Basics of Hazelcast
- What is Hazelcast, and how is it different from other distributed caching systems?
- Explain the key features of Hazelcast IMDG (In-Memory Data Grid).
- What are the primary use cases for Hazelcast?
- How does Hazelcast implement data partitioning?
- Describe the role of hazelcast.xml in configuration.
- What are the advantages of using Hazelcast over Redis or Memcached?
- Explain how Hazelcast achieves high availability.
- How is data stored and retrieved in Hazelcast?
- What is a partition table, and why is it important in Hazelcast?
- Compare Hazelcast's distributed map with a traditional hash map.
Distributed Data Structures
- What distributed data structures are supported by Hazelcast?
- Explain the concept of a Distributed Map (IMap) in Hazelcast.
- How does Hazelcast Queue differ from traditional queues?
- What is the purpose of MultiMap in Hazelcast?
- How do Replicated Maps differ from IMap?
- Explain the RingBuffer and its use cases.
- How does Hazelcast handle topic-based messaging using ITopic?
- What is Hazelcast Cache API, and how does it implement JCache?
- What are the use cases for Hazelcast AtomicLong and AtomicReference?
- Explain the role of CP Subsystems in Hazelcast.
Clustering and Scaling
- How does Hazelcast form a cluster?
- What is the role of discovery mechanisms in Hazelcast clustering?
- Explain cluster partitioning and its benefits.
- How does Hazelcast handle node failures?
- What is cluster quorum, and why is it important?
- How does Hazelcast ensure data consistency in a distributed cluster?
- Describe the backup strategy in Hazelcast for failover.
- What is the difference between client-server mode and embedded mode in Hazelcast?
- How do you scale a Hazelcast cluster horizontally?
- What are the best practices for deploying Hazelcast in a cloud environment?
Persistence and Backup
- What is persistence in Hazelcast, and how is it configured?
- Explain how Hazelcast supports write-through and write-behind caching.
- How does Hazelcast integrate with external databases?
- What is the purpose of Eviction Policies in Hazelcast?
- How does Hot Restart Store work in Hazelcast?
- What is the role of Merkle trees in Hazelcast's persistence layer?
- How do you configure backup count for distributed data structures?
- Explain data rebalancing during node failures or additions.
- What strategies can be used to minimize cache misses?
- How does Hazelcast handle data expiration?
Performance Optimization
- How can you optimize Hazelcast for read-heavy workloads?
- What are the key factors affecting Hazelcast's performance?
- How do you monitor Hazelcast clusters in real time?
- What tools can be used to profile Hazelcast applications?
- How does network latency impact Hazelcast performance?
- Explain the impact of serialization on Hazelcast performance.
- What is near caching, and how does it improve performance?
- How can you reduce the overhead of frequent updates in Hazelcast?
- What is async backup, and when should it be used?
- How do you manage garbage collection in a Hazelcast cluster?
Security
- What security features does Hazelcast provide?
- Explain how to configure TLS/SSL in Hazelcast.
- What is client authentication, and how does it work in Hazelcast?
- How do you restrict access to Hazelcast clusters?
- What are security realms, and how are they used in Hazelcast?
- How do you encrypt data stored in Hazelcast?
- What is role-based access control (RBAC) in Hazelcast?
- How do you handle network partition attacks in Hazelcast?
- What is the impact of cluster-wide security policies?
- How can Hazelcast integrate with IAM services like AWS IAM?
Integrations
- How does Hazelcast integrate with Spring Framework?
- Can Hazelcast work with Hibernate? If yes, how?
- Explain Hazelcast's integration with Kafka.
- How can Hazelcast be used with Apache Spark?
- What is the role of Hazelcast Jet in stream processing?
- How does Hazelcast support REST APIs?
- What are the benefits of using Hazelcast with microservices?
- How can Hazelcast be used in a Kubernetes cluster?
- Explain Hazelcast's integration with JMS (Java Message Service).
- How do you use Hazelcast with Docker?
Troubleshooting and Debugging
- What tools are available for debugging Hazelcast issues?
- How do you analyze Hazelcast logs for errors?
- What are common reasons for cluster split-brain, and how do you resolve it?
- How do you troubleshoot serialization errors in Hazelcast?
- What steps can you take to resolve high memory usage in Hazelcast?
- How do you debug node failures in Hazelcast?
- What causes stale data in Hazelcast, and how can it be avoided?
- How do you monitor Hazelcast's thread pool usage?
- What is the impact of slow network connections on Hazelcast?
- How do you handle OOM (Out of Memory) errors in Hazelcast?
Advanced Concepts
- What are custom eviction policies, and how are they implemented?
- How does Hazelcast support event-driven programming?
- Explain the role of Entry Processors in Hazelcast.
- What is the difference between async and sync backups in Hazelcast?
- How do you use Hazelcast WAN replication?
- Explain how Hazelcast Jet handles large-scale data streams.
- What are Pipelines, and how are they implemented in Hazelcast Jet?
- How do aggregators work in Hazelcast?
- What is the purpose of managing partition groups?
- How does Hazelcast handle dynamic scaling?
Future and Trends
- How is Hazelcast adapting to serverless computing?
- What improvements have been made in recent Hazelcast versions?
- How does Hazelcast support AI/ML workloads?
- What are the emerging use cases for Hazelcast in IoT?
- How does Hazelcast handle hybrid cloud environments?
- What are the trade-offs of using Hazelcast in edge computing?
- How is Hazelcast Platform evolving to support modern data architectures?
- What are the key differences between Hazelcast IMDG and Hazelcast Jet?
- How does Hazelcast contribute to stream processing trends?
- What role does Hazelcast play in real-time analytics?
Top comments (0)