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Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/ref/pg_basebackup.sgml | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/doc/src/sgml/ref/pg_basebackup.sgml b/doc/src/sgml/ref/pg_basebackup.sgml index ba7d16abf04..5c2db2581c3 100644 --- a/doc/src/sgml/ref/pg_basebackup.sgml +++ b/doc/src/sgml/ref/pg_basebackup.sgml @@ -240,6 +240,31 @@ PostgreSQL documentation the server does not remove any necessary WAL data in the time between the end of the base backup and the start of streaming replication. </para> + <para> + If this option is not specified and the server supports temporary + replication slots (version 10 and later), then a temporary replication + slot is automatically used for WAL streaming. + </para> + </listitem> + </varlistentry> + + <varlistentry> + <term><option>--no-slot</option></term> + <listitem> + <para> + This option prevents the creation of a temporary replication slot + during the backup even if it's supported by the server. + </para> + <para> + Temporary replication slots are created by default if no slot name + is given with the option <option>-S</option> when using log streaming. + </para> + <para> + The main purpose of this option is to allow taking a base backup when + the server is out of free replication slots. Using replication slots + is almost always preferred, because it prevents needed WAL from being + removed by the server during the backup. + </para> </listitem> </varlistentry> |