[svnbook commit] r1313 - trunk/src/en/book

[fitz]

Author: fitz
Date: Thu May 19 15:05:12 2005
New Revision: 1313

Modified:
   trunk/src/en/book/ch09.xml
Log:
Add paragraph on deltified dumps.  Based on a contribution from Robert
Spier <rspier at pobox.com>.

* src/en/book/ch09.xml: Talk about deltified dumps.


Modified: trunk/src/en/book/ch09.xml
==============================================================================
--- trunk/src/en/book/ch09.xml	(original)
+++ trunk/src/en/book/ch09.xml	Thu May 19 15:05:12 2005
@@ -4033,6 +4033,19 @@
             <replaceable>LOWER</replaceable> is given, dump that one
             revision tree.  See <xref linkend="svn-ch-5-sect-3.5"/>
             for a practical use.</para>
+
+          <para>If the size of your Subversion dumpfile is a concern,
+            you can use the <option>--deltas</option> switch to (in
+            some cases drastically) reduce the size of the dumpfile
+            that <command>svnadmin</command> creates.  With this
+            switch, instead of writing the full content of each
+            revision to the dumpfile, <command>svnadmin dump</command>
+            will only emit the differences from one revision to the
+            next.  There are, however, disadvantages to creating
+            deltified dumpfiles: It's more CPU intensive to create
+            them and <command>svndumpfilter</command> can't operate on
+            them.</para>
+
             </refsect1>
         <refsect1>
           <title>Switches</title>