Linux OPS interview details questions

1. What are the differences between row and column storage?

What are the modes of 2.MySQL database Binlog? What's the difference?

3.awk How to print out the number of columns in a file?

4.awk How do I specify delimiters, and how do I specify delimiters for cut?

5. What happens if one of the disks in HDFs (the amount of data is particularly large) is unplugged.

6. How do I view threads in Linux?

7. How do I view Linux disk IO? What is the meaning of a specific value? (This question is very fine, I usually only read and read, the others have not seen.) ）

8.hbase is a row or column storage, specifically speaking about its characteristics.

9. How to import data from a database into a cache (in MongoDB, Redis, MC)

The process of 10.spark flow calculation.

Which of the 11.HADOOP monitoring tools have you ever used?

There are some behind, forget.

Linux OPS interview details questions