diff --git a/conf.d/libvirt.yaml.example b/conf.d/libvirt.yaml.example
index e1f15e20..49b6dcc6 100644
--- a/conf.d/libvirt.yaml.example
+++ b/conf.d/libvirt.yaml.example
@@ -6,6 +6,7 @@ init_config:
     project_name: service
     username: nova
     auth_url: 'http://192.168.10.5/identity'
+    region_name: 'region1'
     # Options to specify endpoint type, default to 'publicURL', other choices:
     # 'internalURL' and 'adminURL'
     endpoint_type: 'publicURL'
@@ -20,6 +21,8 @@ init_config:
     # The word 'NAMESPACE' is automatically replaced by the appropriate network
     # namespace for each VM being monitored.
     ping_check: sudo -n /sbin/ip exec NAMESPACE /usr/bin/fping -n -c1 -t250 -q
+    # Number of ping command processes that will be run concurrently.
+    max_ping_concurrency: 8
     # Suppress all per-VM metrics aside from host_alive_status, including all
     # I/O, network, memory, ping, and CPU metrics.
     alive_only: false
@@ -31,6 +34,26 @@ init_config:
     # Include scale group dimension for customer metrics.
     customer_metadata:
     - scale_group
+    # Submit network metrics in bits rather than bytes.
+    network_use_bits: false
+    # Configuration parameters used to control which metrics are reported
+    # by libvirt plugin.
+    vm_cpu_check_enable: True
+    vm_disks_check_enable: True
+    vm_network_check_enable: True
+    vm_ping_check_enable: True
+    vm_extended_disks_check_enable: False
+    # Specify a regular expression with which to match nova host aggregate names.
+    # If this hypervisor is a member of a host aggregate matching this regular
+    # expression, an additional dimension of host_aggregate will be published
+    # for the operations metrics (with a value of the host aggregate name).
+    host_aggregate_re: None
+    # Interval between disk metric collections in seconds. If this is less than
+    # the agent collection period, it will be ignored.
+    disk_collection_period: 0
+    # Interval between vnic metric collections in seconds. If this is less than
+    # the agent collection period, it will be ignored.
+    vnic_collection_period: 0
 instances:
     # Instances are automatically detected through queries to the Nova API,
     # and therefore do not need to be listed here, so this remains empty.
diff --git a/docs/Libvirt.md b/docs/Libvirt.md
index 828e17a9..d7daf8ff 100644
--- a/docs/Libvirt.md
+++ b/docs/Libvirt.md
@@ -79,7 +79,7 @@ If the owner of the VM is in a different tenant the Agent Cross-Tenant Metric Su
 
 `vm_ping_check_enable` enable host alive ping check (Default True). Please see "Mapping Metrics to Configuration Parameters" section below for what metrics are controlled by this flag.
 
-`vm_extended_disks_check_enable` enable collecting of extended Disk metrics (Default True). Please see "Mapping Metrics to Configuration Parameters" section below for what metrics are controlled by this flag.
+`vm_extended_disks_check_enable` enable collecting of extended Disk metrics (Default False). Please see "Mapping Metrics to Configuration Parameters" section below for what metrics are controlled by this flag.
 
 `host_aggregate_re` can be used to specify a regular expression with which to match nova host aggregate names.  If this hypervisor is a member of a host aggregate matching this regular expression, an additional dimension of `host_aggregate` will be published for the operations metrics (with a value of the host aggregate name).
 
@@ -101,9 +101,17 @@ init_config:
     vm_probation: 300
     ping_check: /opt/stack/venv/monasca_agent-20160224T213950Z/bin/ip netns exec NAMESPACE
       /bin/ping -n -c1 -w1 -q
+    max_ping_concurrency: 8
     alive_only: false
     network_use_bits: false
-    host_aggregate_re: M[34]
+    vm_cpu_check_enable: True
+    vm_disks_check_enable: True
+    vm_network_check_enable: True
+    vm_ping_check_enable: True
+    vm_extended_disks_check_enable: False
+    host_aggregate_re: None
+    disk_collection_period: 0
+    vnic_collection_period: 0
 instances:
     - {}
 ```
@@ -393,11 +401,11 @@ Configuration parameters can be used to control which metrics are reported by li
 | | vm.net.out_packets | net.out_packets |
 | | vm.net.out_packets_sec | net.out_packets_sec |
 | vm_ping_check_enable (default: True) | vm.ping_status | ping_status |
-| vm_extended_disks_check_enable (default: True) | vm.disk.allocation | disk.allocation |
+| vm_extended_disks_check_enable (default: False) | vm.disk.allocation | disk.allocation |
 | | vm.disk.capacity | disk.capacity |
 | | vm.disk.physical | disk.physical |
 | | vm.disk.allocation_total | disk.allocation_total |
-|vm_disks_check_enable(default: True) and vm_extended_disks_check_enable(default: True) | vm.io.errors_total | io.errors_total |
+|vm_disks_check_enable(default: True) and vm_extended_disks_check_enable(default: False) | vm.io.errors_total | io.errors_total |
 | | vm.io.errors_total_sec | io.errors_total_sec |
 | | vm.io.read_bytes_total | io.read_bytes_total |
 | | vm.io.read_bytes_total_sec | io.read_bytes_total_sec |