Add warning for AWS Batch mem request lower than 4 GB

nextflow-io · Nov 1, 2020 · e9240fc · e9240fc
1 parent e590e0a
commit e9240fc
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/modules/nf-amazon/src/main/nextflow/cloud/aws/batch/AwsBatchTaskHandler.groovy b/modules/nf-amazon/src/main/nextflow/cloud/aws/batch/AwsBatchTaskHandler.groovy
@@ -546,8 +546,13 @@ class AwsBatchTaskHandler extends TaskHandler implements BatchHandler<String,Job
         def container = new ContainerOverrides()
         container.command = getSubmitCommand()
         // set the task memory
-        if( task.config.getMemory() )
-            container.memory = (int)task.config.getMemory().toMega()
+        if( task.config.getMemory() ) {
+            final mega = (int)task.config.getMemory().toMega()
+            if( mega >= 4 )
+                container.memory = mega
+            else
+                log.warn "Ignoring task $bean.name memory directive: ${task.config.getMemory()} -- AWS Batch job memory request cannot be lower than 4 MB"
+        }
         // set the task cpus
         if( task.config.getCpus() > 1 )
             container.vcpus = task.config.getCpus()