On Fri, Mar 13, 2026 at 9:50 AM Michael Paquier <michael@paquier.xyz> wrote:
>
> On Thu, Mar 12, 2026 at 11:35:48PM +0800, Xuneng Zhou wrote:
> > Our io_time metric currently measures only read time and ignores write
> > I/O, which can be misleading. We now separate it into read_time and
> > write_time.
>
> I had a look at the pgstatindex part this morning, running my own test
> under conditions similar to 6c228755add8, and here's one extract with
> io_uring:
> pgstatindex (100k tuples) base=32938.2ms patch=83.3ms 395.60x ( 99.7%)
> (reads=2745->173, io_time=32932.09->59.75ms)
This result looks great!
> There was one issue with a declaration put in the middle of the code,
> that I have fixed. This one is now done, remains 3 pieces to
> evaluate.
Thanks for fixing this and for taking the time to review and test the patches.
--
Best,
Xuneng
