From: Peter Amstutz <peter.amstutz@curii.com>
Date: Tue, 22 Mar 2022 21:04:23 +0000 (-0400)
Subject: 18180: Change AlwaysUsePreemptibleInstances: default to false
X-Git-Tag: 2.4.0~28^2
X-Git-Url: https://git.arvados.org/arvados.git/commitdiff_plain/03c43c5986e63cfa753e212677d540d9cb2c7df8

18180: Change AlwaysUsePreemptibleInstances: default to false

Add a little more detail to API docs about preemptible scheduling parameter.

Arvados-DCO-1.1-Signed-off-by: Peter Amstutz <peter.amstutz@curii.com>
---

diff --git a/doc/_includes/_container_scheduling_parameters.liquid b/doc/_includes/_container_scheduling_parameters.liquid
index be046173ad..636b6df59c 100644
--- a/doc/_includes/_container_scheduling_parameters.liquid
+++ b/doc/_includes/_container_scheduling_parameters.liquid
@@ -11,5 +11,5 @@ Parameters to be passed to the container scheduler (e.g., Slurm) when running a
 table(table table-bordered table-condensed).
 |_. Key|_. Type|_. Description|_. Notes|
 |partitions|array of strings|The names of one or more compute partitions that may run this container. If not provided, the system will choose where to run the container.|Optional.|
-|preemptible|boolean|If true, the dispatcher will ask for a preemptible cloud node instance (eg: AWS Spot Instance) to run this container.|Optional. Default is false.|
+|preemptible|boolean|If true, the dispatcher should use a preemptible cloud node instance (eg: AWS Spot Instance) to run this container.  Whether a preemptible instance is actually used "depends on cluster configuration.":{{site.baseurl}}/admin/spot-instances.html|Optional. Default is false.|
 |max_run_time|integer|Maximum running time (in seconds) that this container will be allowed to run before being cancelled.|Optional. Default is 0 (no limit).|
diff --git a/lib/config/config.default.yml b/lib/config/config.default.yml
index 8bbc33ba08..22e2c58b78 100644
--- a/lib/config/config.default.yml
+++ b/lib/config/config.default.yml
@@ -917,7 +917,7 @@ Clusters:
       #
       # This flag is ignored if no preemptible instance types are
       # configured, and has no effect on top-level containers.
-      AlwaysUsePreemptibleInstances: true
+      AlwaysUsePreemptibleInstances: false
 
       # PEM encoded SSH key (RSA, DSA, or ECDSA) used by the
       # cloud dispatcher for executing containers on worker VMs.