adriangbot commented on PR #11267:
URL: https://github.com/apache/arrow-rs/pull/11267#issuecomment-5923919786

   🤖 Benchmark failed or incomplete — partial results (GKE) | 
[trigger](https://github.com/apache/arrow-rs/pull/11267#issuecomment-5923351475)
   
   **Target:** arrow_writer
   
   Comparing runtime_bench (3e633534d4c7f35339fe1c4206e0c04b1b910c7c) to 
fa337f8 (merge-base) 
[diff](https://github.com/apache/arrow-rs/compare/fa337f843a8e8e666790b6b5833d69887aa7d2ce..3e633534d4c7f35339fe1c4206e0c04b1b910c7c)
   
   <details><summary>Run configuration</summary>
   
   ```yaml
   run benchmark arrow_writer
   shards: 4
   
   ```
   
   </details>
   
   <details open><summary>Errors / missing shards</summary>
   
   ````text
   arrow_writer — shard 1/4: Benchmark for [this 
request](https://github.com/apache/arrow-rs/pull/11267#issuecomment-5923351475) 
failed before finishing (Kubernetes reason: `BackoffLimitExceeded`).
   
   Benchmarks requested: `arrow_writer — shard 1/4`
   
   <details><summary>Runner log (last 40 lines)</summary>
   
   ```
   [stdout] struct_all_null/default time:   [118.72 µs 119.05 µs 119.35 µs]
   [stdout]                         thrpt:  [131.94 GiB/s 132.27 GiB/s 132.64 
GiB/s]
   [stderr] Benchmarking struct_all_null/zstd_parquet_2
   [stderr] Benchmarking struct_all_null/zstd_parquet_2: Warming up for 3.0000 s
   [stderr] Benchmarking struct_all_null/zstd_parquet_2: Collecting 100 samples 
in estimated 5.6662 s (35k iterations)
   [stderr] Benchmarking struct_all_null/zstd_parquet_2: Analyzing
   [stdout] struct_all_null/zstd_parquet_2
   [stdout]                         time:   [160.12 µs 160.38 µs 160.66 µs]
   [stdout]                         thrpt:  [98.018 GiB/s 98.186 GiB/s 98.348 
GiB/s]
   [stderr] Benchmarking list_nested/bloom_filter
   [stderr] Benchmarking list_nested/bloom_filter: Warming up for 3.0000 s
   [stderr] Warning: Unable to complete 100 samples in 5.0s. You may wish to 
increase target time to 13.7s, or reduce sample count to 30.
   [stderr] Benchmarking list_nested/bloom_filter: Collecting 100 samples in 
estimated 13.745 s (100 iterations)
   [stderr] Benchmarking list_nested/bloom_filter: Analyzing
   [stdout] list_nested/bloom_filter
   [stdout]                         time:   [136.78 ms 136.87 ms 136.97 ms]
   [stdout]                         thrpt:  [210.67 MiB/s 210.81 MiB/s 210.96 
MiB/s]
   [stdout] Found 3 outliers among 100 measurements (3.00%)
   [stdout]   3 (3.00%) high mild
   [stderr] Benchmarking list_nested/parquet_2
   [stderr] Benchmarking list_nested/parquet_2: Warming up for 3.0000 s
   [stderr] Warning: Unable to complete 100 samples in 5.0s. You may wish to 
increase target time to 13.2s, or reduce sample count to 30.
   [stderr] Benchmarking list_nested/parquet_2: Collecting 100 samples in 
estimated 13.151 s (100 iterations)
   [stderr] Benchmarking list_nested/parquet_2: Analyzing
   [stdout] list_nested/parquet_2   time:   [131.23 ms 131.31 ms 131.38 ms]
   [stdout]                         thrpt:  [219.62 MiB/s 219.75 MiB/s 219.88 
MiB/s]
   [stdout] Found 1 outliers among 100 measurements (1.00%)
   [stdout]   1 (1.00%) high mild
   [stderr] Benchmarking list_struct_with_list/bloom_filter
   [stderr] Benchmarking list_struct_with_list/bloom_filter: Warming up for 
3.0000 s
   [stderr] Warning: Unable to complete 100 samples in 5.0s. You may wish to 
increase target time to 26.4s, or reduce sample count to 10.
   [stderr] Benchmarking list_struct_with_list/bloom_filter: Collecting 100 
samples in estimated 26.381 s (100 iterations)
   [stderr] Benchmarking list_struct_with_list/bloom_filter: Analyzing
   [stdout] list_struct_with_list/bloom_filter
   [stdout]                         time:   [262.07 ms 262.34 ms 262.59 ms]
   [stdout]                         thrpt:  [173.64 MiB/s 173.81 MiB/s 173.99 
MiB/s]
   [stderr] Benchmarking list_struct_with_list/zstd_parquet_2
   [stderr] Benchmarking list_struct_with_list/zstd_parquet_2: Warming up for 
3.0000 s
   [stderr] Warning: Unable to complete 100 samples in 5.0s. You may wish to 
increase target time to 27.2s, or reduce sample count to 10.
   [stderr] Benchmarking list_struct_with_list/zstd_parquet_2: Collecting 100 
samples in estimated 27.246 s (100 iterations)
   ```
   
   </details>
   
   <details><summary>Kubernetes message</summary>
   
   ```
   Job has reached the specified backoff limit
   ```
   
   </details>
   
   ---
   [File an issue](https://github.com/adriangb/datafusion-benchmarking/issues) 
against this benchmark runner
   
   arrow_writer — shard 3/4: Benchmark for [this 
request](https://github.com/apache/arrow-rs/pull/11267#issuecomment-5923351475) 
failed before finishing (Kubernetes reason: `BackoffLimitExceeded`).
   
   Benchmarks requested: `arrow_writer — shard 3/4`
   
   <details><summary>Runner log (last 40 lines)</summary>
   
   ```
   [stdout] decimal/default         time:   [75.733 ms 75.934 ms 76.218 ms]
   [stdout]                         thrpt:  [787.22 MiB/s 790.17 MiB/s 792.26 
MiB/s]
   [stdout] Found 1 outliers among 100 measurements (1.00%)
   [stdout]   1 (1.00%) high severe
   [stderr] Benchmarking list_primitive/zstd
   [stderr] Benchmarking list_primitive/zstd: Warming up for 3.0000 s
   [stderr] Warning: Unable to complete 100 samples in 5.0s. You may wish to 
increase target time to 44.0s, or reduce sample count to 10.
   [stderr] Benchmarking list_primitive/zstd: Collecting 100 samples in 
estimated 44.025 s (100 iterations)
   [stderr] Benchmarking list_primitive/zstd: Analyzing
   [stdout] list_primitive/zstd     time:   [440.97 ms 441.37 ms 441.84 ms]
   [stdout]                         thrpt:  [1.2054 GiB/s 1.2067 GiB/s 1.2078 
GiB/s]
   [stdout] Found 11 outliers among 100 measurements (11.00%)
   [stdout]   7 (7.00%) low severe
   [stdout]   2 (2.00%) high mild
   [stdout]   2 (2.00%) high severe
   [stderr] Benchmarking list_primitive/zstd_parquet_2
   [stderr] Benchmarking list_primitive/zstd_parquet_2: Warming up for 3.0000 s
   [stderr] Warning: Unable to complete 100 samples in 5.0s. You may wish to 
increase target time to 42.5s, or reduce sample count to 10.
   [stderr] Benchmarking list_primitive/zstd_parquet_2: Collecting 100 samples 
in estimated 42.520 s (100 iterations)
   [stderr] Benchmarking list_primitive/zstd_parquet_2: Analyzing
   [stdout] list_primitive/zstd_parquet_2
   [stdout]                         time:   [425.82 ms 426.00 ms 426.20 ms]
   [stdout]                         thrpt:  [1.2496 GiB/s 1.2502 GiB/s 1.2507 
GiB/s]
   [stdout] Found 15 outliers among 100 measurements (15.00%)
   [stdout]   15 (15.00%) high mild
   [stderr] Benchmarking list_primitive/number_distinct_values
   [stderr] Benchmarking list_primitive/number_distinct_values: Warming up for 
3.0000 s
   [stderr] Warning: Unable to complete 100 samples in 5.0s. You may wish to 
increase target time to 37.4s, or reduce sample count to 10.
   [stderr] Benchmarking list_primitive/number_distinct_values: Collecting 100 
samples in estimated 37.388 s (100 iterations)
   [stderr] Benchmarking list_primitive/number_distinct_values: Analyzing
   [stdout] list_primitive/number_distinct_values
   [stdout]                         time:   [373.06 ms 373.41 ms 373.73 ms]
   [stdout]                         thrpt:  [1.4250 GiB/s 1.4263 GiB/s 1.4276 
GiB/s]
   [stdout] Found 11 outliers among 100 measurements (11.00%)
   [stdout]   7 (7.00%) low severe
   [stdout]   4 (4.00%) low mild
   [stderr] Benchmarking list_primitive_non_null/bloom_filter
   [stderr] Benchmarking list_primitive_non_null/bloom_filter: Warming up for 
3.0000 s
   [stderr] Warning: Unable to complete 100 samples in 5.0s. You may wish to 
increase target time to 34.4s, or reduce sample count to 10.
   [stderr] Benchmarking list_primitive_non_null/bloom_filter: Collecting 100 
samples in estimated 34.423 s (100 iterations)
   ```
   
   </details>
   
   <details><summary>Kubernetes message</summary>
   
   ```
   Job has reached the specified backoff limit
   ```
   
   </details>
   
   ---
   [File an issue](https://github.com/adriangb/datafusion-benchmarking/issues) 
against this benchmark runner
   ````
   
