diff options
| author | Bruce Momjian <bruce@momjian.us> | 2010-02-27 20:16:17 +0000 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2010-02-27 20:16:17 +0000 |
| commit | 9295eea8391abaa1f5ecaa50cc39c4e8165f74b4 (patch) | |
| tree | 79c2b34684e69147b86edd53f902a1fe0b233007 /doc/src | |
| parent | c685b942e532e0937d3495967fc0446dcf2a09e6 (diff) | |
| download | postgresql-9295eea8391abaa1f5ecaa50cc39c4e8165f74b4.tar.gz postgresql-9295eea8391abaa1f5ecaa50cc39c4e8165f74b4.zip | |
Document ATAPI FLUSH CACHE EXT.
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 9e9489da156..17d82c71af2 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 1.63 2010/02/27 01:39:46 momjian Exp $ --> +<!-- $PostgreSQL: pgsql/doc/src/sgml/wal.sgml,v 1.64 2010/02/27 20:16:17 momjian Exp $ --> <chapter id="wal"> <title>Reliability and the Write-Ahead Log</title> @@ -60,7 +60,7 @@ exist for disk controller caches. Consumer-grade IDE and SATA drives are particularly likely to have write-back caches that will not survive a power failure, though <acronym>ATAPI-6</> introduced a drive cache - flush command that some file systems use, e.g. <acronym>ZFS</>. + flush command (FLUSH CACHE EXT) that some file systems use, e.g. <acronym>ZFS</>. Many solid-state drives also have volatile write-back caches, and many do not honor cache flush commands by default. To check write caching on <productname>Linux</> use |