18287: Remove superfluous {ExternalURL: "-"} values.

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

diff --git a/lib/config/config.default.yml b/lib/config/config.default.yml
index 8cbe51d2045a28a0612a2bfc60ff092ed9c43338..49f35d15cf4addb7691a8d23119dd616a29c8b39 100644 (file)
--- a/lib/config/config.default.yml
+++ b/lib/config/config.default.yml
@@ -33,7 +33,7 @@ Clusters:
 
       RailsAPI:
         InternalURLs: {SAMPLE: {}}
-        ExternalURL: "-"
+        ExternalURL: ""
       Controller:
         InternalURLs: {SAMPLE: {}}
         ExternalURL: ""
@@ -42,7 +42,7 @@ Clusters:
         ExternalURL: ""
       Keepbalance:
         InternalURLs: {SAMPLE: {}}
-        ExternalURL: "-"
+        ExternalURL: ""
       GitHTTP:
         InternalURLs: {SAMPLE: {}}
         ExternalURL: ""
@@ -51,10 +51,10 @@ Clusters:
         ExternalURL: ""
       DispatchCloud:
         InternalURLs: {SAMPLE: {}}
-        ExternalURL: "-"
+        ExternalURL: ""
       DispatchLSF:
         InternalURLs: {SAMPLE: {}}
-        ExternalURL: "-"
+        ExternalURL: ""
       Keepproxy:
         InternalURLs: {SAMPLE: {}}
         ExternalURL: ""
@@ -119,7 +119,7 @@ Clusters:
             # the old URL (with trailing slash omitted) to preserve
             # rendezvous ordering.
             Rendezvous: ""
-        ExternalURL: "-"
+        ExternalURL: ""
       Composer:
         InternalURLs: {SAMPLE: {}}
         ExternalURL: ""
@@ -142,7 +142,7 @@ Clusters:
         ExternalURL: ""
       Health:
         InternalURLs: {SAMPLE: {}}
-        ExternalURL: "-"
+        ExternalURL: ""
 
     PostgreSQL:
       # max concurrent connections per arvados server daemon
@@ -1091,13 +1091,25 @@ Clusters:
 
         # Maximum create/destroy-instance operations per second (0 =
         # unlimited).
-        MaxCloudOpsPerSecond: 0
+        MaxCloudOpsPerSecond: 10
 
-        # Maximum concurrent node creation operations (0 = unlimited). This is
-        # recommended by Azure in certain scenarios (see
-        # https://docs.microsoft.com/en-us/azure/virtual-machines/linux/capture-image)
-        # and can be used with other cloud providers too, if desired.
-        MaxConcurrentInstanceCreateOps: 0
+        # Maximum concurrent instance creation operations (0 = unlimited).
+        #
+        # MaxConcurrentInstanceCreateOps limits the number of instance creation
+        # requests that can be in flight at any one time, whereas
+        # MaxCloudOpsPerSecond limits the number of create/destroy operations
+        # that can be started per second.
+        #
+        # Because the API for instance creation on Azure is synchronous, it is
+        # recommended to increase MaxConcurrentInstanceCreateOps when running
+        # on Azure. When using managed images, a value of 20 would be
+        # appropriate. When using Azure Shared Image Galeries, it could be set
+        # higher. For more information, see
+        # https://docs.microsoft.com/en-us/azure/virtual-machines/linux/capture-image
+        #
+        # MaxConcurrentInstanceCreateOps can be increased for other cloud
+        # providers too, if desired.
+        MaxConcurrentInstanceCreateOps: 1
 
         # Interval between cloud provider syncs/updates ("list all
         # instances").