Index: conf/nutch-default.xml
===================================================================
--- conf/nutch-default.xml	(revision 801531)
+++ conf/nutch-default.xml	(working copy)
@@ -575,7 +575,7 @@
 
 <property>
   <name>fetcher.threads.per.host.by.ip</name>
-  <value>true</value>
+  <value>false</value>
   <description>If true, then fetcher will count threads by IP address,
   to which the URL's host name resolves. If false, only host name will be
   used. NOTE: this should be set to the same value as
Index: src/java/org/apache/nutch/fetcher/Fetcher.java
===================================================================
--- src/java/org/apache/nutch/fetcher/Fetcher.java	(revision 801531)
+++ src/java/org/apache/nutch/fetcher/Fetcher.java	(working copy)
@@ -460,8 +460,7 @@
       this.protocolFactory = new ProtocolFactory(conf);
       this.normalizers = new URLNormalizers(conf, URLNormalizers.SCOPE_FETCHER);
       this.maxCrawlDelay = conf.getInt("fetcher.max.crawl.delay", 30) * 1000;
-      // backward-compatible default setting
-      this.byIP = conf.getBoolean("fetcher.threads.per.host.by.ip", true);
+      this.byIP = conf.getBoolean("fetcher.threads.per.host.by.ip", false);
       this.maxRedirect = conf.getInt("http.redirect.max", 3);
       this.ignoreExternalLinks = 
         conf.getBoolean("db.ignore.external.links", false);