[CARBONDATA-2091][DataLoad] Support specifying sort column bounds in data
loading
Enhance data loading performance by specifying sort column bounds
1. Add row range number during convert-process-step
2. Dispatch rows to each sorter by range number
3. Sort/Write process step can be done concurrent
[CARBONDATA-2091][DataLoad] Support specifying sort column bounds in data
loading
Enhance data loading performance by specifying sort column bounds
1. Add row range number during convert-process-step
2. Dispatch rows to each sorter by range number
3. Sort/Write process step can be done concurrent
[CARBONDATA-2091][DataLoad] Support specifying sort column bounds in data
loading
Enhance data loading performance by specifying sort column bounds
1. Add row range number during convert-process-step
2. Dispatch rows to each sorter by range number
3. Sort/Write process step can be done concurrent
http://git-wip-us.apache.org/repos/asf/carbondata/blob/b1c96285/processing/src/main/java/org/apache/carbondata/processing/loading/sort/impl/UnsafeParallelReadMergeSorterWithBucketingImpl.java
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a/processing/src/main/ja