what is speculative execution in spark
Big Data Engineer Interview Questions
898 big data engineer interview questions shared by candidates
SQL queries.data warehousing ,your self introduction and some basics questions related to the project.
General question on big data technologies
Design a large scale chat system like instagram.
This question was related to a message queue where the message is coming and whenever from the front-end, if click a button, it should show me the latest N (1 - 50) most recent distinct readings. (In the message queue, the readings could repeat). Consider the question as a the concept of cache and set.
1.design an inorder tree traversal. 2. Add all the branches and root of all the nodes and sum up the main root node
Do you have experience with AWS?
Find duplicate rows in a table.
Hive Schema evolution related questions
Process vs thread, algo coding
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