CareerCup

Database query response times have increased. An API which is dependent on this database will see - *

This is a multi-select answer.

Increase in the latencies.
Increase in RAM utilisation on the API servers
Increase in CPU utilisation on the API servers
Increase in 200 response codes
Increase in 5xx responses

If a sorted array is rotated by k positions, what is the time complexity to find the starting point of the original array?
1 point
O(logn)
O(1)
O(n)
O(nlogn)

Setting a value in cache is failing. What are the acceptable production practices? *

1. Raise an exception immediately
2. Retry in equal intervals of time until the set call succeeds
3. Retry with exponential back off until the set call succeeds
4. Retry 2 or 3 times with exponential back off.
5. Retry 2 or 3 times with equal intervals of time.

This is a multi-select question.

We have a database that allows 2 concurrent writes and 3 concurrent reads. Each read/write operation takes 10ms to complete. What is the time taken to process all the requests in the orders mentioned (all requests can be assumed to be coming in at the same instant of time and are operating on a single row in a table) - 1. write, write, read, write, read, read, write, read 2. read, write, read, write, read: *


1. 30 ms 2. 10ms
1. 60 ms 2. 10ms
1. 10 ms 2. 10ms
1. 20 ms 2. 10ms
1. 10ms 2. 20ms
1. 60ms 2. 30ms