What is your favorite champion and why? What do you think should be the priority of game bug fixes? What games do you play other than League?
Big Data Engineer Interview Questions
1,784 big data engineer interview questions shared by candidates
given an unsorted log file with an indeterminate number of lines with each line having a timestamp and the word login or logout, write a program that will determine the maximum number of concurrent users.
Main things that were asked mainly revolved around SQL, Databases, Big Data, a bit of Linux or Unix commands. Coding Round consisted of 5 questions 1 question atleast of SQL, rest average coding questions.
What is OLAP?
The first round you will asked the following question. 1. Explain about the tera sort that happens between the map and reduce phase in hadoop job. 2. Explain about class loader, can you have more than one class loader in jvm. 3. Explain how indexing in implemented in sql databases, be prepared to take about b-tree and tree balancing algorithm. 4. How does java guarantee the hashmap look up in O(1). Round 2 1. You will asked to write java streaming code to parse infinite input while keeping memory low the output should predefined length of random sample.
Tell me something about your role in project?
Experienced with big data tools
Scenario-based questions etc. , they requested to delineate proposed architecture.
Was I submitted to this client by other recruiters? Have I applied myself thru this client's website? Could I send them my past submissions list?
Which hadoop file formats support vector processing/SIMD operation?
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