Hello hackers!

I suddenly found commit ac1d794 gives up to 3 times performance degradation.

I tried to run pgbench -s 1000 -j 48 -c 48 -S -M prepared on 70 CPU-core
commit ac1d794 gives me 363,474 tps
and previous commit a05dc4d gives me 956,146
and master( 3d0c50f ) with revert ac1d794 gives me 969,265

it's shocking

Dmitry Vasilyev
Postgres Professional: http://www.postgrespro.com
Russian Postgres Company

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