Pragmasys Consulting LLP CRM Consultant Interview Questions, Process, and Tips

Setup a cluster and find the bottleneck of performance.

Q1. Ways to deal with latency in Cassandra
Ans. 
Ways to optimize latency in Cassandra
• Use appropriate data modeling to reduce the number of queries needed

• Optimize queries by using appropriate indexes and clustering keys

• Tune the Cassandra configuration settings for better performance

• Use caching mechanisms like Memcached or Redis to reduce latency

• Consider using partitioning strategies to distribute data evenly across nodes
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Improve your Logical Quotient, so that you can easily crack it.

Q1. Explain thread lifecycle.
Ans. 
Thread lifecycle refers to the various stages a thread goes through during its execution.
• A thread is created using the 'new' keyword or by implementing the 'Runnable' interface.

• The thread is started using the 'start()' method.

• During its execution, the thread can be in various states such as 'Runnable', 'Blocked', 'Waiting', etc.

• The thread can be interrupted using the 'interrupt()' method.

• The thread completes its execut...read more
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Q2. Explain profiling in Springboot
Ans. 
Profiling in Springboot is a way to measure and analyze the performance of an application.
• Profiling helps identify performance bottlenecks and optimize code

• Springboot provides built-in support for profiling through the use of various tools such as VisualVM and JProfiler

• Profiling can be done on both the server-side and client-side of the application

• Profiling can help identify memory leaks, CPU usage, and other performan
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Q3. Advantages of SQL over NoSQL
Ans. 
SQL is better for structured data and complex queries, while NoSQL is better for unstructured data and scalability.
• SQL is better for handling complex queries and transactions

• SQL databases have better data consistency and integrity

• NoSQL is better for handling unstructured data and scalability

• NoSQL databases are more flexible and can handle large amounts of data

• SQL databases are better suited for applications with a fixe...read more
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Q1. Explain your last project.
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