   </details>
   
   <details><summary>Details</summary>
   
   ```
   group                                                            base        
                           changed
   -----                                                            ----        
                           -------
   bool/cdc                                                         1.05     
13.6±0.10ms    18.4 MB/sec    1.00     13.0±0.03ms 77.2 MElem/sec
   bool_dictionary/number_distinct_values                                       
                           1.00     23.1±0.11ms 43.3 MElem/sec
   bool_dictionary/zstd_parquet_2                                               
                           1.00      9.8±0.04ms 101.6 MElem/sec
   bool_non_null/default                                            1.04      
2.4±0.01ms    52.9 MB/sec    1.00      2.3±0.01ms 441.1 MElem/sec
   bool_non_null/parquet_2                                          1.00      
4.6±0.01ms    27.1 MB/sec    1.00      4.6±0.01ms 215.9 MElem/sec
   bool_non_null/zstd                                               1.01      
2.6±0.01ms    47.2 MB/sec    1.00      2.6±0.01ms 381.5 MElem/sec
   bool_ree/bloom_filter                                            1.00     
28.2±0.17ms     7.5 MB/sec    1.00     28.1±0.10ms 35.6 MElem/sec
   bool_ree/parquet_2                                               1.00     
26.1±0.07ms     8.2 MB/sec    1.00     26.2±0.10ms 38.2 MElem/sec
   bool_ree/zstd                                                    1.00     
25.8±0.05ms     8.2 MB/sec    1.01     26.0±0.11ms 38.5 MElem/sec
   byte_array_sparse_99pct_null/bloom_filter                                    
                           1.00     11.4±0.21ms 87.4 MElem/sec
   byte_array_sparse_99pct_null/parquet_2                                       
                           1.00      9.2±0.20ms 109.1 MElem/sec
   byte_array_sparse_99pct_null/zstd_parquet_2                                  
                           1.00     15.9±0.08ms 62.7 MElem/sec
   decimal/bloom_filter                                             1.00    
138.3±1.09ms   433.7 MB/sec    1.04    143.6±1.33ms  7.0 MElem/sec
   decimal/cdc                                                      1.00     
98.3±0.65ms   610.3 MB/sec    1.01     99.2±0.79ms 10.1 MElem/sec
   decimal/number_distinct_values                                   1.00    
297.3±1.78ms   201.8 MB/sec    1.04    310.0±2.88ms  3.2 MElem/sec
   decimal/parquet_2                                                1.00    
180.8±3.11ms   331.8 MB/sec    1.02    184.3±2.78ms  5.4 MElem/sec
   decimal/zstd                                                     1.00     
98.4±0.73ms   609.7 MB/sec    1.05    103.0±1.20ms  9.7 MElem/sec
   decimal/zstd_parquet_2                                           1.00    
200.4±3.07ms   299.3 MB/sec    1.03    205.7±2.63ms  4.9 MElem/sec
   decimal128_dictionary/default                                                
                           1.00     33.7±0.27ms 29.7 MElem/sec
   decimal128_dictionary/number_distinct_values                                 
                           1.00     69.0±0.76ms 14.5 MElem/sec
   decimal128_dictionary/parquet_2                                              
                           1.00     67.7±1.25ms 14.8 MElem/sec
   decimal128_dictionary/zstd_parquet_2                                         
                           1.00     71.9±1.23ms 13.9 MElem/sec
   decimal128_dictionary_1pct_cardinality/default                               
                           1.00     30.2±0.33ms 33.1 MElem/sec
   decimal128_dictionary_1pct_cardinality/number_distinct_values                
                           1.00     45.8±0.30ms 21.8 MElem/sec
   decimal128_dictionary_1pct_cardinality/parquet_2                             
                           1.00     38.3±0.46ms 26.1 MElem/sec
   decimal128_sparse/bloom_filter                                               
                           1.00     40.8±0.50ms 24.5 MElem/sec
   decimal128_sparse/cdc                                                        
                           1.00     33.5±0.30ms 29.8 MElem/sec
   decimal128_sparse/default                                                    
                           1.00     29.8±0.27ms 33.6 MElem/sec
   decimal128_sparse/number_distinct_values                                     
                           1.00     62.9±0.48ms 15.9 MElem/sec
   decimal128_sparse/parquet_2                                                  
                           1.00     67.6±1.10ms 14.8 MElem/sec
   fixed_size_binary_non_null/bloom_filter                                      
                           1.00     50.7±0.40ms 19.7 MElem/sec
   fixed_size_binary_non_null/cdc                                               
                           1.00     37.2±0.92ms 26.9 MElem/sec
   fixed_size_binary_non_null/number_distinct_values                            
                           1.00     87.8±0.49ms 11.4 MElem/sec
   fixed_size_binary_non_null/parquet_2                                         
                           1.00     78.1±1.46ms 12.8 MElem/sec
   fixed_size_binary_non_null/zstd                                              
                           1.00     55.7±0.42ms 18.0 MElem/sec
   fixed_size_binary_non_null/zstd_parquet_2                                    
                           1.00     98.8±1.45ms 10.1 MElem/sec
   fixed_size_binary_ree/cdc                                        1.00     
60.5±0.31ms    16.6 MB/sec    1.00     60.3±0.37ms 16.6 MElem/sec
   fixed_size_binary_ree/number_distinct_values                     1.00     
69.1±0.33ms    14.6 MB/sec    1.05     72.3±0.43ms 13.8 MElem/sec
   fixed_size_binary_ree/zstd                                       1.00     
57.0±0.31ms    17.7 MB/sec    1.05     60.0±0.40ms 16.7 MElem/sec
   fixed_size_binary_ree_low_cardinality/bloom_filter                           
                           1.00     54.4±0.44ms 18.4 MElem/sec
   fixed_size_binary_ree_low_cardinality/number_distinct_values                 
                           1.00     64.6±2.79ms 15.5 MElem/sec
   fixed_size_binary_ree_low_cardinality/zstd                                   
                           1.00     67.5±0.44ms 14.8 MElem/sec
   float64_dictionary/bloom_filter                                              
                           1.00     20.3±0.14ms 49.3 MElem/sec
   float64_dictionary/cdc                                                       
                           1.00     18.9±0.04ms 52.8 MElem/sec
   float64_dictionary/number_distinct_values                                    
                           1.00     49.0±0.17ms 20.4 MElem/sec
   float64_dictionary/zstd                                                      
                           1.00     22.6±0.11ms 44.3 MElem/sec
