X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/f16505d89d60d3bd5abc04762712f4ddf78e39fe..c512f060057f497030df8266f680d55084c0e860:/services/nodemanager/doc/gce.example.cfg

diff --git a/services/nodemanager/doc/gce.example.cfg b/services/nodemanager/doc/gce.example.cfg
index 2da9c5ffdd..06fcdff155 100644
--- a/services/nodemanager/doc/gce.example.cfg
+++ b/services/nodemanager/doc/gce.example.cfg
@@ -2,26 +2,29 @@
 # All times are in seconds unless specified otherwise.
 
 [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
 
-# Polls have exponential backoff when services fail to respond.
-# This is the longest time to wait between polls.
-max_poll_time = 300
-
 # 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
+
 # If Node Manager can't succesfully poll a service for this long,
 # it will never start or stop compute nodes, on the assumption that its
 # information is too outdated.