation Strategies in Spring Boot with Redis

Medium 8m

4

Redis Persistence: RDB vs AOF

Medium 8m

5

Spring Cache Abstraction with Redis (@Cacheable, @CacheEvict)

Medium 8m

6

Spring Session + Redis for Distributed Session Storage

Medium 8m

7

Caffeine Cache: Configuration, Policies, Stats

Medium 8m

8

Redis Cluster vs Redis Sentinel: High Availability and Horizontal Scaling

Medium 8m

9

Redis Atomicity Toolkit: Lua Scripts, Pipelining, and MULTI/EXEC

Medium 8m

10

Redis Memory Optimization: Eviction Policies and maxmemory Configuration

Medium 8m

11

Redis vs Memcached vs Caffeine vs Hazelcast

Medium 8m

12

Redis Pub/Sub vs Apache Kafka

Medium 8m

🚀

Advanced

5+ yrs

3 Qs

1

Cache Stampede (Thundering Herd) Problem and Solutions

Hard 8m

2

Distributed Locking with Redisson in Spring Boot

Hard 8m

3

Rate Limiting with Redis: INCR+EXPIRE and Sliding Window

Hard 8m

Beginner

Redis vs Memcached: Choosing the Right Cache

Intermediate

Redis Data Structures: String, Hash, List, Set, ZSet, and Stream

Cache-Aside vs Write-Through vs Write-Behind Caching Strategies

Cache Invalidation Strategies in Spring Boot with Redis

Redis Persistence: RDB vs AOF

Spring Cache Abstraction with Redis (@Cacheable, @CacheEvict)

Spring Session + Redis for Distributed Session Storage

Caffeine Cache: Configuration, Policies, Stats

Redis Cluster vs Redis Sentinel: High Availability and Horizontal Scaling

Redis Atomicity Toolkit: Lua Scripts, Pipelining, and MULTI/EXEC

Redis Memory Optimization: Eviction Policies and maxmemory Configuration

Redis vs Memcached vs Caffeine vs Hazelcast

Redis Pub/Sub vs Apache Kafka

Advanced

Cache Stampede (Thundering Herd) Problem and Solutions

Distributed Locking with Redisson in Spring Boot

Rate Limiting with Redis: INCR+EXPIRE and Sliding Window

See Redis in context

Beginner

Redis vs Memcached: Choosing the Right Cache

Intermediate

Redis Data Structures: String, Hash, List, Set, ZSet, and Stream

Cache-Aside vs Write-Through vs Write-Behind Caching Strategies

Cache Invalidation Strategies in Spring Boot with Redis

Redis Persistence: RDB vs AOF

Spring Cache Abstraction with Redis (@Cacheable, @CacheEvict)

Spring Session + Redis for Distributed Session Storage

Caffeine Cache: Configuration, Policies, Stats

Redis Cluster vs Redis Sentinel: High Availability and Horizontal Scaling

Redis Atomicity Toolkit: Lua Scripts, Pipelining, and MULTI/EXEC

Redis Memory Optimization: Eviction Policies and maxmemory Configuration

Redis vs Memcached vs Caffeine vs Hazelcast

Redis Pub/Sub vs Apache Kafka

Advanced

Cache Stampede (Thundering Herd) Problem and Solutions

Distributed Locking with Redisson in Spring Boot

Rate Limiting with Redis: INCR+EXPIRE and Sliding Window

See Redis in context