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| -rw-r--r-- | doc/src/sgml/config.sgml | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml index 81cacdcbe40..cfbb20a39e1 100644 --- a/doc/src/sgml/config.sgml +++ b/doc/src/sgml/config.sgml @@ -4873,6 +4873,12 @@ ANY <replaceable class="parameter">num_sync</replaceable> ( <replaceable class=" will end recovery without further waiting. </para> <para> + WAL records must be kept on the standby until they are ready to be + applied. Therefore, longer delays will result in a greater accumulation + of WAL files, increasing disk space requirements for the standby's + <filename>pg_wal</filename> directory. + </para> + <para> This parameter is intended for use with streaming replication deployments; however, if the parameter is specified it will be honored in all cases except crash recovery. |