X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/6cd3b6fb1c143017c6bca4db899c8c6ddd237572..87c9678022eb027f8d7f02129c1ec052205387d8:/services/nodemanager/doc/gce.example.cfg

diff --git a/services/nodemanager/doc/gce.example.cfg b/services/nodemanager/doc/gce.example.cfg
index 67703703ba..043bb9567d 100644
--- a/services/nodemanager/doc/gce.example.cfg
+++ b/services/nodemanager/doc/gce.example.cfg
@@ -1,18 +1,36 @@
 # Google Compute Engine configuration for Arvados Node Manager.
 # All times are in seconds unless specified otherwise.
 
+[Manage]
+# The management server responds to http://addr:port/status.json with
+# a snapshot of internal state.
+
+# Management server listening address (default 127.0.0.1)
+#address = 0.0.0.0
+
+# Management server port number (default -1, server is disabled)
+#port = 8989
+
 [Daemon]
-# Node Manager will ensure that there are at least this many nodes
-# running at all times.
+# Node Manager will ensure that there are at least this many nodes running at
+# all times.  If node manager needs to start new idle nodes for the purpose of
+# satisfying min_nodes, it will use the cheapest node type.  However, depending
+# on usage patterns, it may also satisfy min_nodes by keeping alive some
+# more-expensive nodes
 min_nodes = 0
 
 # Node Manager will not start any compute nodes when at least this
-# many are running.
+# running at all times.  By default, these will be the cheapest node size.
 max_nodes = 8
 
 # Poll compute nodes and Arvados for new information every N seconds.
 poll_time = 60
 
+# Upper limit on rate of spending (in $/hr), will not boot additional nodes
+# if total price of already running nodes meets or exceeds this threshold.
+# default 0 means no limit.
+max_total_price = 0
+
 # Polls have exponential backoff when services fail to respond.
 # This is the longest time to wait between polls.
 max_poll_time = 300
@@ -32,6 +50,12 @@ poll_stale_after = 600
 # an Arvados node that hasn't been updated for this long.
 node_stale_after = 14400
 
+# Scaling factor to be applied to nodes' available RAM size. Usually there's a
+# variable discrepancy between the advertised RAM value on cloud nodes and the
+# actual amount available.
+# If not set, this value will be set to 0.95
+node_mem_scaling = 0.95
+
 # File path for Certificate Authorities
 certs_file = /etc/ssl/certs/ca-certificates.crt
 
@@ -118,11 +142,10 @@ image = debian-7
 # See http://libcloud.readthedocs.org/en/latest/compute/drivers/gce.html#specifying-service-account-scopes
 # service_accounts = [{'email':'account@example.com', 'scopes':['storage-ro']}]
 
-[Size n1-standard-2]
+
 # You can define any number of Size sections to list node sizes you're
 # willing to use.  The Node Manager should boot the cheapest size(s) that
-# can run jobs in the queue (N.B.: defining more than one size has not been
-# tested yet).
+# can run jobs in the queue.
 #
 # The Size fields are interpreted the same way as with a libcloud NodeSize:
 # http://libcloud.readthedocs.org/en/latest/compute/api.html#libcloud.compute.base.NodeSize
@@ -135,6 +158,15 @@ image = debian-7
 # this setting).
 # You may also want to define the amount of scratch space (expressed
 # in GB) for Crunch jobs.
+# You can also override Google's provided data fields (such as price per hour)
+# by setting them here.
+
+[Size n1-standard-2]
 cores = 2
+price = 0.076
 scratch = 100
-ram = 512
+
+[Size n1-standard-4]
+cores = 4
+price = 0.152
+scratch = 200
\ No newline at end of file