Github user zzcclp commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/1205#discussion_r130792549
--- Diff: docs/dml-operation-on-carbondata.md ---
@@ -149,6 +149,50 @@ You can use the following options to load data:
* If this option is set to TRUE, then high.cardinality.identify.enable
property will be disabled during data load.
+- **SORT_SCOPE:** This property can have four possible values :
+
+ * BATCH_SORT : The sorting scope is smaller and more index tree will
be created,thus loading is faster but query maybe slower.
+
+ * LOCAL_SORT : The sorting scope is bigger and one index tree per data
node will be created, thus loading is slower but query is faster.
+
+ * GLOBAL_SORT : The sorting scope is bigger and one index tree per
task will be created, thus loading is slower but query is faster.
+
+ * NO_SORT : Feasible if we want to load our data in unsorted
manner.
+
+ For BATCH_SORT:
+
+ ```
+ OPTIONS ('SORT_SCOPE'='BATCH_SORT')
+ ```
+
+ You can also specify the sort size option for sort scope.
+
+ ```
+ OPTIONS('SORT_SCOPE'='BATCH_SORT', 'batch_sort_size_inmb'='7')
+ ```
+
+ Note :
+
+ * batch_sort_size_inmb : Size of data in MB to be processed in batch.
By default it is the 45 percent size of sort.inmemory.size.inmb(Memory size in
MB available for in-memory sort).
+
+ For GLOBAL_SORT :
--- End diff --
Sorry for my mistake, now when sort_scope='GLOBAL_SORT', single_pass can be
'true', I have raised a pr to remove this restriction of code (PR-1224).
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