diff options
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/maintenance.sgml | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/doc/src/sgml/maintenance.sgml b/doc/src/sgml/maintenance.sgml index d692308cf49..8764e0091ac 100644 --- a/doc/src/sgml/maintenance.sgml +++ b/doc/src/sgml/maintenance.sgml @@ -792,10 +792,13 @@ analyze threshold = analyze base threshold + analyze scale factor * number of tu </para> <para> - When multiple workers are running, the cost limit is + When multiple workers are running, the cost delay parameters are <quote>balanced</quote> among all the running workers, so that the - total impact on the system is the same, regardless of the number - of workers actually running. + total I/O impact on the system is the same regardless of the number + of workers actually running. However, any workers processing tables whose + <literal>autovacuum_vacuum_cost_delay</> or + <literal>autovacuum_vacuum_cost_limit</> have been set are not considered + in the balancing algorithm. </para> </sect2> </sect1> |