[ARROW-4296] [Plasma] Starting Plasma store with use_one_memory_mapped_file enabled crashes due to improper memory alignment

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 0.11.1
• Fix Version/s: 0.13.0
• Component/s: C++, C++ - Plasma
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/20869
• Assignee: Philipp Moritz
• Reporter: Anurag Khandelwal
• Created: 19/Jan/19 04:56
• Updated: 11/Jan/23 07:33
• Resolved: 29/Jan/19 21:35

Description

Starting Plasma with use_one_memory_mapped_file (-f flag) causes a crash, most likely due to improper memory alignment. This can be resolved by changing the dlmemalign call during initialization to use slightly smaller memory (by ~8KB).

Issue Links

• links to: GitHub Pull Request #3434
• links to: GitHub Pull Request #3490