[GitHub] [arrow-datafusion] alamb commented on pull request #1766: TPC-H benchmark can optionally write JSON output file with benchmark summary

[GitBox <gi...@apache.org>]

alamb commented on pull request #1766:
URL: https://github.com/apache/arrow-datafusion/pull/1766#issuecomment-1034077209


   ```shell
   Query 1 iteration 2 took 62666.3 ms and returned 4 rows
   Query 1 avg time: 62579.50 ms
   Writing summary file to /tmp/tpch-q1-1644431672.json
   ```
   
   It is pretty neat:
   ```
   alamb@MacBook-Pro-2 arrow-datafusion % cat /tmp/tpch-q1-1644431672.json 
   {
     "benchmark_version": "5.0.0",
     "datafusion_version": "6.0.0",
     "num_cpus": 16,
     "start_time": 1644431672,
     "arguments": [
       "benchmark",
       "datafusion",
       "-o",
       "/tmp",
       "-p",
       "/Users/alamb/Software/tpch_data/SF1",
       "-q",
       "1",
       "--format",
       "tbl"
     ],
     "query": 1,
     "iterations": [
       {
         "elapsed": 62607.731700000004,
         "row_count": 4
       },
       {
         "elapsed": 62464.438148,
         "row_count": 4
       },
       {
         "elapsed": 62666.318697,
         "row_count": 4
       }
     ]
   ```


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