Write a program for paranthesis matching
Lead Engineer Interview Questions
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1. Difference between repartitioning & coalesce 2. Disadvantage of coalesce 3. Default number of partitions when reading from HDFS
Batch as well real time data related architectural questions and scenario based questions were asked.
How would you debug a rest api returning 500 in the browser
1st Round - How Cache System Works. How to implement it using Java. - Different cache eviction strategy. - Threads, Synchronization, Deadlocks - Scaling In and Scaling Out 2nd Round - Design database for "Bookmyshow" app - How to log an error to a server in the case for a mobile app. - Design dictionary Round 3 - Rate limiting for an API - Min from a stack - Design a database for an application like JIRA
find Next palindrome Number for a given number i.e input 11 output 22
1) Write a program to find all files with same name on file system and their path 2) SQL employee department kind of query 3) When will you use hibernate , iBatis and toplink ? 4) SSL 5) Producer is producing @ 10 TPS , there is queue and consumer can consume only @ 5TPS then what would you do without adding an infrastructure. Then changed the question the at peak time its 10TPS and then 1 TPS whatwould be approach.
Second round: Design LLD, HLD and schema for News feed application
remove duplicate of the array inplace (without using extra memory)
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