arv:WorkflowRunnerResources:
ramMin: 2048
coresMin: 2
+ keep_cache: 512
+ arv:ClusterTarget:
+ cluster_id: clsr1
+ project_uuid: clsr1-j7d0g-qxc4jcji7n4lafx
</pre>
The one exception to this is @arv:APIRequirement@, see note below.
|_. Field |_. Type |_. Description |
|ramMin|int|RAM, in mebibytes, to reserve for the arvados-cwl-runner process. Default 1 GiB|
|coresMin|int|Number of cores to reserve to the arvados-cwl-runner process. Default 1 core.|
+|keep_cache|int|Size of collection metadata cache for the workflow runner, in MiB. Default 256 MiB. Will be added on to the RAM request when determining node size to request.|
+
+h2(#clustertarget). arv:ClusterTarget
+
+Specify which Arvados cluster should execute a container or subworkflow, and the parent project for the container request.
+
+table(table table-bordered table-condensed).
+|_. Field |_. Type |_. Description |
+|cluster_id|string|The five-character alphanumeric cluster id (uuid prefix) where a container or subworkflow will execute. May be an expression.|
+|project_uuid|string|The uuid of the project which will own container request and output of the container. May be an expression.|
+
+h2. arv:dockerCollectionPDH
+
+This is an optional extension field appearing on the standard @DockerRequirement@. It specifies the portable data hash of the Arvados collection containing the Docker image. If present, it takes precedence over @dockerPull@ or @dockerImageId@.
+
+<pre>
+requirements:
+ DockerRequirement:
+ dockerPull: "debian:8"
+ arv:dockerCollectionPDH: "feaf1fc916103d7cdab6489e1f8c3a2b+174"
+</pre>