diff --git a/bundles/influxdb2/metadata.py b/bundles/influxdb2/metadata.py
index be179e0..b3a831c 100644
--- a/bundles/influxdb2/metadata.py
+++ b/bundles/influxdb2/metadata.py
@@ -24,7 +24,9 @@ defaults = {
     'zfs': {
         'datasets': {
             'tank/influxdb': {
-                'mountpoint': '/var/lib/influxdb'
+                'mountpoint': '/var/lib/influxdb',
+                'recordsize': '8192',
+                'atime': 'off',
             },
         },
     },
diff --git a/bundles/postgresql/metadata.py b/bundles/postgresql/metadata.py
index d41513a..5b17ff4 100644
--- a/bundles/postgresql/metadata.py
+++ b/bundles/postgresql/metadata.py
@@ -28,7 +28,8 @@ if node.has_bundle('zfs'):
         'datasets': {
             'tank/postgresql': {
                 'mountpoint': '/var/lib/postgresql',
-#                'recordsize': '16384',
+                'recordsize': '8192',
+                'atime': 'off',
             },
         },
     }