520fengling opened a new issue, #38651: URL: https://github.com/apache/arrow/issues/38651
### Describe the usage question you have. Please include as many useful details as possible. I installed the arrow library following the way recommended in official docs. arrow version: 13.0.0 ubuntu version: 20.04 ARROW_JEMALLOC: ON I want to use jemalloc as default memory allocator, so i wrote the code as following: `auto s = arrow::jemalloc_memory_pool(&mem_pool_);` and then get the error message: "msg:NotImplemented: This Arrow build does not enable jemalloc". Is there something wrong? what's the default memory allocator if i write `mem_pool_ = arrow::default_memory_pool();` ? ps: I also set the env variable 'ARROW_DEFAULT_MEMORY_POOL' to 'jemalloc' ### Component(s) C++ -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
