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https://issues.apache.org/jira/browse/SPARK-7900?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14563225#comment-14563225
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Shivaram Venkataraman commented on SPARK-7900:
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I personally don't mind all the slaves getting the same name tag -- As long as
it doesn't affect other functionality in spark_ec2.py.
> Reduce number of tagging calls in spark-ec2
> -------------------------------------------
>
> Key: SPARK-7900
> URL: https://issues.apache.org/jira/browse/SPARK-7900
> Project: Spark
> Issue Type: Bug
> Components: EC2
> Affects Versions: 1.4.0
> Reporter: Nicholas Chammas
> Priority: Minor
>
> spark-ec2 currently tags each instance with its own name:
> https://github.com/apache/spark/blob/4615081d7a10b023491e25478d19b8161e030974/ec2/spark_ec2.py#L684-L692
> Quite often, one of these tagging calls will fail:
> {code}
> Launching instances...
> Launched 10 slaves in us-west-2a, regid = r-89656e83
> Launched master in us-west-2a, regid = r-07646f0d
> Waiting for AWS to propagate instance metadata...
> Traceback (most recent call last):
> File "../spark/ec2/spark_ec2.py", line 1395, in <module>
> main()
> File "../spark/ec2/spark_ec2.py", line 1387, in main
> real_main()
> File "../spark/ec2/spark_ec2.py", line 1222, in real_main
> (master_nodes, slave_nodes) = launch_cluster(conn, opts, cluster_name)
> File "../spark/ec2/spark_ec2.py", line 667, in launch_cluster
> value='{cn}-slave-{iid}'.format(cn=cluster_name, iid=slave.id))
> File "</path/spark/ec2/lib/boto-2.34.0/boto/ec2/ec2object.py",> line 80, in
> add_tag
> self.add_tags({key: value}, dry_run)
> File "</path/spark/ec2/lib/boto-2.34.0/boto/ec2/ec2object.py",> line 97, in
> add_tags
> dry_run=dry_run
> File "</path/spark/ec2/lib/boto-2.34.0/boto/ec2/connection.py",> line 4202,
> in create_tags
> return self.get_status('CreateTags', params, verb='POST')
> File "</path/spark/ec2/lib/boto-2.34.0/boto/connection.py",> line 1223, in
> get_status
> raise self.ResponseError(response.status, response.reason, body)
> boto.exception.EC2ResponseError: EC2ResponseError: 400 Bad Request
> <?xml version="1.0" encoding="UTF-8"?>
> <Response><Errors><Error><Code>InvalidInstanceID.NotFound</Code><Message>The
> instance ID 'i-d3b72524' does not
> exist</Message></Error></Errors><RequestID>f0936ab5-4d10-46d1-a35d-cefaf8a68adc</RequestID></Response>
> {code}
> This is presumably a problem with AWS metadata taking time to become
> available on all the servers that spark-ec2 hits as it makes the several
> tagging calls.
> Instead of retrying the tagging calls, we should just reduce them to 2
> calls--one for the master, one for the slaves.
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