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Nested Schema Pruning Benchmark For Parquet
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OpenJDK 64-Bit Server VM 1.8.0_312-b07 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                                     95            108          13         10.5          94.9       1.0X
Nested column                                       258            272          24          3.9         258.4       0.4X
Nested column in array                              959            973          11          1.0         959.5       0.1X

OpenJDK 64-Bit Server VM 1.8.0_312-b07 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                                    311            323          13          3.2         311.1       1.0X
Nested column                                       488            498           8          2.0         488.0       0.6X
Nested column in array                             1374           1403          20          0.7        1373.8       0.2X

OpenJDK 64-Bit Server VM 1.8.0_312-b07 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                                    283            286           4          3.5         283.3       1.0X
Nested column                                       459            476          12          2.2         459.3       0.6X
Nested column in array                             1348           1363          14          0.7        1347.6       0.2X

OpenJDK 64-Bit Server VM 1.8.0_312-b07 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                                    278            281           3          3.6         278.2       1.0X
Nested column                                       483            489           4          2.1         483.0       0.6X
Nested column in array                             1386           1407          15          0.7        1385.6       0.2X

OpenJDK 64-Bit Server VM 1.8.0_312-b07 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                                     97            118          14         10.3          96.9       1.0X
Nested column                                       273            278           5          3.7         273.2       0.4X
Nested column in array                              985           1005          14          1.0         985.0       0.1X

OpenJDK 64-Bit Server VM 1.8.0_312-b07 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                                    379            395          18          2.6         378.7       1.0X
Nested column                                       646            661          13          1.5         645.9       0.6X
Nested column in array                             1664           1689          21          0.6        1664.0       0.2X


