Question-35: There is a process called Compaction for merging SSTables, which of the following statement is true?

1. While insert and update happens Cassandra engine overwrite existing rows with inserts and updates.
2. Get all Questions and Answer from here
3. You need to have paid subscription to access all questions
4. Thanks for considering Python Certification Material

Ans : B,C,D,F

Exp : Compaction works with the collection of SSTables. This process various rows from across SSTables and assemble in one complete row. As this process uses the sorted data by partition key, hence there is no random I/O and overall process is performant. However,

You can access to full explanation to question and answer from this page.