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) 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. -- Michael
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