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Results tagged with postgresql-9.5
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user 60253
Specifically for PostgreSQL version 9.5
1
vote
3
answers
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Postgres 12 drastically slower than postgres 9.5 with identical queries from import/export
I setup a new postgres database (v12) by export/importing from an old one (v9.5).
When I query the new one, it's drastically slower despite being on a more powerful machine. Shared buffers are set to …
- 217
1
vote
Accepted
Postgres 12 drastically slower than postgres 9.5 with identical queries from import/export
The main issue was the database needed to have VACUUM run on it. I'm surprised that a full database export/import wouldn't just automatically do it considering the performance gain was 100x faster.
R …
- 217