WangYuxing0924 commented on code in PR #1011:
URL: https://github.com/apache/parquet-mr/pull/1011#discussion_r1099601047


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README.md:
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@@ -83,6 +83,16 @@ Parquet is a very active project, and new features are being 
added quickly. Here
 * Column stats
 * Delta encoding
 * Index pages
+* Java Vector API support
+
+## Java Vector API support

Review Comment:
   @sunchao , 
[here](https://issues.apache.org/jira/projects/PARQUET/issues/PARQUET-2159) 
shows the micro-benchmark of bitpack function and test report from Spark 
vectorizedparquetRecordReader (scan operatories). Most tpch queries are 
join-related operatories so the hotspot lies in the join/shuffle stage. bitpack 
optimization would be beneficial for SQL filter query



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