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@ -9,7 +9,8 @@ have a very low measured incidence according to research on large server farms, |
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http://www.cs.toronto.edu/~bianca/papers/sigmetrics09.pdf, discussed |
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http://www.cs.toronto.edu/~bianca/papers/sigmetrics09.pdf, discussed |
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2010/12/22 on -hackers list. |
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2010/12/22 on -hackers list. |
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Current implementation requires this be enabled system-wide at initdb time. |
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Current implementation requires this be enabled system-wide at initdb time, or |
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by using the pg_checksums tool on an offline cluster. |
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The checksum is not valid at all times on a data page!! |
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The checksum is not valid at all times on a data page!! |
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The checksum is valid when the page leaves the shared pool and is checked |
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The checksum is valid when the page leaves the shared pool and is checked |
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