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Metadata Struct Benchmark
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OpenJDK 64-Bit Server VM 17.0.20+8-LTS on Linux 6.17.0-1020-azure
AMD EPYC 7763 64-Core Processor
Vectorized Parquet:                       Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
------------------------------------------------------------------------------------------------------------------------
no metadata columns                                 636            664          23          7.9         127.2       1.0X
_metadata.file_path                                 773            783          11          6.5         154.6       0.8X
_metadata.file_name                                 762            774          12          6.6         152.4       0.8X
_metadata.file_size                                 702            709           7          7.1         140.5       0.9X
_metadata.file_block_start                          698            705           6          7.2         139.5       0.9X
_metadata.file_block_length                         701            711          26          7.1         140.2       0.9X
_metadata.file_modification_time                    698            706           7          7.2         139.6       0.9X
_metadata.row_index                                 758            766           7          6.6         151.7       0.8X
_metadata                                          1058           1066           7          4.7         211.6       0.6X

OpenJDK 64-Bit Server VM 17.0.20+8-LTS on Linux 6.17.0-1020-azure
AMD EPYC 7763 64-Core Processor
Parquet-mr:                               Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
------------------------------------------------------------------------------------------------------------------------
no metadata columns                                2491           2516          28          2.0         498.1       1.0X
_metadata.file_path                                3236           3257          23          1.5         647.1       0.8X
_metadata.file_name                                3221           3244          22          1.6         644.1       0.8X
_metadata.file_size                                3058           3091          30          1.6         611.5       0.8X
_metadata.file_block_start                         3061           3078          19          1.6         612.1       0.8X
_metadata.file_block_length                        3060           3090          38          1.6         612.1       0.8X
_metadata.file_modification_time                   3081           3162          36          1.6         616.2       0.8X
_metadata.row_index                                3603           3624          21          1.4         720.6       0.7X
_metadata                                          4796           4830          28          1.0         959.2       0.5X

OpenJDK 64-Bit Server VM 17.0.20+8-LTS on Linux 6.17.0-1020-azure
AMD EPYC 7763 64-Core Processor
JSON:                                     Best Time(ms)   Avg Time(ms)   Stdev(ms)    Rate(M/s)   Per Row(ns)   Relative
------------------------------------------------------------------------------------------------------------------------
no metadata columns                                7181           7239          29          0.7        1436.1       1.0X
_metadata.file_path                                8098           8124          18          0.6        1619.6       0.9X
_metadata.file_name                                8118           8143          22          0.6        1623.6       0.9X
_metadata.file_size                                7898           7923          12          0.6        1579.6       0.9X
_metadata.file_block_start                         7931           7979          15          0.6        1586.1       0.9X
_metadata.file_block_length                        7895           7939          35          0.6        1579.1       0.9X
_metadata.file_modification_time                   7890           7912          12          0.6        1578.0       0.9X
_metadata                                          8800           8824          13          0.6        1759.9       0.8X


