Github user jihoonson commented on a diff in the pull request:
https://github.com/apache/tajo/pull/870#discussion_r45601276
--- Diff: tajo-docs/src/main/sphinx/table_management/compression.rst ---
@@ -1,5 +1,23 @@
-*********************************
+***********
Compression
-*********************************
+***********
-.. todo::
\ No newline at end of file
+Using compression makes data size compact and network traffic low. Most of
Tajo data types support data compression feature.
--- End diff --
You may mean ```data formats``` instead of ```data types```.
Also, ```network traffic low``` seems to be ambiguous. How about changing
the first sentence to ```Using compression can make data size compact, thereby
enabling efficient use of network bandwidth and storage.```?
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