|From:||Julien Rouhaud <rjuju123(at)gmail(dot)com>|
|To:||Greg Stark <stark(at)mit(dot)edu>|
|Cc:||Ekaterina Sokolova <e(dot)sokolova(at)postgrespro(dot)ru>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, Lukas Fittl <lukas(at)fittl(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>|
|Subject:||Re: [PATCH] Add extra statistics to explain for Nested Loop|
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On Mon, Mar 28, 2022 at 03:09:12PM -0400, Greg Stark wrote:
> This patch got some very positive feedback and some significant amount
> of work earlier in the release cycle. The feedback from Julien earlier
> this month seemed pretty minor.
> Ekaterina, is there any chance you'll be able to work on this this
> week and do you think it has a chance of making this release? Julien,
> do you think it's likely to be possible to polish for this release?
Most of the comments I have are easy to fix. But I think that the real problem
is the significant overhead shown by Ekaterina that for now would apply even if
you don't consume the new stats, for instance if you have pg_stat_statements.
And I'm still not sure of what is the best way to avoid that.
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