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| author | Bruce Momjian <bruce@momjian.us> | 2009-11-28 16:21:31 +0000 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2009-11-28 16:21:31 +0000 |
| commit | cb98f615383ccf2f9f339b4e812b23e840b12d9f (patch) | |
| tree | 8382eb5c59454d1ea0c0bfa5e5d93b05530c49a6 | |
| parent | 017c47bf51f47b61df04ef563bab0424e9975858 (diff) | |
| download | postgresql-cb98f615383ccf2f9f339b4e812b23e840b12d9f.tar.gz postgresql-cb98f615383ccf2f9f339b4e812b23e840b12d9f.zip | |
fsync test tools
Add link to exteran fsync testing script and our fsync test tool.
| -rw-r--r-- | doc/src/sgml/config.sgml | 4 | ||||
| -rw-r--r-- | doc/src/sgml/wal.sgml | 4 |
2 files changed, 6 insertions, 2 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml index e4a79782ae3..2cb006fa752 100644 --- a/doc/src/sgml/config.sgml +++ b/doc/src/sgml/config.sgml @@ -1,4 +1,4 @@ -<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.233 2009/11/13 22:43:39 tgl Exp $ --> +<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.234 2009/11/28 16:21:31 momjian Exp $ --> <chapter Id="runtime-config"> <title>Server Configuration</title> @@ -1432,6 +1432,8 @@ SET ENABLE_SEQSCAN TO OFF; The default is the first method in the above list that is supported by the platform. The <literal>open_</>* options also use <literal>O_DIRECT</> if available. + The utility <filename>src/tools/fsync</> in the PostgreSQL source tree + can do performance testing of various fsync methods. This parameter can only be set in the <filename>postgresql.conf</> file or on the server command line. </para> diff --git a/doc/src/sgml/wal.sgml b/doc/src/sgml/wal.sgml index c21e4a4d623..76f1fdcf3b8 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 1.59 2009/04/09 16:20:50 momjian Exp $ --> +<!-- $PostgreSQL: pgsql/doc/src/sgml/wal.sgml,v 1.60 2009/11/28 16:21:31 momjian Exp $ --> <chapter id="wal"> <title>Reliability and the Write-Ahead Log</title> @@ -86,6 +86,8 @@ ensure data integrity. Avoid disk controllers that have non-battery-backed write caches. At the drive level, disable write-back caching if the drive cannot guarantee the data will be written before shutdown. + You can test for reliable I/O subsystem behavior using <ulink + url="http://brad.livejournal.com/2116715.html">diskchecker.pl</ulink>. </para> <para> |