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by dilatedmind
2018 days ago
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The best use case I've had for partitioning tables is when there is a lot of churn that would otherwise result in significant vacuuming. For example, a table holding the past 7 days of data would require deleting 1/7 of its rows every day. Swapping out a child table and dropping the old one is free in that sense, but does require an exclusive lock which can cause issues if you have long running queries. |
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