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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/01/06 16:08:39 UTC

[GitHub] [arrow-datafusion] ic4y commented on issue #1504: The destruction of GroupState in high cardinality aggregation takes a lot of time

ic4y commented on issue #1504:
URL: https://github.com/apache/arrow-datafusion/issues/1504#issuecomment-1006710778


   > By using --features "mimalloc", it was found that the test results did not differ much.
   
   Using --features "mimalloc" did not take effect.
   
   Add the following code  in the `main.rs` (this is mentioned in the [user guide](https://github.com/apache/arrow-datafusion/blob/ecb09d9e37a4ea8f06d145c4fdcbdb3b8bb64ab7/docs/source/user-guide/library.md)) can solve this problem
   
   ```rust
   #[global_allocator]
   static ALLOC: snmalloc_rs::SnMalloc = snmalloc_rs::SnMalloc;
   ```
   
   


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