diff options
Diffstat (limited to 'doc/src/sgml/ref/pg_basebackup.sgml')
| -rw-r--r-- | doc/src/sgml/ref/pg_basebackup.sgml | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/doc/src/sgml/ref/pg_basebackup.sgml b/doc/src/sgml/ref/pg_basebackup.sgml index 7a1b432eba3..53aa40dcd19 100644 --- a/doc/src/sgml/ref/pg_basebackup.sgml +++ b/doc/src/sgml/ref/pg_basebackup.sgml @@ -417,18 +417,14 @@ PostgreSQL documentation specify <literal>-Xfetch</literal>. </para> <para> - The compression method can be set to <literal>gzip</literal> for - compression with <application>gzip</application>, or - <literal>lz4</literal> for compression with - <application>lz4</application>, or <literal>none</literal> for no - compression. However, <literal>lz4</literal> can be currently only - used with <literal>server</literal>. A compression level can be - optionally specified, by appending the level number after a - colon (<literal>:</literal>). If no level is specified, the default - compression level will be used. If only a level is specified without - mentioning an algorithm, <literal>gzip</literal> compression will - be used if the level is greater than 0, and no compression will be - used if the level is 0. + The compression method can be set to <literal>gzip</literal> or + <literal>lz4</literal>, or <literal>none</literal> for no + compression. A compression level can be optionally specified, by + appending the level number after a colon (<literal>:</literal>). If no + level is specified, the default compression level will be used. If + only a level is specified without mentioning an algorithm, + <literal>gzip</literal> compression will be used if the level is + greater than 0, and no compression will be used if the level is 0. </para> <para> When the tar format is used with <literal>gzip</literal> or @@ -439,6 +435,13 @@ PostgreSQL documentation compression. If this is done, the server will compress the backup for transmission, and the client will decompress and extract it. </para> + <para> + When this option is used in combination with + <literal>-Xstream</literal>, <literal>pg_wal.tar</literal> will + be compressed using <literal>gzip</literal> if client-side gzip + compression is selected, but will not be compressed if server-side + compresion or LZ4 compresion is selected. + </para> </listitem> </varlistentry> </variablelist> |