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| author | Bruce Momjian <bruce@momjian.us> | 2020-08-03 17:01:42 -0400 |
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| committer | Bruce Momjian <bruce@momjian.us> | 2020-08-03 17:01:42 -0400 |
| commit | e7a6cd5dcf24c6d4b04d036a4837c7af154c4b49 (patch) | |
| tree | 984fe95764954201713793cf13c8eb3bb0e6aeaa /src/backend/executor/execParallel.c | |
| parent | 72ca61101ad4076941f175b50cc86e6372023034 (diff) | |
| download | postgresql-e7a6cd5dcf24c6d4b04d036a4837c7af154c4b49.tar.gz postgresql-e7a6cd5dcf24c6d4b04d036a4837c7af154c4b49.zip | |
doc: PG 13 relnotes: hash_mem_multiplier can restore old behav.
Document that hash_mem_multiplier can get query behavior closer to the
pre-PG 13 behavior of allowing hashing to use more memory.
Reported-by: Peter Geoghegan
Discussion: https://postgr.es/m/CAH2-Wzn3kwQm_pe6g2=ki+P7+ZRqH5GvFGn6SWfv_j7UUgcLdQ@mail.gmail.com
Backpatch-through: 13 only
Diffstat (limited to 'src/backend/executor/execParallel.c')
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