================================================================================================ Nested Schema Pruning Benchmark For ORC v2 ================================================================================================ OpenJDK 64-Bit Server VM 1.8.0_232-8u232-b09-0ubuntu1~18.04.1-b09 on Linux 4.15.0-1044-aws 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 121 156 27 8.3 121.1 1.0X Nested column 1373 1406 37 0.7 1373.4 0.1X Nested column in array 5545 5579 54 0.2 5544.8 0.0X OpenJDK 64-Bit Server VM 1.8.0_232-8u232-b09-0ubuntu1~18.04.1-b09 on Linux 4.15.0-1044-aws 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 127 147 20 7.9 127.0 1.0X Nested column 1280 1328 32 0.8 1280.2 0.1X Nested column in array 5617 5696 70 0.2 5617.0 0.0X OpenJDK 64-Bit Server VM 1.8.0_232-8u232-b09-0ubuntu1~18.04.1-b09 on Linux 4.15.0-1044-aws 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 343 356 17 2.9 342.6 1.0X Nested column 1692 1710 14 0.6 1692.3 0.2X Nested column in array 6128 6168 30 0.2 6128.0 0.1X OpenJDK 64-Bit Server VM 1.8.0_232-8u232-b09-0ubuntu1~18.04.1-b09 on Linux 4.15.0-1044-aws 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 348 355 11 2.9 348.1 1.0X Nested column 4350 4392 35 0.2 4349.8 0.1X Nested column in array 8864 8901 29 0.1 8864.1 0.0X OpenJDK 64-Bit Server VM 1.8.0_232-8u232-b09-0ubuntu1~18.04.1-b09 on Linux 4.15.0-1044-aws 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 123 143 27 8.2 122.5 1.0X Nested column 1233 1295 29 0.8 1233.2 0.1X Nested column in array 5534 5597 53 0.2 5533.7 0.0X OpenJDK 64-Bit Server VM 1.8.0_232-8u232-b09-0ubuntu1~18.04.1-b09 on Linux 4.15.0-1044-aws 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 265 280 20 3.8 264.8 1.0X Nested column 3211 3263 96 0.3 3211.2 0.1X Nested column in array 8324 8357 42 0.1 8323.6 0.0X