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| author | Tomas Vondra <tomas.vondra@postgresql.org> | 2023-04-06 17:18:38 +0200 |
|---|---|---|
| committer | Tomas Vondra <tomas.vondra@postgresql.org> | 2023-04-06 17:18:42 +0200 |
| commit | 2820adf7755d2a377546d5b55f5b1a4a39889336 (patch) | |
| tree | 334f61a64955c187476ca65d9732f736a2eeee65 /contrib/jsonb_plpython/sql/jsonb_plpython.sql | |
| parent | 983ec23007bd83a649af9bc823f13feb0da27e0e (diff) | |
| download | postgresql-2820adf7755d2a377546d5b55f5b1a4a39889336.tar.gz postgresql-2820adf7755d2a377546d5b55f5b1a4a39889336.zip | |
Support long distance matching for zstd compression
zstd compression supports a special mode for finding matched in distant
past, which may result in better compression ratio, at the expense of
using more memory (the window size is 128MB).
To enable this optional mode, use the "long" keyword when specifying the
compression method (--compress=zstd:long).
Author: Justin Pryzby
Reviewed-by: Tomas Vondra, Jacob Champion
Discussion: https://postgr.es/m/20230224191840.GD1653@telsasoft.com
Discussion: https://postgr.es/m/20220327205020.GM28503@telsasoft.com
Diffstat (limited to 'contrib/jsonb_plpython/sql/jsonb_plpython.sql')
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