[ARROW-15550] [C++] Add an environment variable to debug memory

• Type: Wish
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 8.0.0
• Component/s: C++, Developer Tools
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/31019
• Assignee: Antoine Pitrou
• Reporter: Antoine Pitrou
• Created: 03/Feb/22 12:35
• Updated: 11/Jan/23 11:37
• Resolved: 09/Feb/22 08:44

Description

It could be useful to allow enabling memory checks at runtime (e.g. check that memory was not written out of bounds when a MemoryPool deallocates a buffer). For example an environment variable setting ARROW_DEBUG_MEMORY_POOL=(warn|trap|abort)

See https://github.com/apache/arrow/pull/12216 for inspiration

Issue Links

• relates to: ARROW-14047 [C++] [Parquet] FileReader returns inconsistent results on repeat reads
• links to: GitHub Pull Request #12330