diff options
Diffstat (limited to 'doc/src')
-rw-r--r-- | doc/src/sgml/ref/pgupgrade.sgml | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/doc/src/sgml/ref/pgupgrade.sgml b/doc/src/sgml/ref/pgupgrade.sgml index 68ec68f47b6..58c6c2df8b8 100644 --- a/doc/src/sgml/ref/pgupgrade.sgml +++ b/doc/src/sgml/ref/pgupgrade.sgml @@ -264,6 +264,19 @@ PostgreSQL documentation </varlistentry> <varlistentry> + <term><option>--copy-file-range</option></term> + <listitem> + <para> + Use the <function>copy_file_range</function> system call for efficient + copying. On some file systems this gives results similar to + <option>--clone</option>, sharing physical disk blocks, while on others + it may still copy blocks, but do so via an optimized path. At present, + it is supported on Linux and FreeBSD. + </para> + </listitem> + </varlistentry> + + <varlistentry> <term><option>-?</option></term> <term><option>--help</option></term> <listitem><para>show help, then exit</para></listitem> |