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Metadata Struct Benchmark
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OpenJDK 64-Bit Server VM 17.0.12+7-LTS on Linux 6.5.0-1025-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                                 650            670          20          7.7         129.9       1.0X
_metadata.file_path                                 743            762          12          6.7         148.7       0.9X
_metadata.file_name                                 742            752           7          6.7         148.4       0.9X
_metadata.file_size                                 677            685           6          7.4         135.4       1.0X
_metadata.file_block_start                          675            686          12          7.4         134.9       1.0X
_metadata.file_block_length                         677            683           5          7.4         135.5       1.0X
_metadata.file_modification_time                    673            682           7          7.4         134.7       1.0X
_metadata.row_index                                 718            728           8          7.0         143.6       0.9X
_metadata                                          1023           1033           6          4.9         204.6       0.6X

OpenJDK 64-Bit Server VM 17.0.12+7-LTS on Linux 6.5.0-1025-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                                2582           2621          41          1.9         516.4       1.0X
_metadata.file_path                                3488           3505          12          1.4         697.5       0.7X
_metadata.file_name                                3481           3502          10          1.4         696.1       0.7X
_metadata.file_size                                3193           3223          18          1.6         638.6       0.8X
_metadata.file_block_start                         3198           3217          15          1.6         639.7       0.8X
_metadata.file_block_length                        3191           3216          19          1.6         638.2       0.8X
_metadata.file_modification_time                   3188           3204          13          1.6         637.7       0.8X
_metadata.row_index                                3714           3736          18          1.3         742.8       0.7X
_metadata                                          4935           4958          24          1.0         986.9       0.5X

OpenJDK 64-Bit Server VM 17.0.12+7-LTS on Linux 6.5.0-1025-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                                7127           7171          21          0.7        1425.3       1.0X
_metadata.file_path                                8122           8147          13          0.6        1624.4       0.9X
_metadata.file_name                                8143           8166          24          0.6        1628.6       0.9X
_metadata.file_size                                7914           7943          14          0.6        1582.8       0.9X
_metadata.file_block_start                         7947           7978          16          0.6        1589.4       0.9X
_metadata.file_block_length                        7964           7991          20          0.6        1592.8       0.9X
_metadata.file_modification_time                   7950           7977          20          0.6        1590.1       0.9X
_metadata                                          8869           8888          15          0.6        1773.7       0.8X


