19320: Disable spot price checks if configured update interval <= 0.

[arvados.git] / lib / config / config.default.yml

diff --git a/lib/config/config.default.yml b/lib/config/config.default.yml
index 09c068a0b9f701db70c9724f84d59b4845924f68..f6cf0c91a06681ad7c8ec9574713f6eab82afcf0 100644 (file)
--- a/lib/config/config.default.yml
+++ b/lib/config/config.default.yml
@@ -373,6 +373,12 @@ Clusters:
       # cluster.
       RoleGroupsVisibleToAll: true
 
+      # If CanCreateRoleGroups is true, regular (non-admin) users can
+      # create new role groups.
+      #
+      # If false, only admins can create new role groups.
+      CanCreateRoleGroups: true
+
       # During each period, a log entry with event_type="activity"
       # will be recorded for each user who is active during that
       # period. The object_uuid attribute will indicate the user's
@@ -965,8 +971,15 @@ Clusters:
       # troubleshooting purposes.
       LogReuseDecisions: false
 
-      # Default value for keep_cache_ram of a container's runtime_constraints.
-      DefaultKeepCacheRAM: 268435456
+      # Default value for keep_cache_ram of a container's
+      # runtime_constraints.  Note: this gets added to the RAM request
+      # used to allocate a VM or submit an HPC job.
+      #
+      # If this is zero, container requests that don't specify RAM or
+      # disk cache size will use a disk cache, sized to the
+      # container's RAM requirement (but with minimum 2 GiB and
+      # maximum 32 GiB).
+      DefaultKeepCacheRAM: 0
 
       # Number of times a container can be unlocked before being
       # automatically cancelled.
@@ -1028,7 +1041,7 @@ Clusters:
 
       # Extra RAM to reserve on the node, in addition to
       # the amount specified in the container's RuntimeConstraints
-      ReserveExtraRAM: 256MiB
+      ReserveExtraRAM: 550MiB
 
       # Minimum time between two attempts to run the same container
       MinRetryPeriod: 0s
@@ -1382,6 +1395,20 @@ Clusters:
           # the cloud dispatcher. Leave blank when not needed.
           IAMInstanceProfile: ""
 
+          # (ec2) how often to look up spot instance pricing data
+          # (only while running spot instances) for the purpose of
+          # calculating container cost estimates. A value of 0
+          # disables spot price lookups entirely.
+          SpotPriceUpdateInterval: 24h
+
+          # (ec2) per-GiB-month cost of EBS volumes. Matches
+          # EBSVolumeType. Used to account for AddedScratch when
+          # calculating container cost estimates. Note that
+          # https://aws.amazon.com/ebs/pricing/ defines GB to mean
+          # GiB, so an advertised price $0.10/GB indicates a real
+          # price of $0.10/GiB and can be entered here as 0.10.
+          EBSPrice: 0.10
+
           # (azure) Credentials.
           SubscriptionID: ""
           ClientID: ""
@@ -1435,6 +1462,13 @@ Clusters:
         RAM: 128MiB
         IncludedScratch: 16GB
         AddedScratch: 0
+        # Hourly price ($), used to select node types for containers,
+        # and to calculate estimated container costs. For spot
+        # instances on EC2, this is also used as the maximum price
+        # when launching spot instances, while the estimated container
+        # cost is computed based on the current spot price according
+        # to AWS. On Azure, and on-demand instances on EC2, the price
+        # given here is used to compute container cost estimates.
         Price: 0.1
         Preemptible: false
         # Include this section if the node type includes GPU (CUDA) support