postgrespro.git / summary / log / commit / refs
commit eff5b245df259c73d8342e2f04dba5a832d2ea0a
Author: Magnus Hagander <magnus@hagander.net>
Date: Thu Mar 26 14:05:54 2020 +0000
Document that pg_checksums exists in checksums README
Author: Daniel Gustafsson <daniel@yesql.se>
src/backend/storage/page/README | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/backend/storage/page/README b/src/backend/storage/page/README
index 5127d98da3..4e45bd92ab 100644
--- 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
[parent: 49bf81536e24]