doc:  add example of using pg_dump with GNU split and gzip
This is only possible with GNU split, not other versions like BSD split.
Reported-by:
Discussion:
Backpatch-through: 9.6
@@ -273,10 +273,10 @@ cat <replaceable class="parameter">filename</replaceable>.gz | gunzip | psql <re
The <command>split</command> command
allows you to split the output into smaller files that are
acceptable in size to the underlying file system. For example, to
- make chunks of 1 megabyte:
+ make 2 gigabyte chunks:
<programlisting>
-pg_dump <replaceable class="parameter">dbname</replaceable> | split -b 1m - <replaceable class="parameter">filename</replaceable>
+pg_dump <replaceable class="parameter">dbname</replaceable> | split -b 2G - <replaceable class="parameter">filename</replaceable>
</programlisting>
Reload with:
@@ -284,6 +284,15 @@ pg_dump <replaceable class="parameter">dbname</replaceable> | split -b 1m - <rep
<programlisting>
cat <replaceable class="parameter">filename</replaceable>* | psql <replaceable class="parameter">dbname</replaceable>
</programlisting>
+
+ If using GNU <application>split</application>, it is possible to
+ use it and <application>gzip</application> together:
+
+<programlisting>
+pg_dump <replaceable class="parameter">dbname</replaceable> | split -b 2G --filter='gzip > $FILE.gz'
+</programlisting>
+
+ It can be restored using <command>zcat</command>.
</para>
</formalpara>
