On Fri, Jul 05, 2024 at 05:24:42PM +0800, 杨伯宇(长堂) wrote: >> > So, I'm thinking, why not add a "--skip-check" option in pg_upgrade to >> > skip it? >> > See "1-Skip_Compatibility_Check_v1.patch". >> >> How would a user know that nothing has changed in the cluster between running >> the check and running the upgrade with a skipped check? Considering how >> complicated it is to understand exactly what pg_upgrade does it seems like >> quite a large caliber footgun.
I am also -1 on this one for the same reasons as Daniel. >> I would be much more interested in making the check phase go faster, and >> indeed >> there is ongoing work in this area. Since it sounds like you have a dev and >> test environment with a big workload, testing those patches would be helpful. >> https://commitfest.postgresql.org/48/4995/ is one that comes to mind. > Very meaningful work! I will try it. Thanks! Since you mentioned that you have multiple databases with 1M+ databases, you might also be interested in commit 2329cad. That should speed up the pg_dump step quite a bit. -- nathan
