================================================================================================ Nested Schema Pruning Benchmark For ORC v1 ================================================================================================ OpenJDK 64-Bit Server VM 11.0.4+11-LTS on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz Selection: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ Top-level column 150 192 23 6.7 150.1 1.0X Nested column 1241 1289 82 0.8 1241.3 0.1X Nested column in array 5466 5574 114 0.2 5465.6 0.0X OpenJDK 64-Bit Server VM 11.0.4+11-LTS on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz Limiting: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ Top-level column 463 515 30 2.2 462.6 1.0X Nested column 1920 1967 27 0.5 1920.1 0.2X Nested column in array 6565 6685 123 0.2 6564.8 0.1X OpenJDK 64-Bit Server VM 11.0.4+11-LTS on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz Repartitioning: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ Top-level column 387 431 80 2.6 387.0 1.0X Nested column 1846 1865 13 0.5 1846.2 0.2X Nested column in array 6458 6569 114 0.2 6458.2 0.1X OpenJDK 64-Bit Server VM 11.0.4+11-LTS on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz Repartitioning by exprs: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ Top-level column 391 405 13 2.6 390.9 1.0X Nested column 4597 4684 81 0.2 4597.4 0.1X Nested column in array 9434 9499 54 0.1 9433.9 0.0X OpenJDK 64-Bit Server VM 11.0.4+11-LTS on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz Sample: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ Top-level column 131 165 27 7.6 130.9 1.0X Nested column 1258 1298 31 0.8 1257.7 0.1X Nested column in array 5360 5393 16 0.2 5359.7 0.0X OpenJDK 64-Bit Server VM 11.0.4+11-LTS on Linux 3.10.0-862.3.2.el7.x86_64 Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz Sorting: Best Time(ms) Avg Time(ms) Stdev(ms) Rate(M/s) Per Row(ns) Relative ------------------------------------------------------------------------------------------------------------------------ Top-level column 584 632 63 1.7 583.7 1.0X Nested column 5211 5384 108 0.2 5211.1 0.1X Nested column in array 10279 10397 94 0.1 10279.0 0.1X