Github user QiangCai commented on the issue:
https://github.com/apache/carbondata/pull/2971
@ravipesala
After the compaction, it will become local_sort.
In my opinion, we can use Range_column to partition the input data.
So it can reduce the scope of sorting during data loading to improve data
loading performance.
In some case, it also can improve the query performance (like Global_sort).
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