Github user nchammas commented on a diff in the pull request:
https://github.com/apache/spark/pull/4932#discussion_r25957609
--- Diff: ec2/spark_ec2.py ---
@@ -1153,6 +1154,7 @@ def real_main():
cluster_instances=(master_nodes + slave_nodes),
cluster_state='terminated'
)
+ print "Deleting security groups (this will take some
time)..."
--- End diff --
`wait_for_cluster_state()` prints its own status about the cluster state,
so it stays clear to the user. This just makes sure the print about security
groups stays grouped with the attempts that follow.
Unfortunately, many functions in spark-ec2 print to stdout, so it's not
always clear from the code what gets put to screen unless you dig into the
individual funtions.
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