diff options
Diffstat (limited to 'doc/src/sgml/wal.sgml')
| -rw-r--r-- | doc/src/sgml/wal.sgml | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/doc/src/sgml/wal.sgml b/doc/src/sgml/wal.sgml index e7a5a918260..96d4916e0e9 100644 --- a/doc/src/sgml/wal.sgml +++ b/doc/src/sgml/wal.sgml @@ -129,8 +129,8 @@ file systems behave suboptimally when combined with battery-backup unit (<acronym>BBU</>) disk controllers. In such setups, the synchronize command forces all data from the controller cache to the disks, - eliminating much of the benefit of the BBU. You can run the utility - <filename>contrib/pg_test_fsync</> in the PostgreSQL source tree to see + eliminating much of the benefit of the BBU. You can run the + <xref linkend="pgtestfsync"> module to see if you are affected. If you are affected, the performance benefits of the BBU can be regained by turning off write barriers in the file system or reconfiguring the disk controller, if that is @@ -571,8 +571,8 @@ the exception of <literal>fsync_writethrough</>, which can sometimes force a flush of the disk cache even when other options do not do so. However, it's quite platform-specific which one will be the fastest; - you can test option speeds using the utility <filename>contrib/pg_test_fsync</> - in the PostgreSQL source tree. + you can test option speeds using the <xref + linkend="pgtestfsync"> module. Note that this parameter is irrelevant if <varname>fsync</varname> has been turned off. </para> |