Question-172: Compaction is a process
- Which deletes data from memtables
- Get all Questions and Answer from here
- You need to have paid subscription to access all questions
- Thanks for considering Python Certification Material
Ans : C,D
Exp : Compaction is a process, which periodically merges SSTables and discard the old data which is marked as a Tombstone. compaction works on collection of SSTables, it collects all the version of each unique row and assemble them to create one complete row using the most up to date data.
You can access to full explanation to question and answer from this page.
