Re: [PR] Introduce morsel-driven Parquet scan [datafusion]

Fri, 13 Mar 2026 01:18:48 -0700 


adriangbot commented on PR #20481:
URL: https://github.com/apache/datafusion/pull/20481#issuecomment-4053511035

   ๐Ÿค– Benchmark completed (GKE) | 
[trigger](https://github.com/apache/datafusion/pull/20481#issuecomment-4053431901)
   
   <details><summary>Details</summary>
   <p>
   
   ```
   Comparing HEAD and parquet-morsel-driven-execution-237164415184908839
   --------------------
   Benchmark clickbench_extended.json
   --------------------
   
โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”ณโ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”ณโ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”ณโ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”“
   โ”ƒ Query    โ”ƒ                                      HEAD โ”ƒ 
parquet-morsel-driven-execution-237164415184908839 โ”ƒ        Change โ”ƒ
   
โ”กโ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ•‡โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ•‡โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ•‡โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”ฉ
   โ”‚ QQuery 0 โ”‚         819.27 / 824.23 ยฑ5.26 / 833.83 ms โ”‚                 
952.14 / 968.25 ยฑ13.21 / 988.25 ms โ”‚  1.17x slower โ”‚
   โ”‚ QQuery 1 โ”‚         225.08 / 225.74 ยฑ0.73 / 226.68 ms โ”‚                  
179.77 / 180.84 ยฑ0.95 / 182.16 ms โ”‚ +1.25x faster โ”‚
   โ”‚ QQuery 2 โ”‚         528.63 / 532.69 ยฑ4.03 / 537.71 ms โ”‚                  
416.88 / 420.78 ยฑ2.31 / 423.43 ms โ”‚ +1.27x faster โ”‚
   โ”‚ QQuery 3 โ”‚         333.08 / 334.27 ยฑ0.94 / 335.46 ms โ”‚                  
255.37 / 256.11 ยฑ0.41 / 256.62 ms โ”‚ +1.31x faster โ”‚
   โ”‚ QQuery 4 โ”‚        665.59 / 686.14 ยฑ14.86 / 711.04 ms โ”‚                  
640.72 / 648.91 ยฑ4.71 / 655.41 ms โ”‚ +1.06x faster โ”‚
   โ”‚ QQuery 5 โ”‚ 10046.59 / 10200.59 ยฑ143.64 / 10421.45 ms โ”‚             9116.94 
/ 9237.59 ยฑ153.88 / 9503.35 ms โ”‚ +1.10x faster โ”‚
   โ”‚ QQuery 6 โ”‚       983.76 / 995.88 ยฑ17.09 / 1029.36 ms โ”‚                  
918.40 / 925.52 ยฑ5.17 / 933.42 ms โ”‚ +1.08x faster โ”‚
   โ”‚ QQuery 7 โ”‚        778.00 / 795.61 ยฑ11.31 / 811.88 ms โ”‚                  
769.46 / 776.09 ยฑ4.89 / 781.16 ms โ”‚     no change โ”‚
   
โ””โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ดโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ดโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ดโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”˜
   
โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”ณโ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”“
   โ”ƒ Benchmark Summary                                                 โ”ƒ        
    โ”ƒ
   
โ”กโ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ•‡โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”ฉ
   โ”‚ Total Time (HEAD)                                                 โ”‚ 
14595.14ms โ”‚
   โ”‚ Total Time (parquet-morsel-driven-execution-237164415184908839)   โ”‚ 
13414.08ms โ”‚
   โ”‚ Average Time (HEAD)                                               โ”‚  
1824.39ms โ”‚
   โ”‚ Average Time (parquet-morsel-driven-execution-237164415184908839) โ”‚  
1676.76ms โ”‚
   โ”‚ Queries Faster                                                    โ”‚        
  6 โ”‚
   โ”‚ Queries Slower                                                    โ”‚        
  1 โ”‚
   โ”‚ Queries with No Change                                            โ”‚        
  1 โ”‚
   โ”‚ Queries with Failure                                              โ”‚        
  0 โ”‚
   
โ””โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ดโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”˜
   ```
   
   </p>
   </details>
   
   <details><summary>Resource Usage</summary>
   
   **clickbench_extended โ€” base (merge-base)**
   | Metric | Value |
   |--------|-------|
   | Wall time | 73.6s |
   | Peak memory | 33.2 GiB |
   | Avg memory | 28.6 GiB |
   | CPU user | 723.9s |
   | CPU sys | 23.7s |
   | Disk read | 0 B |
   | Disk write | 21.8 MiB |
   
   **clickbench_extended โ€” branch**
   | Metric | Value |
   |--------|-------|
   | Wall time | 67.6s |
   | Peak memory | 33.8 GiB |
   | Avg memory | 28.9 GiB |
   | CPU user | 728.2s |
   | CPU sys | 22.9s |
   | Disk read | 0 B |
   | Disk write | 72.0 KiB |
   
   </details>
   


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