On 5/24/23 8:04 PM, Andres Freund wrote:
Hi,On 2023-05-24 19:57:39 -0400, Jonathan S. Katz wrote:On 5/24/23 5:28 PM, Andres Freund wrote:I think the relation extension improvements ought to be mentioned here as well? Up to 3x faster concurrent data load with COPY seems practically relevant.I missed that -- not sure I'm finding it in the release notes with a quick grep -- which commit/thread is this?It was split over quite a few commits, the one improving COPY most significantly is commit 00d1e02be24987180115e371abaeb84738257ae2 Author: Andres Freund <and...@anarazel.de> Date: 2023-04-06 16:35:21 -0700 hio: Use ExtendBufferedRelBy() to extend tables more efficiently Relevant thread: https://postgr.es/m/20221029025420.eplyow6k7tgu6...@awork3.anarazel.de It's in the release notes as: Allow more efficient addition of heap and index pages (Andres Freund)
Ah, OK, that's why I didn't grok it. I read through the first message in[1] and definitely agree it should be in the announcement. How about:
"PostgreSQL 16 also shows up to a 300% improvement when concurrently loading data with `COPY`"
Thanks, Jonathan [1] https://postgr.es/m/20221029025420.eplyow6k7tgu6...@awork3.anarazel.de
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