> On 21 Jun 2022, at 12:35, Amit Kapila <amit.kapil...@gmail.com> wrote: > > I wonder if the newly introduced "recovery_prefetch" [1] for PG-15 can > help your case? AFAICS recovery_prefetch tries to prefetch main fork, but does not try to prefetch WAL itself before reading it. Kirill is trying to solve the problem of reading WAL segments that are our of OS page cache. Best regards, Andrey Borodin.
- Use fadvise in wal replay Kirill Reshke
- Re: Use fadvise in wal replay Amit Kapila
- Re: Use fadvise in wal replay Andrey Borodin
- RE: Use fadvise in wal replay Jakub Wartak
- Re: Use fadvise in wal replay Andrey Borodin
- RE: Use fadvise in wal replay Jakub Wartak
- Re: Use fadvise in wal replay Thomas Munro
- Re: Use fadvise in wal rep... Bharath Rupireddy
- RE: Use fadvise in wal rep... Jakub Wartak
- Re: Use fadvise in wal rep... Andrey Borodin
- Re: Use fadvise in wal rep... Pavel Borisov
- Re: Use fadvise in wal rep... Andrey Borodin
- Re: Use fadvise in wal rep... Pavel Borisov