Github user sgururajshetty commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/1534#discussion_r152480127
--- Diff: docs/data-management-on-carbondata.md ---
@@ -461,25 +461,46 @@ This tutorial is going to introduce all commands and
data operations on CarbonDa
## COMPACTION
-This command merges the specified number of segments into one segment,
compaction help to improve query performance.
-```
+ Compaction help to improve query performance, because frequently load
data, will generate several CarbonData files, because data is sorted only
within each load(per load per segment and one B+ tree index).
+ This means that there will be one index for each load and as number of
data load increases, the number of indices also increases.
+ Compaction feature combines several segments into one large segment by
merge sorting the data from across the segments.
+
+ There are two types of compaction Minor and Major compaction.
--- End diff --
There are two types of copaction, Minor and Major compaction.
---