   float64_dictionary_1pct_cardinality/default                                  
                           1.00     13.1±0.13ms 76.6 MElem/sec
   float64_dictionary_1pct_cardinality/number_distinct_values                   
                           1.00     27.8±0.14ms 36.0 MElem/sec
   float64_dictionary_1pct_cardinality/zstd                                     
                           1.00     15.1±0.05ms 66.4 MElem/sec
   float64_dictionary_1pct_cardinality/zstd_parquet_2                           
                           1.00     15.6±0.10ms 64.0 MElem/sec
   float_with_nans/bloom_filter                                     1.00     
75.8±0.46ms   184.6 MB/sec    1.00     75.9±0.77ms 13.2 MElem/sec
   float_with_nans/cdc                                              1.01     
67.1±0.47ms   208.5 MB/sec    1.00     66.7±1.04ms 15.0 MElem/sec
   float_with_nans/number_distinct_values                           1.00    
158.5±0.59ms    88.3 MB/sec    1.00    158.0±0.38ms  6.3 MElem/sec
   float_with_nans/zstd_parquet_2                                   1.02    
110.0±0.64ms   127.3 MB/sec    1.00    107.8±0.42ms  9.3 MElem/sec
   fsb/default                                                      1.03      
7.0±0.08ms     2.3 GB/sec    1.00      6.8±0.05ms 147.6 MElem/sec
   fsb/number_distinct_values                                       1.02     
11.3±0.10ms  1422.4 MB/sec    1.00     11.1±0.08ms 90.3 MElem/sec
   fsb/parquet_2                                                    1.04     
13.2±0.12ms  1221.3 MB/sec    1.00     12.6±0.08ms 79.1 MElem/sec
   fsb/zstd_parquet_2                                               1.03     
14.0±0.13ms  1152.4 MB/sec    1.00     13.6±0.10ms 73.5 MElem/sec
   int32_ree/bloom_filter                                           1.03     
35.1±0.10ms    11.6 MB/sec    1.00     34.2±0.07ms 29.3 MElem/sec
   int32_ree/default                                                1.02     
34.5±0.07ms    11.8 MB/sec    1.00     33.8±0.05ms 29.6 MElem/sec
   int32_ree/number_distinct_values                                 1.00     
50.5±0.31ms     8.1 MB/sec    1.01     50.9±0.17ms 19.7 MElem/sec
   int32_ree/zstd_parquet_2                                         1.02     
34.9±0.09ms    11.6 MB/sec    1.00     34.3±0.04ms 29.2 MElem/sec
   int32_ree_95pct_null/bloom_filter                                1.00     
21.4±0.02ms    19.0 MB/sec    1.00     21.3±0.05ms 46.9 MElem/sec
   int32_ree_95pct_null/cdc                                         1.01     
23.6±0.07ms    17.3 MB/sec    1.00     23.3±0.03ms 43.0 MElem/sec
   int32_ree_95pct_null/default                                     1.01     
21.3±0.02ms    19.1 MB/sec    1.00     21.0±0.04ms 47.7 MElem/sec
   int32_ree_95pct_null/zstd_parquet_2                              1.01     
21.4±0.03ms    19.0 MB/sec    1.00     21.2±0.02ms 47.3 MElem/sec
   int64_dictionary/default                                                     
                           1.00     14.5±0.08ms 69.1 MElem/sec
   int64_dictionary/number_distinct_values                                      
                           1.00     47.4±0.14ms 21.1 MElem/sec
   int64_dictionary/zstd                                                        
                           1.00     17.2±0.07ms 58.1 MElem/sec
   int64_dictionary_1pct_cardinality/cdc                                        
                           1.00     14.7±0.03ms 68.1 MElem/sec
   int64_dictionary_1pct_cardinality/number_distinct_values                     
                           1.00     27.3±0.12ms 36.6 MElem/sec
   int64_dictionary_1pct_cardinality/zstd_parquet_2                             
                           1.00     14.3±0.05ms 70.0 MElem/sec
   int64_ree_low_cardinality/default                                            
                           1.00     20.9±0.05ms 47.8 MElem/sec
   int64_ree_low_cardinality/zstd                                               
                           1.00     20.6±0.04ms 48.4 MElem/sec
   int64_ree_low_cardinality/zstd_parquet_2                                     
                           1.00     21.0±0.04ms 47.6 MElem/sec
   large_string_distinct/plain                                      1.06     
62.5±1.12ms     4.0 GB/sec    1.00     59.1±0.71ms     4.2 GB/sec
   large_string_non_null/cdc                                        1.00    
240.2±1.72ms  1065.8 MB/sec    1.01    242.6±1.34ms  4.1 KElem/sec
   large_string_non_null/number_distinct_values                     1.00     
67.2±0.57ms     3.7 GB/sec    1.01     68.0±0.16ms 14.7 KElem/sec
   large_string_non_null/zstd                                       1.00     
51.8±0.49ms     4.8 GB/sec    1.00     51.7±0.12ms 19.3 KElem/sec
   large_string_shared_prefix/delta_byte_array                      1.02     
44.2±0.23ms     5.7 GB/sec    1.00     43.5±0.17ms     5.7 GB/sec
   large_string_shared_prefix/plain                                 1.07     
97.1±0.95ms     2.6 GB/sec    1.00     90.8±0.28ms     2.8 GB/sec
   large_string_shared_prefix_list/delta_byte_array                 1.03     
57.0±0.65ms     4.4 GB/sec    1.00     55.2±0.30ms     4.5 GB/sec
   large_string_shared_prefix_nullable/delta_byte_array             1.00     
40.4±0.05ms     6.2 GB/sec    1.00     40.4±0.15ms     6.2 GB/sec
   large_string_shared_prefix_nullable/plain                        1.08     
67.6±0.57ms     3.7 GB/sec    1.00     62.5±0.59ms     4.0 GB/sec
   list_int32_ree/cdc                                                           
                           1.00    164.7±0.57ms  6.1 MElem/sec
   list_int32_ree/number_distinct_values                                        
                           1.00    244.9±0.36ms  4.1 MElem/sec
   list_int32_ree/parquet_2                                                     
                           1.00    118.9±0.69ms  8.4 MElem/sec
   list_int32_ree/zstd_parquet_2                                                
                           1.00    117.5±0.38ms  8.5 MElem/sec
   list_int32_ree_short_runs/cdc                                                
                           1.00    175.6±0.70ms  5.7 MElem/sec
   list_int32_ree_short_runs/number_distinct_values                             
                           1.00    257.2±1.12ms  3.9 MElem/sec
   list_int32_ree_short_runs/zstd                                               
                           1.00    133.2±0.98ms  7.5 MElem/sec
   list_int32_ree_short_runs/zstd_parquet_2                                     
                           1.00    132.7±0.96ms  7.5 MElem/sec
   list_nested/default                                              1.00    
118.9±0.17ms   242.7 MB/sec    1.01    119.5±0.39ms  8.4 MElem/sec
   list_nested/number_distinct_values                               1.00    
274.6±1.19ms   105.1 MB/sec    1.04   286.4±12.92ms  3.5 MElem/sec
