On Thu, Dec 12, 2019 at 02:07:14PM -0800, Jeremy Schneider wrote: > The wait event information in PostgreSQL is very helpful for > troubleshooting. I always reference the PostgreSQL docs first, and when > people ask me about wait events that where I send them first. The list > of wait events there is comprehensive, but the descriptions are a bit > terse and often use vocabulary that requires some familiarity with the > internals to understand.
(I think that it would be better to avoid cross-posting among multiple lists. Please note that I have removed -www and -general in my reply, keeping -docs because that7s the most meaningful) > Could we create a new wiki page as a starting point, and we could draft > up and maintain something there for a little while? Maybe a place like > https://wiki.postgresql.org/wiki/Wait_Events ? That sounds like a good idea, as it is true that the docs are rather sparse about the meaning behind a given wait event showing a lot in profiles and what it actually means for your application. We have a couple of links from the docs to the wiki, so it could be an idea to add a link to the wiki in the docs near the wait event table. more to the point, this makes me wonder if actually a better place for such stuff would be a new section dedicated to wait event profiles here: https://www.postgresql.org/docs/devel/monitoring.html -- Michael
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