diff --git a/doc/source/examples/zoo.cfg b/doc/source/examples/zoo.cfg
index 7f0cbf7cba..685e42e7fc 100644
--- a/doc/source/examples/zoo.cfg
+++ b/doc/source/examples/zoo.cfg
@@ -4,7 +4,7 @@ tickTime=2000
 initLimit=5
 syncLimit=2
 autopurge.snapRetainCount=3
-autopurge.purgeInterval=0
+autopurge.purgeInterval=2
 maxClientCnxns=1000
 standaloneEnabled=true
 admin.enableServer=true
diff --git a/doc/source/howtos/zookeeper.rst b/doc/source/howtos/zookeeper.rst
index b4b51618b1..caca171a81 100644
--- a/doc/source/howtos/zookeeper.rst
+++ b/doc/source/howtos/zookeeper.rst
@@ -15,10 +15,12 @@ The following general configuration setting in
 
 .. code-block::
 
-   autopurge.purgeInterval=6
+   autopurge.purgeInterval=2
 
-This instructs ZooKeeper to purge old snapshots every 6 hours.  This
-will avoid filling the disk.
+ZooKeeper's default config will never purge snapshots, causing the
+disk to eventually fill up.  This instructs ZooKeeper to purge old
+snapshots every 2 hours.  This covers most use cases.  This value
+depends on load and available disk space.
 
 .. _zk-encrypted-connections:
 
diff --git a/tools/zoo.cfg b/tools/zoo.cfg
index 7d9f3cee40..56b96ca6fc 100644
--- a/tools/zoo.cfg
+++ b/tools/zoo.cfg
@@ -5,7 +5,7 @@ tickTime=2000
 initLimit=5
 syncLimit=2
 autopurge.snapRetainCount=3
-autopurge.purgeInterval=0
+autopurge.purgeInterval=2
 maxClientCnxns=1000
 standaloneEnabled=true
 admin.enableServer=true