   list_nested/zstd_parquet_2                                       1.00    
142.1±0.17ms   203.0 MB/sec    1.01    143.2±0.31ms  7.0 MElem/sec
   list_of_int32_ree/number_distinct_values                                     
                           1.00    175.5±0.51ms  5.7 MElem/sec
   list_of_int32_ree_alt_empty/bloom_filter                                     
                           1.00     79.8±0.53ms 12.5 MElem/sec
   list_of_int32_ree_alt_empty/default                                          
                           1.00     80.0±0.58ms 12.5 MElem/sec
   list_of_int32_ree_alt_empty/parquet_2                                        
                           1.00     79.3±0.28ms 12.6 MElem/sec
   list_of_int32_ree_alt_empty/zstd                                             
                           1.00     80.5±0.55ms 12.4 MElem/sec
   list_of_int32_ree_alt_null/cdc                                               
                           1.00    126.7±0.37ms  7.9 MElem/sec
   list_of_int32_ree_alt_null/default                                           
                           1.00    114.0±0.48ms  8.8 MElem/sec
   list_of_int32_ree_alt_null/number_distinct_values                            
                           1.00    142.5±0.59ms  7.0 MElem/sec
   list_of_int32_ree_alt_null/parquet_2                                         
                           1.00    113.6±0.32ms  8.8 MElem/sec
   list_of_list_int32_ree/bloom_filter                                          
                           1.00    146.4±0.64ms  6.8 MElem/sec
   list_of_list_int32_ree/parquet_2                                             
                           1.00    142.9±0.34ms  7.0 MElem/sec
   list_primitive/bloom_filter                                      1.28   
331.7±13.00ms  1644.3 MB/sec    1.00    259.6±4.09ms  3.9 MElem/sec
   list_primitive/cdc                                               1.02    
299.9±5.32ms  1818.7 MB/sec    1.00    294.9±0.67ms  3.4 MElem/sec
   list_primitive/default                                           1.09    
200.8±2.83ms     2.7 GB/sec    1.00    184.8±0.60ms  5.4 MElem/sec
   list_primitive/parquet_2                                         1.08    
219.5±1.09ms     2.4 GB/sec    1.00    203.2±0.39ms  4.9 MElem/sec
   list_primitive_non_null/number_distinct_values                   1.33   
658.0±22.01ms   827.1 MB/sec    1.00    495.0±7.74ms  2.0 MElem/sec
   list_primitive_non_null/zstd                                     1.08    
674.9±6.08ms   806.5 MB/sec    1.00    626.7±2.88ms 1633.8 KElem/sec
   list_primitive_non_null/zstd_parquet_2                           1.04   
630.2±14.58ms   863.6 MB/sec    1.00    605.1±1.08ms 1692.3 KElem/sec
   list_primitive_sparse_99pct_null/default                         1.08     
13.2±0.07ms     2.8 GB/sec    1.00     12.2±0.05ms 81.9 MElem/sec
   list_primitive_sparse_99pct_null/parquet_2                       1.04     
12.8±0.06ms     2.9 GB/sec    1.00     12.3±0.04ms 81.5 MElem/sec
   list_primitive_sparse_99pct_null/zstd                            1.07     
15.1±0.05ms     2.4 GB/sec    1.00     14.0±0.03ms 71.3 MElem/sec
   list_string_ree/default                                                      
                           1.00    126.4±0.50ms  7.9 MElem/sec
   list_string_ree/number_distinct_values                                       
                           1.00    204.6±0.71ms  4.9 MElem/sec
   list_string_ree/parquet_2                                                    
                           1.00    125.3±0.46ms  8.0 MElem/sec
   list_string_ree/zstd                                                         
                           1.00    126.4±0.48ms  7.9 MElem/sec
   list_struct_with_list/parquet_2                                  1.00    
246.1±1.18ms   185.2 MB/sec    1.01    248.8±0.93ms  4.0 MElem/sec
   list_struct_with_list/zstd                                       1.00    
255.0±1.60ms   178.8 MB/sec    1.01    256.6±0.79ms  3.9 MElem/sec
   ndv/bool/ndv_on                                                  1.00      
9.8±0.15ms     8.0 MB/sec    1.00      9.8±0.17ms     8.1 MB/sec
   ndv/fsb16_high_cardinality/ndv_on                                1.00     
36.2±0.27ms   276.4 MB/sec    1.01     36.5±0.25ms   274.2 MB/sec
   ndv/fsb16_low_cardinality/ndv_on                                 1.00     
30.0±0.29ms   333.4 MB/sec    1.00     30.0±0.25ms   333.5 MB/sec
   ndv/int32_high_cardinality/ndv_on                                1.00     
28.2±0.06ms    88.6 MB/sec    1.01     28.4±0.05ms    88.1 MB/sec
   ndv/int32_low_cardinality/ndv_on                                 1.00     
16.1±0.06ms   155.4 MB/sec    1.01     16.2±0.05ms   154.6 MB/sec
   ndv/large_binary_low_cardinality/ndv_on                          1.00     
24.7±0.10ms   608.2 MB/sec    1.02     25.1±0.10ms   598.5 MB/sec
   ndv/utf8_high_cardinality/ndv_on                                 1.00     
66.4±0.23ms     2.4 GB/sec    1.00     66.1±1.44ms     2.4 GB/sec
   ndv/utf8_low_cardinality/ndv_on                                  1.00     
23.9±0.06ms   313.5 MB/sec    1.01     24.1±0.09ms   311.4 MB/sec
   ndv/utf8_view_high_cardinality/ndv_on                            1.00     
38.5±0.06ms   260.1 MB/sec    1.00     38.3±0.06ms   261.0 MB/sec
   numeric_ree_of_dict/bloom_filter                                             
                           1.00     32.1±0.18ms 31.1 MElem/sec
   numeric_ree_of_dict/cdc                                                      
                           1.00     35.2±0.17ms 28.4 MElem/sec
   numeric_ree_of_dict/default                                                  
                           1.00     32.4±0.06ms 30.9 MElem/sec
   numeric_ree_of_dict/number_distinct_values                                   
                           1.00     50.3±0.40ms 19.9 MElem/sec
   numeric_ree_of_dict/zstd                                                     
                           1.00     32.3±0.26ms 30.9 MElem/sec
   primitive/bloom_filter                                           1.00    
131.4±0.59ms   341.6 MB/sec    1.08    141.7±0.68ms  7.1 MElem/sec
   primitive/cdc                                                    1.00    
147.0±1.13ms   305.3 MB/sec    1.00    146.4±0.41ms  6.8 MElem/sec
   primitive/default                                                1.00    
105.9±1.62ms   423.7 MB/sec    1.00    106.3±0.21ms  9.4 MElem/sec
   primitive/zstd                                                   1.00    
137.3±1.05ms   326.8 MB/sec    1.01    138.3±0.24ms  7.2 MElem/sec
   primitive/zstd_parquet_2                                         1.00    
151.2±1.48ms   296.7 MB/sec    1.00    151.7±0.53ms  6.6 MElem/sec
   primitive_all_null/bloom_filter                                  1.08    
902.9±5.54µs    48.5 GB/sec    1.00    832.2±2.38µs 1201.6 MElem/sec
