18693: Use row locking only if enabled in config.

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

diff --git a/lib/config/config.default.yml b/lib/config/config.default.yml
index 0246cb88d5736e158bb1f502d91423b7b7072832..357860652c694944b11e2c3133a76564c62de759 100644 (file)
--- a/lib/config/config.default.yml
+++ b/lib/config/config.default.yml
@@ -288,6 +288,9 @@ Clusters:
       # any user with "manage" permission can un-freeze.
       UnfreezeProjectRequiresAdmin: false
 
+      # (Experimental) Use row-level locking on update API calls.
+      LockBeforeUpdate: false
+
     Users:
       # Config parameters to automatically setup new users.  If enabled,
       # this users will be able to self-activate.  Enable this if you want
@@ -373,6 +376,12 @@ 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 +974,15 @@ 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.