Re: Lessons from using mmap()

2024-02-20 Thread Alexander Korotkov
Hi! On Wed, Feb 21, 2024 at 1:21 AM Bruce Momjian wrote: > I think we have come to the same conclusion in the past, but I thought > it would be good to share someone else's research, and it might be > helpful if we ever revisit this idea. I read this blog post before. In my personal opinion it i

Lessons from using mmap()

2024-02-20 Thread Bruce Momjian
This blog, and the blogs it links to, explains the complexities of using mmap() for database data/index file I/O. https://www.symas.com/post/are-you-sure-you-want-to-use-mmap-in-your-dbms The blog starts by stating: There are, however, severe correctness and performance issues