KuczaRacza opened a new issue, #44890: URL: https://github.com/apache/arrow/issues/44890
### Describe the bug, including details regarding any error messages, version, and platform. Loading big parquet files (23GB file) leads to high memory consumption, ending in OOM. Memory consumption surpass my machine limit of 64GB ram. Reader is set up similar as demonstrated on docs page via `` parquet::arrow::FileReaderBuilder`` with key difference of passing custom allocator. Huge usage of memory is not report by my custom allocator nor by memory pool passed to reader. After invastigation iI encouter thath RangeReadeCache created lot of cache entries, 735 to be exact witch each about 33MiB of length. Each with it's future with use count 1.  Also for some reason this uses default memory pool  ### 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: issues-unsubscr...@arrow.apache.org.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org