Q1. How will you go about choosing REST vs Messaging for Microservices? A1. Microservices can be invoked both synchronously and asynchronously. Microservices must be organized around business functionalities like Customers, Orders, …
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19: Q125 – Q130 Apache Zookeeper interview Q&As
Q125. What is Apache Zookeeper & where can you use it? A125. Distributed applications like HBase, Solr, etc run services on multiple nodes (i.e. computers) for scalability (i.e more nodes can …
5 Spark streaming & Apache storm Interview Q&As
Q116. What is “Spark streaming” in the Spark ecosystem with Spark core, Spark SQL, Spark MLlib, Spark GraphX, etc? A116. Spark is a distributed and scalable batch processing framework that supports …
6 Distributed storage & computing systems interview Q&As
Q1. What are the key requirements to be a distributed system?
A1. A distributed system must satisfy the following 3 characteristics.
1) The computers or nodes operate concurrently.
2) The …
9 Java Transaction Management Interview Q&As
Q1. What is a Transaction? A1. A transaction is a set of operations that should be completed as a unit. If one operation fails then all the other operations fail as …
Event sourcing & CQRS interview Q&As
Most feasible way to handle consistency across microservices is via eventual consistency. This model doesn’t enforce distributed ACID transactions across microservices. Event sourcing is an event-centric approach to business logic design …
Spring Cloud Microservices interview Q&As
This extends 15 Spring Boot interview questions & answers. Spring Boot & Spring Cloud are used for building Microservices architecture. Q1. What is Spring Cloud? A1. Spring Boot is widely used …
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