Github user xuchuanyin commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/2215#discussion_r189435815
--- Diff: docs/datamap/lucene-datamap-guide.md ---
@@ -0,0 +1,133 @@
+# CarbonData Lucene DataMap (Alpha feature in 1.4.0)
+
+* [DataMap Management](#datamap-management)
+* [Lucene Datamap](#lucene-datamap-introduction)
+* [Loading Data](#loading-data)
+* [Querying Data](#querying-data)
+* [Data Management](#data-management-with-pre-aggregate-tables)
--- End diff --
@jackylk I think it's better to add another document to describe the common
operations for index datamap, since the descriptions for `Data Management`,
`REBUILD DATAMAP`, `WITH DEFERRED REBUILD` are the same for
`BloomFilterDataMap` and `LuceneDataMap`.
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