   primitive_all_null/cdc                                           1.00     
19.2±0.25ms     2.3 GB/sec    1.00     19.3±0.35ms 51.8 MElem/sec
   primitive_all_null/default                                       1.18    
273.1±2.06µs   160.5 GB/sec    1.00    231.8±1.87µs  4.2 GElem/sec
   primitive_all_null/zstd                                          1.17    
415.2±2.12µs   105.5 GB/sec    1.00    354.8±2.27µs  2.8 GElem/sec
   primitive_dictionary/bloom_filter                                            
                           1.00     22.5±0.09ms 44.5 MElem/sec
   primitive_dictionary/default                                                 
                           1.00     18.4±0.08ms 54.3 MElem/sec
   primitive_dictionary/parquet_2                                               
                           1.00     20.5±0.13ms 48.9 MElem/sec
   primitive_dictionary/zstd                                                    
                           1.00     20.8±0.10ms 48.2 MElem/sec
   primitive_dictionary/zstd_parquet_2                                          
                           1.00     23.3±0.05ms 42.9 MElem/sec
   primitive_dictionary_1pct_cardinality/cdc                                    
                           1.00     15.6±0.09ms 64.2 MElem/sec
   primitive_dictionary_1pct_cardinality/number_distinct_values                 
                           1.00     27.4±0.09ms 36.5 MElem/sec
   primitive_dictionary_1pct_cardinality/parquet_2                              
                           1.00     12.1±0.03ms 82.8 MElem/sec
   primitive_non_null/default                                       1.00     
56.4±0.50ms   779.8 MB/sec    1.02     57.5±0.11ms 17.4 MElem/sec
   primitive_sparse_99pct_null/bloom_filter                         1.10     
13.0±0.16ms     3.4 GB/sec    1.00     11.9±0.16ms 84.2 MElem/sec
   primitive_sparse_99pct_null/zstd                                 1.07     
14.9±0.06ms     2.9 GB/sec    1.00     14.0±0.18ms 71.6 MElem/sec
   ree_struct_of_dict/number_distinct_values                                    
                           1.00     98.3±0.85ms 10.2 MElem/sec
   ree_struct_of_dict/parquet_2                                                 
                           1.00     58.5±0.22ms 17.1 MElem/sec
   ree_struct_of_dict/zstd                                                      
                           1.00     62.2±0.29ms 16.1 MElem/sec
   short_string_non_null/bloom_filter                               1.00     
26.4±0.08ms   454.7 MB/sec    1.07     28.3±0.06ms 35.3 MElem/sec
   short_string_non_null/default                                    1.00     
15.2±0.04ms   787.2 MB/sec    1.06     16.1±0.09ms 62.2 MElem/sec
   short_string_non_null/number_distinct_values                     1.00     
68.9±0.20ms   174.1 MB/sec    1.02     70.0±1.56ms 14.3 MElem/sec
   short_string_non_null/parquet_2                                  1.00     
24.6±0.07ms   488.1 MB/sec    1.03     25.4±0.09ms 39.3 MElem/sec
   short_string_non_null/zstd_parquet_2                             1.00     
27.5±0.12ms   435.6 MB/sec    1.03     28.3±0.19ms 35.3 MElem/sec
   small_string_shared_prefix/delta_byte_array                      1.00    
977.4±1.14µs     8.0 GB/sec    1.00    978.2±3.76µs     8.0 GB/sec
   string/cdc                                                       1.03    
203.9±7.54ms     2.5 GB/sec    1.00    197.3±0.45ms  5.1 MElem/sec
   string/number_distinct_values                                    1.18   
220.9±10.84ms     2.3 GB/sec    1.00    186.8±0.44ms  5.4 MElem/sec
   string/zstd                                                      1.16   
467.4±15.80ms  1121.5 MB/sec    1.00    403.3±1.28ms  2.5 MElem/sec
   string/zstd_parquet_2                                            1.19   
455.1±20.95ms  1152.0 MB/sec    1.00    382.1±0.34ms  2.6 MElem/sec
   string_and_binary_view/number_distinct_values                    1.00    
112.3±0.50ms   287.1 MB/sec    1.00    112.4±0.21ms  8.9 MElem/sec
   string_and_binary_view/parquet_2                                 1.00     
58.2±0.12ms   554.6 MB/sec    1.01     59.0±0.20ms 17.0 MElem/sec
   string_and_binary_view/zstd                                      1.00     
85.6±0.17ms   376.6 MB/sec    1.02     87.0±0.17ms 11.5 MElem/sec
   string_and_binary_view/zstd_parquet_2                            1.00     
72.1±0.15ms   447.4 MB/sec    1.02     73.2±0.20ms 13.7 MElem/sec
   string_dictionary/default                                        2.38     
95.2±1.96ms     2.7 GB/sec    1.00     40.1±0.06ms 25.0 MElem/sec
   string_dictionary/number_distinct_values                         1.03     
99.0±0.56ms     2.6 GB/sec    1.00     95.9±0.22ms 10.4 MElem/sec
   string_dictionary/parquet_2                                      1.00     
47.8±0.17ms     5.4 GB/sec    1.00     48.0±0.36ms 20.9 MElem/sec
   string_dictionary/zstd_parquet_2                                 1.22    
233.4±0.62ms  1131.6 MB/sec    1.00    192.0±0.18ms  5.2 MElem/sec
   string_dictionary_1pct_cardinality/number_distinct_values                    
                           1.00     39.7±0.14ms 25.2 MElem/sec
   string_dictionary_1pct_cardinality/parquet_2                                 
                           1.00     20.7±0.07ms 48.3 MElem/sec
   string_dictionary_1pct_cardinality/zstd                                      
                           1.00     23.6±0.08ms 42.4 MElem/sec
   string_dictionary_1pct_cardinality/zstd_parquet_2                            
                           1.00     23.3±0.06ms 42.9 MElem/sec
   string_dictionary_low_cardinality_100/bloom_filter               1.00     
21.7±0.07ms   184.9 MB/sec    1.00     21.6±0.05ms 46.3 MElem/sec
   string_dictionary_low_cardinality_100/cdc                        1.00     
23.7±0.08ms   168.9 MB/sec    1.00     23.6±0.05ms 42.3 MElem/sec
   string_dictionary_low_cardinality_100/default                    1.01     
21.6±0.07ms   185.5 MB/sec    1.00     21.5±0.05ms 46.6 MElem/sec
   string_dictionary_low_cardinality_100/parquet_2                  1.00     
21.4±0.07ms   186.9 MB/sec    1.00     21.4±0.06ms 46.8 MElem/sec
   string_dictionary_low_cardinality_20/bloom_filter                1.00     
21.7±0.07ms   184.4 MB/sec    1.00     21.6±0.07ms 46.2 MElem/sec
   string_dictionary_low_cardinality_20/cdc                         1.02     
24.0±0.09ms   167.0 MB/sec    1.00     23.6±0.07ms 42.4 MElem/sec
   string_dictionary_low_cardinality_20/default                     1.02     
21.6±0.09ms   185.4 MB/sec    1.00     21.2±0.06ms 47.1 MElem/sec
   string_dictionary_low_cardinality_400/default                    1.00     
22.0±0.10ms   182.7 MB/sec    1.02     22.4±0.10ms 44.6 MElem/sec
   string_dictionary_low_cardinality_400/number_distinct_values     1.02     
45.5±0.10ms    88.1 MB/sec    1.00     44.8±0.11ms 22.3 MElem/sec
