From: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
---|---|
To: | Jakub Wartak <Jakub(dot)Wartak(at)tomtom(dot)com> |
Cc: | "alvherre(at)2ndquadrant(dot)com" <alvherre(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Handing off SLRU fsyncs to the checkpointer |
Date: | 2020-09-19 05:06:10 |
Message-ID: | CA+hUKGKgL2W_MewzyfV5KGzjrMFODmAKC-sf052rhhW_HAkp9A@mail.gmail.com |
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Lists: | pgsql-hackers |
On Mon, Aug 31, 2020 at 8:50 PM Jakub Wartak <Jakub(dot)Wartak(at)tomtom(dot)com> wrote:
> - IO_URING - gives a lot of promise here I think, is it even planned to be shown for PgSQL14 cycle ? Or it's more like PgSQL15?
I can't answer that, but I've played around with the prototype quite a
bit, and thought quite a lot about how to port it to systems without
IO_URING, and I'm just as keen to see this happen as you are.
In the meantime, from the low-hanging-fruit department, here's a new
version of the SLRU-fsync-offload patch. The only changes are a
tweaked commit message, and adoption of C99 designated initialisers
for the function table, so { [SYNC_HANDLER_CLOG] = ... } instead of
relying on humans to make the array order match the enum values. If
there are no comments or objections, I'm planning to commit this quite
soon.
Attachment | Content-Type | Size |
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v3-0001-Defer-flushing-of-SLRU-files.patch | text/x-patch | 17.0 KB |
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