index 5127d98da37ccdf681dd96ea6f08febf9662a34f..4e45bd92abc7e3f37cead7c97296ac39925c50e2 100644 (file)
@@ -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年12月22日 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