   string_non_null/default                                          1.30    
110.9±5.42ms     4.6 GB/sec    1.00     85.5±0.58ms 11.7 MElem/sec
   string_non_null/number_distinct_values                           1.14   
288.3±15.45ms  1817.8 MB/sec    1.00    252.8±2.41ms  4.0 MElem/sec
   string_non_null/parquet_2                                        1.16   
119.1±11.63ms     4.3 GB/sec    1.00    102.9±0.54ms  9.7 MElem/sec
   string_non_null/zstd                                             1.08    
560.8±8.21ms   934.3 MB/sec    1.00    519.9±2.29ms 1969.7 KElem/sec
   string_ree/bloom_filter                                          1.89   
190.8±10.41ms    86.0 MB/sec    1.00    101.0±0.23ms  9.9 MElem/sec
   string_ree/cdc                                                   1.31    
227.7±4.21ms    72.0 MB/sec    1.00    173.7±0.46ms  5.8 MElem/sec
   string_ree/default                                               1.73    
132.6±5.16ms   123.8 MB/sec    1.00     76.8±0.37ms 13.0 MElem/sec
   string_ree/parquet_2                                             1.67    
131.5±4.27ms   124.7 MB/sec    1.00     78.5±0.32ms 12.7 MElem/sec
   string_ree_95pct_null/cdc                                        1.02     
32.4±0.11ms    43.4 MB/sec    1.00     31.8±0.10ms 31.5 MElem/sec
   string_ree_95pct_null/number_distinct_values                     1.02     
26.8±0.15ms    52.5 MB/sec    1.00     26.4±0.11ms 37.9 MElem/sec
   string_ree_95pct_null/zstd_parquet_2                             1.02     
25.7±0.09ms    54.8 MB/sec    1.00     25.1±0.22ms 39.8 MElem/sec
   string_ree_int64_run_ends/parquet_2                                          
                           1.00     35.8±0.16ms 28.0 MElem/sec
   string_ree_low_cardinality/zstd                                              
                           1.00     36.0±0.22ms 27.8 MElem/sec
   string_ree_of_dict/number_distinct_values                                    
                           1.00     61.8±0.23ms 16.2 MElem/sec
   string_ree_of_dict/parquet_2                                                 
                           1.00     42.7±0.36ms 23.4 MElem/sec
   string_ree_of_dict/zstd_parquet_2                                            
                           1.00     42.6±0.19ms 23.5 MElem/sec
   struct_all_null/bloom_filter                                     1.08    
379.5±3.86µs    41.5 GB/sec    1.00    351.6±0.96µs  2.8 GElem/sec
   struct_all_null/cdc                                              1.01      
7.9±0.17ms  2039.5 MB/sec    1.00      7.8±0.06ms 127.8 MElem/sec
   struct_all_null/number_distinct_values                           1.20    
118.2±0.88µs   133.3 GB/sec    1.00     98.6±0.82µs  9.9 GElem/sec
   struct_all_null/zstd                                             1.16    
178.1±0.87µs    88.4 GB/sec    1.00    153.4±1.14µs  6.4 GElem/sec
   struct_non_null/number_distinct_values                           1.02    
187.9±1.86ms    85.1 MB/sec    1.00    185.1±0.69ms  5.4 MElem/sec
   struct_non_null/zstd                                             1.00     
36.4±0.19ms   439.2 MB/sec    1.00     36.4±0.09ms 27.5 MElem/sec
   struct_of_list_of_int32_ree_alt_null/bloom_filter                            
                           1.00    116.0±0.35ms  8.6 MElem/sec
   struct_of_list_of_int32_ree_alt_null/cdc                                     
                           1.00    127.2±0.21ms  7.9 MElem/sec
   struct_of_list_of_int32_ree_alt_null/default                                 
                           1.00    115.9±0.45ms  8.6 MElem/sec
   struct_of_list_of_int32_ree_alt_null/parquet_2                               
                           1.00    115.8±0.44ms  8.6 MElem/sec
   struct_of_list_of_int32_ree_alt_null/zstd                                    
                           1.00    115.2±0.29ms  8.7 MElem/sec
   struct_of_list_of_int32_ree_fragmented/bloom_filter                          
                           1.00    123.0±0.65ms  8.1 MElem/sec
   struct_of_list_of_int32_ree_fragmented/cdc                                   
                           1.00    143.2±1.21ms  7.0 MElem/sec
   struct_of_list_of_int32_ree_fragmented/number_distinct_values                
                           1.00    177.2±0.48ms  5.6 MElem/sec
   struct_of_list_of_int32_ree_fragmented/parquet_2                             
                           1.00    123.0±0.97ms  8.1 MElem/sec
   struct_of_list_of_int32_ree_fragmented/zstd                                  
                           1.00    125.3±0.69ms  8.0 MElem/sec
   struct_of_list_of_int32_ree_fragmented/zstd_parquet_2                        
                           1.00    122.9±0.50ms  8.1 MElem/sec
   struct_of_list_of_int32_ree_single_null/default                              
                           1.00    125.1±1.57ms  8.0 MElem/sec
   struct_of_list_of_int32_ree_single_null/parquet_2                            
                           1.00    122.9±0.77ms  8.1 MElem/sec
   struct_of_list_of_int32_ree_single_null/zstd                                 
                           1.00    125.1±0.49ms  8.0 MElem/sec
   struct_of_list_of_int32_ree_single_null/zstd_parquet_2                       
                           1.00    121.3±0.91ms  8.2 MElem/sec
   struct_ree/number_distinct_values                                            
                           1.00     78.2±0.37ms 12.8 MElem/sec
   struct_ree/zstd                                                              
                           1.00     46.9±0.24ms 21.3 MElem/sec
   struct_ree/zstd_parquet_2                                                    
                           1.00     46.1±0.21ms 21.7 MElem/sec
   struct_ree_short_runs/cdc                                                    
                           1.00     75.0±0.31ms 13.3 MElem/sec
   struct_ree_short_runs/number_distinct_values                                 
                           1.00     92.7±0.33ms 10.8 MElem/sec
   struct_ree_short_runs/parquet_2                                              
                           1.00     60.7±0.64ms 16.5 MElem/sec
   struct_sparse_99pct_null/bloom_filter                            1.07      
6.8±0.15ms     2.3 GB/sec    1.00      6.4±0.06ms 157.2 MElem/sec
   struct_sparse_99pct_null/cdc                                     1.07     
14.1±0.09ms  1145.9 MB/sec    1.00     13.2±0.11ms 76.0 MElem/sec
   struct_sparse_99pct_null/default                                 1.05      
6.1±0.05ms     2.6 GB/sec    1.00      5.8±0.02ms 172.6 MElem/sec
   struct_sparse_99pct_null/number_distinct_values                  1.13      
8.1±0.11ms  1991.4 MB/sec    1.00      7.2±0.05ms 139.7 MElem/sec
   struct_sparse_99pct_null/zstd_parquet_2                          1.01      
6.8±0.05ms     2.3 GB/sec    1.00      6.7±0.07ms 149.5 MElem/sec
   
   ```
   
