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Nested Schema Pruning Benchmark For Parquet
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OpenJDK 64-Bit Server VM 17.0.1+12-LTS on Linux 5.11.0-1022-azure
Intel(R) Xeon(R) Platinum 8272CL CPU @ 2.60GHz
Selection:                                Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                     93            106           8         10.7          93.2       1.0X
Nested column                                       268            276           6          3.7         267.9       0.3X
Nested column in array                             1026           1041          14          1.0        1026.0       0.1X

OpenJDK 64-Bit Server VM 17.0.1+12-LTS on Linux 5.11.0-1022-azure
Intel(R) Xeon(R) Platinum 8272CL CPU @ 2.60GHz
Limiting:                                 Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                    405            430          18          2.5         404.6       1.0X
Nested column                                       583            606          14          1.7         582.8       0.7X
Nested column in array                             1504           1522          15          0.7        1503.8       0.3X

OpenJDK 64-Bit Server VM 17.0.1+12-LTS on Linux 5.11.0-1022-azure
Intel(R) Xeon(R) Platinum 8272CL CPU @ 2.60GHz
Repartitioning:                           Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                    382            392           7          2.6         382.4       1.0X
Nested column                                       563            572           6          1.8         563.3       0.7X
Nested column in array                             1486           1496           7          0.7        1485.7       0.3X

OpenJDK 64-Bit Server VM 17.0.1+12-LTS on Linux 5.11.0-1022-azure
Intel(R) Xeon(R) Platinum 8272CL CPU @ 2.60GHz
Repartitioning by exprs:                  Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                    378            389          10          2.6         378.5       1.0X
Nested column                                       589            602          12          1.7         589.5       0.6X
Nested column in array                             1532           1538           4          0.7        1532.2       0.2X

OpenJDK 64-Bit Server VM 17.0.1+12-LTS on Linux 5.11.0-1022-azure
Intel(R) Xeon(R) Platinum 8272CL CPU @ 2.60GHz
Sample:                                   Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                    104            118          14          9.6         104.3       1.0X
Nested column                                       285            298          11          3.5         285.3       0.4X
Nested column in array                             1039           1051          10          1.0        1038.6       0.1X

OpenJDK 64-Bit Server VM 17.0.1+12-LTS on Linux 5.11.0-1022-azure
Intel(R) Xeon(R) Platinum 8272CL CPU @ 2.60GHz
Sorting:                                  Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
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Top-level column                                    519            547          27          1.9         519.3       1.0X
Nested column                                       753            779          29          1.3         752.7       0.7X
Nested column in array                             1945           1980          50          0.5        1944.6       0.3X


