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Diffstat (limited to 'doc/src/sgml/installation.sgml')
| -rw-r--r-- | doc/src/sgml/installation.sgml | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/doc/src/sgml/installation.sgml b/doc/src/sgml/installation.sgml index d0933bf7d1..e6de85f8c7 100644 --- a/doc/src/sgml/installation.sgml +++ b/doc/src/sgml/installation.sgml @@ -1,4 +1,4 @@ -<!-- $PostgreSQL: pgsql/doc/src/sgml/installation.sgml,v 1.308 2008/05/02 01:08:26 tgl Exp $ --> +<!-- $PostgreSQL: pgsql/doc/src/sgml/installation.sgml,v 1.309 2008/05/02 19:52:37 tgl Exp $ --> <chapter id="installation"> <title><![%standalone-include[<productname>PostgreSQL</>]]> @@ -1104,6 +1104,34 @@ su - postgres </varlistentry> <varlistentry> + <term><option>--with-wal-segsize=<replaceable>SEGSIZE</replaceable></option></term> + <listitem> + <para> + Set the <firstterm>WAL segment size</>, in megabytes. This is + the size of each individual file in the WAL log. It may be useful + to adjust this size to control the granularity of WAL log shipping. + The default size is 16 megabytes. + The value must be a power of 2 between 1 and 64 (megabytes). + Note that changing this value requires an initdb. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><option>--with-wal-blocksize=<replaceable>BLOCKSIZE</replaceable></option></term> + <listitem> + <para> + Set the <firstterm>WAL block size</>, in kilobytes. This is the unit + of storage and I/O within the WAL log. The default, 8 kilobytes, + is suitable for most situations; but other values may be useful + in special cases. + The value must be a power of 2 between 1 and 64 (kilobytes). + Note that changing this value requires an initdb. + </para> + </listitem> + </varlistentry> + + <varlistentry> <term><option>--disable-spinlocks</option></term> <listitem> <para> |