   </details>
   
   <details><summary>Per-runner information</summary>
   
   <details><summary>arrow&#95;writer — shard 1/4</summary>
   
   **Node:** gk3-benchmark-cluster-nap-zh2rj7nw-44c5e3c0-96nn
   
   **Instance:** c4a-highmem-16 (12 vCPU / 65 GiB)
   
   **uname:**
   
   ```text
   Linux bench-c5923351475-2982-96rnt 6.12.94+ #1 SMP Wed Aug 19 07:47:20 UTC 
2026 aarch64 GNU/Linux
   ```
   
   **BENCH_COMMAND:**
   
   ```sh
   cargo bench --features=arrow,async,test_common,experimental,object_store 
--bench arrow_writer
   ```
   
   <details><summary>CPU Details (lscpu)</summary>
   
   ```text
   Architecture:                            aarch64
   CPU op-mode(s):                          64-bit
   Byte Order:                              Little Endian
   CPU(s):                                  16
   On-line CPU(s) list:                     0-15
   Vendor ID:                               ARM
   Model name:                              Neoverse-V2
   Model:                                   1
   Thread(s) per core:                      1
   Core(s) per cluster:                     16
   Socket(s):                               -
   Cluster(s):                              1
   Stepping:                                r0p1
   BogoMIPS:                                2000.00
   Flags:                                   fp asimd evtstrm aes pmull sha1 
sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 sm3 
sm4 asimddp sha512 sve asimdfhm dit uscat ilrcpc flagm sb paca pacg dcpodp sve2 
sveaes svepmull svebitperm svesha3 svesm4 flagm2 frint svei8mm svebf16 i8mm 
bf16 dgh rng bti
   L1d cache:                               1 MiB (16 instances)
   L1i cache:                               1 MiB (16 instances)
   L2 cache:                                32 MiB (16 instances)
   L3 cache:                                80 MiB (1 instance)
   NUMA node(s):                            1
   NUMA node0 CPU(s):                       0-15
   Vulnerability Gather data sampling:      Not affected
   Vulnerability Indirect target selection: Not affected
   Vulnerability Itlb multihit:             Not affected
   Vulnerability L1tf:                      Not affected
   Vulnerability Mds:                       Not affected
   Vulnerability Meltdown:                  Not affected
   Vulnerability Mmio stale data:           Not affected
   Vulnerability Reg file data sampling:    Not affected
   Vulnerability Retbleed:                  Not affected
   Vulnerability Spec rstack overflow:      Not affected
   Vulnerability Spec store bypass:         Mitigation; Speculative Store 
Bypass disabled via prctl
   Vulnerability Spectre v1:                Mitigation; __user pointer 
sanitization
   Vulnerability Spectre v2:                Mitigation; CSV2, BHB
   Vulnerability Srbds:                     Not affected
   Vulnerability Tsa:                       Not affected
   Vulnerability Tsx async abort:           Not affected
   Vulnerability Vmscape:                   Not affected
   ```
   
   </details>
   
   <details><summary>Resource Usage</summary>
   
   No completed measurement resource samples.
   
   </details>
   
   </details>
   
   <details><summary>arrow&#95;writer — shard 2/4</summary>
   
   **Node:** gk3-benchmark-cluster-nap-zh2rj7nw-7f7df25b-sx2l
   
   **Instance:** c4a-highmem-16 (12 vCPU / 65 GiB)
   
   **uname:**
   
   ```text
   Linux bench-c5923351475-2983-hq9kt 6.12.94+ #1 SMP Wed Aug 19 07:47:20 UTC 
2026 aarch64 GNU/Linux
   ```
   
   **BENCH_COMMAND:**
   
   ```sh
   cargo bench --features=arrow,async,test_common,experimental,object_store 
--bench arrow_writer
   ```
   
   <details><summary>CPU Details (lscpu)</summary>
   
   ```text
   Architecture:                            aarch64
   CPU op-mode(s):                          64-bit
   Byte Order:                              Little Endian
   CPU(s):                                  16
   On-line CPU(s) list:                     0-15
   Vendor ID:                               ARM
   Model name:                              Neoverse-V2
   Model:                                   1
   Thread(s) per core:                      1
   Core(s) per cluster:                     16
   Socket(s):                               -
   Cluster(s):                              1
   Stepping:                                r0p1
   BogoMIPS:                                2000.00
   Flags:                                   fp asimd evtstrm aes pmull sha1 
sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 sm3 
sm4 asimddp sha512 sve asimdfhm dit uscat ilrcpc flagm sb paca pacg dcpodp sve2 
sveaes svepmull svebitperm svesha3 svesm4 flagm2 frint svei8mm svebf16 i8mm 
bf16 dgh rng bti
   L1d cache:                               1 MiB (16 instances)
   L1i cache:                               1 MiB (16 instances)
   L2 cache:                                32 MiB (16 instances)
   L3 cache:                                80 MiB (1 instance)
   NUMA node(s):                            1
   NUMA node0 CPU(s):                       0-15
   Vulnerability Gather data sampling:      Not affected
   Vulnerability Indirect target selection: Not affected
   Vulnerability Itlb multihit:             Not affected
   Vulnerability L1tf:                      Not affected
   Vulnerability Mds:                       Not affected
   Vulnerability Meltdown:                  Not affected
   Vulnerability Mmio stale data:           Not affected
   Vulnerability Reg file data sampling:    Not affected
   Vulnerability Retbleed:                  Not affected
   Vulnerability Spec rstack overflow:      Not affected
   Vulnerability Spec store bypass:         Mitigation; Speculative Store 
Bypass disabled via prctl
   Vulnerability Spectre v1:                Mitigation; __user pointer 
sanitization
   Vulnerability Spectre v2:                Mitigation; CSV2, BHB
   Vulnerability Srbds:                     Not affected
   Vulnerability Tsa:                       Not affected
   Vulnerability Tsx async abort:           Not affected
   Vulnerability Vmscape:                   Not affected
   ```
   
   </details>
   
   <details><summary>Resource Usage</summary>
   
   **base (merge-base)**
   | Metric | Value |
   |--------|-------|
   | Wall time | 1120.2s |
   | Peak memory | 2.8 GiB |
   | Avg memory | 2.6 GiB |
   | CPU user | 1058.5s |
   | CPU sys | 57.8s |
   | Peak spill | 0 B |
   
