19847: Default to disk cache size = RAM size for all containers.

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

diff --git a/lib/config/config.default.yml b/lib/config/config.default.yml
index 0246cb88d5736e158bb1f502d91423b7b7072832..e57bb7fb9474efd2f1603feb381d024429c94a9f 100644 (file)
--- a/lib/config/config.default.yml
+++ b/lib/config/config.default.yml
@@ -965,8 +965,15 @@ 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.