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Update test_runner/performance/test_unlogged.py
Co-authored-by: Heikki Linnakangas <heikki@neon.tech>
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committed by
Konstantin Knizhnik
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b7dbf4cf56
@@ -10,7 +10,7 @@ if TYPE_CHECKING:
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#
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# This test demonstrates effect of relkind cache. Postgres doesn't store relation persistence in shared buffer tag.
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# This test demonstrates effect of relpersistence cache. Postgres doesn't store relation persistence in shared buffer tag.
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# It means that if page is evicted from shared buffers and relation is not cache in relation cache, then persistence=0 (auto) is used.
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# For vanilla Postgres it is not important, because in both cases we need to write changes to the file.
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# In Neon, neon_write does nothing nothing for a permanent relation, while for an unlogged relation, it writes the page to the local file.
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