   **branch**
   | Metric | Value |
   |--------|-------|
   | Wall time | 1770.4s |
   | Peak memory | 3.2 GiB |
   | Avg memory | 1.7 GiB |
   | CPU user | 1755.0s |
   | CPU sys | 12.2s |
   | Peak spill | 0 B |
   
   
   </details>
   
   </details>
   
   <details><summary>arrow&#95;writer — shard 3/4</summary>
   
   **Node:** gk3-benchmark-cluster-nap-zh2rj7nw-44c5e3c0-hvtk
   
   **Instance:** c4a-highmem-16 (12 vCPU / 65 GiB)
   
   **uname:**
   
   ```text
   Linux bench-c5923351475-2984-td2j6 6.12.94+ #1 SMP Wed Aug 19 07:47:20 UTC 
2026 aarch64 GNU/Linux
   ```
   
   **BENCH_COMMAND:**
   
   ```sh
   cargo bench --features=arrow,async,test_common,experimental,object_store 
--bench arrow_writer
   ```
   
   <details><summary>CPU Details (lscpu)</summary>
   
   ```text
   Architecture:                            aarch64
   CPU op-mode(s):                          64-bit
   Byte Order:                              Little Endian
   CPU(s):                                  16
   On-line CPU(s) list:                     0-15
   Vendor ID:                               ARM
   Model name:                              Neoverse-V2
   Model:                                   1
   Thread(s) per core:                      1
   Core(s) per cluster:                     16
   Socket(s):                               -
   Cluster(s):                              1
   Stepping:                                r0p1
   BogoMIPS:                                2000.00
   Flags:                                   fp asimd evtstrm aes pmull sha1 
sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 sm3 
sm4 asimddp sha512 sve asimdfhm dit uscat ilrcpc flagm sb paca pacg dcpodp sve2 
sveaes svepmull svebitperm svesha3 svesm4 flagm2 frint svei8mm svebf16 i8mm 
bf16 dgh rng bti
   L1d cache:                               1 MiB (16 instances)
   L1i cache:                               1 MiB (16 instances)
   L2 cache:                                32 MiB (16 instances)
   L3 cache:                                80 MiB (1 instance)
   NUMA node(s):                            1
   NUMA node0 CPU(s):                       0-15
   Vulnerability Gather data sampling:      Not affected
   Vulnerability Indirect target selection: Not affected
   Vulnerability Itlb multihit:             Not affected
   Vulnerability L1tf:                      Not affected
   Vulnerability Mds:                       Not affected
   Vulnerability Meltdown:                  Not affected
   Vulnerability Mmio stale data:           Not affected
   Vulnerability Reg file data sampling:    Not affected
   Vulnerability Retbleed:                  Not affected
   Vulnerability Spec rstack overflow:      Not affected
   Vulnerability Spec store bypass:         Mitigation; Speculative Store 
Bypass disabled via prctl
   Vulnerability Spectre v1:                Mitigation; __user pointer 
sanitization
   Vulnerability Spectre v2:                Mitigation; CSV2, BHB
   Vulnerability Srbds:                     Not affected
   Vulnerability Tsa:                       Not affected
   Vulnerability Tsx async abort:           Not affected
   Vulnerability Vmscape:                   Not affected
   ```
   
   </details>
   
   <details><summary>Resource Usage</summary>
   
   No completed measurement resource samples.
   
   </details>
   
   </details>
   
   <details><summary>arrow&#95;writer — shard 4/4</summary>
   
   **Node:** gk3-benchmark-cluster-nap-zh2rj7nw-44c5e3c0-wljn
   
   **Instance:** c4a-highmem-16 (12 vCPU / 65 GiB)
   
   **uname:**
   
   ```text
   Linux bench-c5923351475-2985-spmwr 6.12.94+ #1 SMP Wed Aug 19 07:47:20 UTC 
2026 aarch64 GNU/Linux
   ```
   
   **BENCH_COMMAND:**
   
   ```sh
   cargo bench --features=arrow,async,test_common,experimental,object_store 
--bench arrow_writer
   ```
   
   <details><summary>CPU Details (lscpu)</summary>
   
   ```text
   Architecture:                            aarch64
   CPU op-mode(s):                          64-bit
   Byte Order:                              Little Endian
   CPU(s):                                  16
   On-line CPU(s) list:                     0-15
   Vendor ID:                               ARM
   Model name:                              Neoverse-V2
   Model:                                   1
   Thread(s) per core:                      1
   Core(s) per cluster:                     16
   Socket(s):                               -
   Cluster(s):                              1
   Stepping:                                r0p1
   BogoMIPS:                                2000.00
   Flags:                                   fp asimd evtstrm aes pmull sha1 
sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 sm3 
sm4 asimddp sha512 sve asimdfhm dit uscat ilrcpc flagm sb paca pacg dcpodp sve2 
sveaes svepmull svebitperm svesha3 svesm4 flagm2 frint svei8mm svebf16 i8mm 
bf16 dgh rng bti
   L1d cache:                               1 MiB (16 instances)
   L1i cache:                               1 MiB (16 instances)
   L2 cache:                                32 MiB (16 instances)
   L3 cache:                                80 MiB (1 instance)
   NUMA node(s):                            1
   NUMA node0 CPU(s):                       0-15
   Vulnerability Gather data sampling:      Not affected
   Vulnerability Indirect target selection: Not affected
   Vulnerability Itlb multihit:             Not affected
   Vulnerability L1tf:                      Not affected
   Vulnerability Mds:                       Not affected
   Vulnerability Meltdown:                  Not affected
   Vulnerability Mmio stale data:           Not affected
   Vulnerability Reg file data sampling:    Not affected
   Vulnerability Retbleed:                  Not affected
   Vulnerability Spec rstack overflow:      Not affected
   Vulnerability Spec store bypass:         Mitigation; Speculative Store 
Bypass disabled via prctl
   Vulnerability Spectre v1:                Mitigation; __user pointer 
sanitization
   Vulnerability Spectre v2:                Mitigation; CSV2, BHB
   Vulnerability Srbds:                     Not affected
   Vulnerability Tsa:                       Not affected
   Vulnerability Tsx async abort:           Not affected
   Vulnerability Vmscape:                   Not affected
   ```
   
   </details>
   
   <details><summary>Resource Usage</summary>
   
   **base (merge-base)**
   | Metric | Value |
   |--------|-------|
   | Wall time | 990.2s |
   | Peak memory | 2.8 GiB |
   | Avg memory | 2.3 GiB |
   | CPU user | 942.2s |
   | CPU sys | 46.0s |
   | Peak spill | 0 B |
   
   **branch**
   | Metric | Value |
   |--------|-------|
   | Wall time | 1785.4s |
   | Peak memory | 2.8 GiB |
   | Avg memory | 1.1 GiB |
   | CPU user | 1763.2s |
   | CPU sys | 17.0s |
   | Peak spill | 0 B |
   
   
   </details>
   
   </details>
   
   </details>
   
   ---
   [File an issue](https://github.com/adriangb/datafusion-benchmarking/issues) 
against this benchmark runner
   
   <!-- benchmark-request:5923351475:finish:88cff2e8d7087086eca17eaa8b99b4f5 -->


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