diff options
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/runtime.sgml | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/doc/src/sgml/runtime.sgml b/doc/src/sgml/runtime.sgml index 9f569712b08..c97e3878619 100644 --- a/doc/src/sgml/runtime.sgml +++ b/doc/src/sgml/runtime.sgml @@ -1,5 +1,5 @@ <!-- -$PostgreSQL: pgsql/doc/src/sgml/runtime.sgml,v 1.272 2004/08/05 23:32:10 tgl Exp $ +$PostgreSQL: pgsql/doc/src/sgml/runtime.sgml,v 1.273 2004/08/06 04:15:07 momjian Exp $ --> <Chapter Id="runtime"> @@ -1074,7 +1074,7 @@ SET ENABLE_SEQSCAN TO OFF; cost reaches a limit (specified by <varname>vacuum_cost_limit</varname>), the process performing the operation will sleep for a while (specified by - <varname>vacuum_cost_naptime</varname>). Then it will reset the + <varname>vacuum_cost_delay</varname>). Then it will reset the counter and continue execution. </para> @@ -1092,7 +1092,7 @@ SET ENABLE_SEQSCAN TO OFF; <para> This feature is disabled by default. To enable it, set the - <varname>vacuum_cost_naptime</varname> variable to a nonzero + <varname>vacuum_cost_delay</varname> variable to a nonzero value. </para> @@ -1143,8 +1143,8 @@ SET ENABLE_SEQSCAN TO OFF; </listitem> </varlistentry> - <varlistentry id="guc-vacuum-cost-naptime" xreflabel="vacuum_cost_naptime"> - <term><varname>vacuum_cost_naptime</varname> (<type>integer</type>)</term> + <varlistentry id="guc-vacuum-cost-delay" xreflabel="vacuum_cost_delay"> + <term><varname>vacuum_cost_delay</varname> (<type>integer</type>)</term> <listitem> <para> The length of time, in milliseconds, that the process will nap @@ -1153,7 +1153,7 @@ SET ENABLE_SEQSCAN TO OFF; delay feature. Positive values enable cost-based vacuuming. Note however that on many systems, the effective resolution of sleep delays is 10 milliseconds; setting - <varname>vacuum_cost_naptime</varname> to a value that is + <varname>vacuum_cost_delay</varname> to a value that is not a multiple of 10 may have the same results as setting it to the next higher multiple of 10. </para> @@ -1168,10 +1168,10 @@ SET ENABLE_SEQSCAN TO OFF; delays do not occur during such operations. Therefore it is possible that the cost accumulates far higher than the specified limit. To avoid uselessly long delays in such cases, the actual - naptime is calculated as <varname>vacuum_cost_naptime</varname> * + delay is calculated as <varname>vacuum_cost_delay</varname> * <varname>accumulated_balance</varname> / <varname>vacuum_cost_limit</varname> with a maximum of - <varname>vacuum_cost_naptime</varname> * 4. + <varname>vacuum_cost_delay</varname> * 4. </para> </note> |