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Nested Schema Pruning Benchmark For Parquet
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OpenJDK 64-Bit Server VM 11.0.17+8 on Linux 5.15.0-1023-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                                     92            132          52         10.8          92.3       1.0X
Nested column                                       108            131          37          9.3         107.9       0.9X
Nested column in array                              399            419          22          2.5         398.6       0.2X

OpenJDK 64-Bit Server VM 11.0.17+8 on Linux 5.15.0-1023-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                                    333            370          45          3.0         332.7       1.0X
Nested column                                       343            403          65          2.9         342.5       1.0X
Nested column in array                              791            866          58          1.3         791.4       0.4X

OpenJDK 64-Bit Server VM 11.0.17+8 on Linux 5.15.0-1023-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                                    313            338          30          3.2         313.5       1.0X
Nested column                                       334            370          36          3.0         334.5       0.9X
Nested column in array                              773            794          21          1.3         773.3       0.4X

OpenJDK 64-Bit Server VM 11.0.17+8 on Linux 5.15.0-1023-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                                    309            346          45          3.2         309.3       1.0X
Nested column                                       349            382          33          2.9         348.8       0.9X
Nested column in array                              824            849          25          1.2         824.4       0.4X

OpenJDK 64-Bit Server VM 11.0.17+8 on Linux 5.15.0-1023-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                                    108            138          40          9.3         108.0       1.0X
Nested column                                       128            169          37          7.8         127.9       0.8X
Nested column in array                              409            476          81          2.4         409.3       0.3X

OpenJDK 64-Bit Server VM 11.0.17+8 on Linux 5.15.0-1023-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                                    456            544          67          2.2         456.2       1.0X
Nested column                                       527            618          66          1.9         527.2       0.9X
Nested column in array                             1186           1244          94          0.8        1186.2       0.4X


