From: Magnus Hagander Date: Thu, 26 Mar 2020 14:05:54 +0000 (+0100) Subject: Document that pg_checksums exists in checksums README X-Git-Tag: REL_13_BETA1~455 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=eff5b245df259c73d8342e2f04dba5a832d2ea0a;p=thirdparty%2Fpostgresql.git Document that pg_checksums exists in checksums README Author: Daniel Gustafsson --- diff --git a/src/backend/storage/page/README b/src/backend/storage/page/README index 5127d98da37..4e45bd92abc 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