X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/6d8a27a40903f0dc61876947cecc9401edd3a32c..e2ab0a122f3b721a7663b61769f15713dbcf1a5e:/services/nodemanager/doc/ec2.example.cfg

diff --git a/services/nodemanager/doc/ec2.example.cfg b/services/nodemanager/doc/ec2.example.cfg
index a56e69eea6..9b41ca14d5 100644
--- a/services/nodemanager/doc/ec2.example.cfg
+++ b/services/nodemanager/doc/ec2.example.cfg
@@ -2,6 +2,15 @@
 # All times are in seconds unless specified otherwise.
 
 [Daemon]
+# The dispatcher can customize the start and stop procedure for
+# cloud nodes.  For example, the SLURM dispatcher drains nodes
+# through SLURM before shutting them down.
+#dispatcher = slurm
+
+# Node Manager will ensure that there are at least this many nodes
+# running at all times.
+min_nodes = 0
+
 # Node Manager will not start any compute nodes when at least this
 # many are running.
 max_nodes = 8
@@ -18,6 +27,12 @@ max_poll_time = 300
 # information is too outdated.
 poll_stale_after = 600
 
+# If Node Manager boots a cloud node, and it does not pair with an Arvados
+# node before this long, assume that there was a cloud bootstrap failure and
+# shut it down.  Note that normal shutdown windows apply (see the Cloud
+# section), so this should be shorter than the first shutdown window value.
+boot_fail_after = 1800
+
 # "Node stale time" affects two related behaviors.
 # 1. If a compute node has been running for at least this long, but it
 # isn't paired with an Arvados node, do not shut it down, but leave it alone.
@@ -113,9 +128,11 @@ security_groups = idstring1, idstring2
 # 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).
-# Each size section MUST define the number of cores it has.  You may also
-# want to define the number of mebibytes of scratch space for Crunch jobs.
-# You can also override Amazon's provided data fields by setting the same
-# names here.
+# Each size section MUST define the number of cores are available in this
+# size class (since libcloud does not provide any consistent API for exposing
+# this setting).
+# You may also want to define the amount of scratch space (expressed
+# in GB) for Crunch jobs.  You can also override Amazon's provided
+# data fields by setting the same names here.
 cores = 2
-scratch = 100
\ No newline at end of file
+scratch = 100