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| author | Bruce Momjian <bruce@momjian.us> | 2001-05-15 13:57:37 +0000 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2001-05-15 13:57:37 +0000 |
| commit | 3848a14ed7014bd6df0dfe8dedbeb545eb331e82 (patch) | |
| tree | 4063d5333f1fc899cfdc6a1fc15009227968bd49 /doc/src | |
| parent | 9478206d32002c9c0f1dcff4890dd1eda2aeeea3 (diff) | |
| download | postgresql-3848a14ed7014bd6df0dfe8dedbeb545eb331e82.tar.gz postgresql-3848a14ed7014bd6df0dfe8dedbeb545eb331e82.zip | |
redo record -> undo record, Tom Lane.
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/wal.sgml | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/doc/src/sgml/wal.sgml b/doc/src/sgml/wal.sgml index 69616409e81..dfb90e6e6c0 100644 --- a/doc/src/sgml/wal.sgml +++ b/doc/src/sgml/wal.sgml @@ -1,4 +1,4 @@ -<!-- $Header: /cvsroot/pgsql/doc/src/sgml/wal.sgml,v 1.5 2001/03/16 05:44:33 tgl Exp $ --> +<!-- $Header: /cvsroot/pgsql/doc/src/sgml/wal.sgml,v 1.6 2001/05/15 13:57:37 momjian Exp $ --> <chapter id="wal"> <title>Write-Ahead Logging (<acronym>WAL</acronym>)</title> @@ -243,7 +243,7 @@ log (known as the redo record) it should start the REDO operation, since any changes made to data files before that record are already on disk. After a checkpoint has been made, any log segments written - before the redo record are removed, so checkpoints are used to free + before the undo records are removed, so checkpoints are used to free disk space in the <acronym>WAL</acronym> directory. (When <acronym>WAL</acronym>-based <acronym>BAR</acronym> is implemented, the log segments can be archived instead of just being removed.) |