diff options
| author | Bruce Momjian <bruce@momjian.us> | 2009-01-15 00:34:25 +0000 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2009-01-15 00:34:25 +0000 |
| commit | 520c41b5269e6e1f541881e1c3f27eccdb640937 (patch) | |
| tree | d8cf611d3fc94efa7900771a3b1711d3e3260f20 /doc/src | |
| parent | 6faf495b8a63cd8876e37f2f06786387bbe3c2cb (diff) | |
Add documentation mention that full page writes have to be enabled for
full pages to be restored during recovery.
Per private report from Michael Renner
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/wal.sgml | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/doc/src/sgml/wal.sgml b/doc/src/sgml/wal.sgml index e5750b62dc5..70675974a2c 100644 --- a/doc/src/sgml/wal.sgml +++ b/doc/src/sgml/wal.sgml @@ -1,4 +1,4 @@ -<!-- $PostgreSQL: pgsql/doc/src/sgml/wal.sgml,v 1.57 2008/12/18 22:34:21 momjian Exp $ --> +<!-- $PostgreSQL: pgsql/doc/src/sgml/wal.sgml,v 1.58 2009/01/15 00:34:25 momjian Exp $ --> <chapter id="wal"> <title>Reliability and the Write-Ahead Log</title> @@ -543,7 +543,8 @@ then the checkpoint record; then it performs the REDO operation by scanning forward from the log position indicated in the checkpoint record. Because the entire content of data pages is saved in the - log on the first page modification after a checkpoint, all pages + log on the first page modification after a checkpoint (assuming + <xref linkend="guc-full-page-writes"> is not disabled), all pages changed since the checkpoint will be restored to a consistent state. </para> |