HippoBaro commented on PR #11268:
URL: https://github.com/apache/arrow-rs/pull/11268#issuecomment-5876938218
For reference, as of this PR, here are the results (all units MiB):
```
+----------------------------------------+-----------------------------+-----------------------------+
| | Peak live memory |
Cumulative allocated |
| Workload | default |parquet_2| cdc |
default |parquet_2| cdc |
+----------------------------------------+---------+---------+---------+---------+---------+---------+
| primitive_non_null | 55.270| 57.803| 55.876|
334.382| 277.752| 397.917|
| primitive_nullable | 47.373| 51.496| 48.569|
302.016| 263.216| 356.726|
| primitive_sparse_99pct_null | 4.823| 9.827| 5.653|
21.340| 26.343| 35.923|
| bool_non_null | 9.205| 9.221| 12.696|
9.350| 9.990| 17.352|
| string_non_null | 417.971| 419.217| 417.802|
1546.989| 836.751| 1611.486|
| short_string_non_null | 20.771| 15.094| 21.545|
52.736| 24.213| 61.697|
| byte_array_sparse_99pct_null | 9.053| 17.124| 10.003|
27.040| 31.702| 35.191|
| fixed_size_binary_non_null | 72.513| 75.670| 26.975|
123.222| 208.227| 129.152|
| fixed_size_binary_sparse | 58.297| 61.850| 25.287|
83.759| 182.615| 93.967|
| decimal128_non_null | 72.513| 62.516| 26.628|
123.222| 146.324| 129.152|
| decimal128_sparse | 58.297| 55.473| 24.842|
83.759| 136.176| 93.967|
| int64_dictionary | 24.595| 25.571| 17.754|
55.582| 45.906| 63.406|
| int64_dictionary_1pct_cardinality | 19.899| 20.900| 13.231|
28.201| 29.202| 36.251|
| string_dictionary | 165.524| 166.396| 165.810|
595.177| 320.828| 608.167|
| string_dictionary_1pct_cardinality | 12.306| 14.308| 12.974|
15.014| 17.015| 23.063|
| decimal128_dictionary | 74.399| 78.148| 31.028|
99.996| 208.382| 108.573|
| decimal128_dictionary_1pct_cardinality | 74.298| 66.277| 28.195|
99.761| 69.375| 108.335|
| bool_dictionary | 14.136| 14.136| 14.760|
15.775| 16.409| 24.977|
| string_ree_low_cardinality | 23.255| 25.257| 23.884|
27.905| 29.907| 35.947|
| int64_ree_low_cardinality | 16.463| 17.465| 17.272|
28.968| 29.970| 36.979|
| fixed_size_binary_ree_low_cardinality | 88.447| 74.327| 44.578|
144.603| 78.973| 154.108|
| string_ree_of_dict | 12.491| 14.493| 13.989|
17.143| 19.145| 25.590|
| numeric_ree_of_dict | 20.695| 21.697| 15.522|
33.208| 34.210| 41.656|
| ree_struct_of_dict | 28.566| 31.569| 30.064|
51.527| 54.531| 69.821|
| int32_ree_99pct_null | 8.207| 9.207| 8.207|
10.423| 11.424| 12.506|
| string_ree_99pct_null | 8.406| 10.408| 8.406|
10.588| 12.590| 12.670|
| struct_ree | 44.424| 47.428| 45.427|
78.491| 81.495| 96.508|
| list_int32_ree | 122.342| 123.340| 122.479|
175.730| 176.726| 253.847|
| list_of_int32_ree | 66.709| 67.709| 68.187|
100.423| 101.422| 144.439|
| struct_of_list_of_int32_ree_fragmented | 66.710| 67.710| 68.188|
124.428| 125.426| 168.443|
| list_of_list_int32_ree | 122.384| 123.382| 122.524|
185.822| 186.817| 263.939|
| ree_list_ree_list | 124.083| 125.084| 124.083|
241.635| 242.630| 319.709|
+----------------------------------------+---------+---------+---------+---------+---------+---------+```
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