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author | Bruce Momjian <bruce@momjian.us> | 2023-11-21 15:32:04 -0500 |
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committer | Bruce Momjian <bruce@momjian.us> | 2023-11-21 15:32:25 -0500 |
commit | 3af101ce8be8eeb0e8adc61e293b5d12989f68be (patch) | |
tree | 8e0ed7974747b3b151d20c3610e8f4cf7f57399f /doc/src | |
parent | afc3b0143c89405540461f306137ab6a9671c3bb (diff) | |
download | postgresql-3af101ce8be8eeb0e8adc61e293b5d12989f68be.tar.gz postgresql-3af101ce8be8eeb0e8adc61e293b5d12989f68be.zip |
doc: vacuum_cost_limit controls when vacuum_cost_delay happens
Mention this relationship.
Reported-by: Martín Marqués
Discussion: https://postgr.es/m/CABeG9LtsAVP4waKngUYo-HAiiowcb8xEjQvDDfhX_nFi5SJ4jw@mail.gmail.com
Author: Martín Marqués
Backpatch-through: master
Diffstat (limited to 'doc/src')
-rw-r--r-- | doc/src/sgml/config.sgml | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml index 9398afbcbd3..93735e3aea5 100644 --- a/doc/src/sgml/config.sgml +++ b/doc/src/sgml/config.sgml @@ -2303,8 +2303,8 @@ include_dir 'conf.d' </term> <listitem> <para> - The accumulated cost that will cause the vacuuming process to sleep. - The default value is 200. + This is the accumulated cost that will cause the vacuuming process to sleep + for <varname>vacuum_cost_delay</varname>. The default is 200. </para> </listitem> </varlistentry> @@ -2364,7 +2364,7 @@ include_dir 'conf.d' <varname>bgwriter_delay</varname>. If this value is specified without units, it is taken as milliseconds. The default value is 200 - milliseconds (<literal>200ms</literal>). Note that on many systems, the + milliseconds (<literal>200ms</literal>). Note that on some systems, the effective resolution of sleep delays is 10 milliseconds; setting <varname>bgwriter_delay</varname> to a value that is not a multiple of 10 might have the same results as setting it to the next higher multiple @@ -3258,7 +3258,7 @@ include_dir 'conf.d' flushed to disk. If this value is specified without units, it is taken as milliseconds. The default value is 200 milliseconds (<literal>200ms</literal>). Note that - on many systems, the effective resolution of sleep delays is 10 + on some systems, the effective resolution of sleep delays is 10 milliseconds; setting <varname>wal_writer_delay</varname> to a value that is not a multiple of 10 might have the same results as setting it to the next higher multiple of 10. This parameter can only be set in the |