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Document that pg_checksums exists in checksums README
author
Magnus Hagander
<
[email protected]
>
Thu, 26 Mar 2020 14:05:54 +0000
(15:05 +0100)
committer
Magnus Hagander
<
[email protected]
>
Thu, 26 Mar 2020 14:05:54 +0000
(15:05 +0100)
Author: Daniel Gustafsson <
[email protected]
>
src/backend/storage/page/README
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diff --git
a/src/backend/storage/page/README
b/src/backend/storage/page/README
index 5127d98da37ccdf681dd96ea6f08febf9662a34f..4e45bd92abc7e3f37cead7c97296ac39925c50e2 100644
(file)
--- a/
src/backend/storage/page/README
+++ b/
src/backend/storage/page/README
@@
-9,7
+9,8
@@
have a very low measured incidence according to research on large server farms,
http://www.cs.toronto.edu/~bianca/papers/sigmetrics09.pdf, discussed
2010/12/22 on -hackers list.
-Current implementation requires this be enabled system-wide at initdb time.
+Current implementation requires this be enabled system-wide at initdb time, or
+by using the pg_checksums tool on an offline cluster.
The checksum is not valid at all times on a data page!!
The checksum is valid when the page leaves the shared pool and is checked