diff --git a/bundles/postgresql/metadata.py b/bundles/postgresql/metadata.py
index 5b17ff4..4cb476d 100644
--- a/bundles/postgresql/metadata.py
+++ b/bundles/postgresql/metadata.py
@@ -30,6 +30,7 @@ if node.has_bundle('zfs'):
                 'mountpoint': '/var/lib/postgresql',
                 'recordsize': '8192',
                 'atime': 'off',
+                'logbias': 'throughput',
             },
         },
     }
diff --git a/bundles/zfs/metadata.py b/bundles/zfs/metadata.py
index b151a8a..bf9389e 100644
--- a/bundles/zfs/metadata.py
+++ b/bundles/zfs/metadata.py
@@ -60,6 +60,7 @@ def dataset_defaults(metadata):
             'datasets': {
                 name: {
                     'compression': 'lz4',
+                    'relatime': 'on',
                 } for name, config in metadata.get('zfs/datasets').items()
             },
         },
diff --git a/items/zfs_dataset.py b/items/zfs_dataset.py
index 22e93e2..de4632c 100644
--- a/items/zfs_dataset.py
+++ b/items/zfs_dataset.py
@@ -70,12 +70,14 @@ class ZFSDataset(Item):
     BUNDLE_ATTRIBUTE_NAME = "zfs_datasets"
     ITEM_ATTRIBUTES = {
         'atime': None,
+        'relatime': None,
         'acltype': None,
         'compression': None,
         'mountpoint': None,
         'quota': None,
         'recordsize': None,
         'dedup': None,
+        'logbias': None,
     }
     ITEM_TYPE_NAME = "zfs_dataset"