From: | Imre Samu <pella(dot)samu(at)gmail(dot)com> |
---|---|
To: | Дмитрий Иванов <firstdismay(at)gmail(dot)com> |
Cc: | pgsql-general <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: Difference in execution plans pg12 vs pg14 |
Date: | 2021-12-11 04:12:23 |
Message-ID: | CAJnEWwm75o=hd2VUCiQDL6n+N0PuCG3zqV_8EZu4A_FZ5k-LvA@mail.gmail.com |
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Lists: | pgsql-general |
Hi Dmitry,
pg12:
> Execution Time: 44.123 ms
pg14:
> JIT:
> Functions: 167
> Options: Inlining true, Optimization true, Expressions true, Deforming
true
> Timing: Generation 9.468 ms, Inlining 55.237 ms, Optimization 507.548
ms, Emission 347.932 ms, Total 920.185 ms
> Execution Time: 963.258 ms
please check the JIT settings ;
and test with: jit = off;
regards,
Imre
Дмитрий Иванов <firstdismay(at)gmail(dot)com> ezt írta (időpont: 2021. dec. 11.,
Szo, 2:01):
> Afternoon. I was able to make the necessary changes to my base needed to
> migrate win_pg12 to debian pg14.
> But there is a new problem, which was not there at the initial stage so I
> checked:
>
> win_pg12:
> -> Index Scan using index_class_tree_full on class c (cost=0.28..2.50
> rows=1 width=235) (actual time=0.030..0.032 rows=1 loops=1)
> Index Cond: (id = 650)
> debian_pg14:
> -> Index Scan using index_class_tree_full on class c (cost=0.28..2.50
> rows=1 width=235) (actual time=842.795..842.796 rows=1 loops=1)
> Index Cond: (id = 650)
>
> I'm wondering where to dig next...
> --
> Best regards, Dmitry!
>
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