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From Alexander Pivovarov <apivova...@gmail.com>
Subject Re: spark-ec2 vs. EMR
Date Wed, 02 Dec 2015 18:02:43 GMT
Do you think it's a security issue if EMR started in VPC with a subnet
having Auto-assign Public IP: Yes

you can remove all Inbound rules having 0.0.0.0/0 Source in master and
slave Security Group
So, master and slave boxes will be accessible only for users who are on VPN




On Wed, Dec 2, 2015 at 9:44 AM, Dana Powers <dana.powers@gmail.com> wrote:

> EMR was a pain to configure on a private VPC last I tried. Has anyone had
> success with that? I found spark-ec2 easier to use w private networking,
> but also agree that I would use for prod.
>
> -Dana
> On Dec 1, 2015 12:29 PM, "Alexander Pivovarov" <apivovarov@gmail.com>
> wrote:
>
>> 1. Emr 4.2.0 has Zeppelin as an alternative to DataBricks Notebooks
>>
>> 2. Emr has Ganglia 3.6.0
>>
>> 3. Emr has hadoop fs settings to make s3 work fast (direct.EmrFileSystem)
>>
>> 4. EMR has s3 keys in hadoop configs
>>
>> 5. EMR allows to resize cluster on fly.
>>
>> 6. EMR has aws sdk in spark classpath. Helps to reduce app assembly jar
>> size
>>
>> 7. ec2 script installs all in /root, EMR has dedicated users: hadoop,
>> zeppelin, etc. EMR is similar to Cloudera or Hortonworks
>>
>> 8. There are at least 3 spark-ec2 projects. (in apache/spark, in mesos,
>> in amplab). Master branch in spark has outdated ec2 script. Other projects
>> have broken links in readme. WHAT A MESS!
>>
>> 9. ec2 script has bad documentation and non informative error messages.
>> e.g. readme does not say anything about --private-ips option. If you did
>> not add the flag it will connect to empty string host (localhost) instead
>> of master. Fixed only last week. Not sure if fixed in all branches
>>
>> 10. I think Amazon will include spark-jobserver to EMR soon.
>>
>> 11. You do not need to be aws expert to start EMR cluster. Users can use
>> EMR web ui to start cluster to run some jobs or work in Zeppelun during the
>> day
>>
>> 12. EMR cluster starts in abour 8 min. Ec2 script works longer and you
>> need to be online.
>> On Dec 1, 2015 9:22 AM, "Jerry Lam" <chilinglam@gmail.com> wrote:
>>
>>> Simply put:
>>>
>>> EMR = Hadoop Ecosystem (Yarn, HDFS, etc) + Spark + EMRFS + Amazon EMR
>>> API + Selected Instance Types + Amazon EC2 Friendly (bootstrapping)
>>> spark-ec2 = HDFS + Yarn (Optional) + Spark (Standalone Default) + Any
>>> Instance Type
>>>
>>> I use spark-ec2 for prototyping and I have never use it for production.
>>>
>>> just my $0.02
>>>
>>>
>>>
>>> On Dec 1, 2015, at 11:15 AM, Nick Chammas <nicholas.chammas@gmail.com>
>>> wrote:
>>>
>>> Pinging this thread in case anyone has thoughts on the matter they want
>>> to share.
>>>
>>> On Sat, Nov 21, 2015 at 11:32 AM Nicholas Chammas <[hidden email]>
>>> wrote:
>>>
>>>> Spark has come bundled with spark-ec2
>>>> <http://spark.apache.org/docs/latest/ec2-scripts.html> for many years.
>>>> At the same time, EMR has been capable of running Spark for a while, and
>>>> earlier this year it added "official" support
>>>> <https://aws.amazon.com/blogs/aws/new-apache-spark-on-amazon-emr/>.
>>>>
>>>> If you're looking for a way to provision Spark clusters, there are some
>>>> clear differences between these 2 options. I think the biggest one would
be
>>>> that EMR is a "production" solution backed by a company, whereas spark-ec2
>>>> is not really intended for production use (as far as I know).
>>>>
>>>> That particular difference in intended use may or may not matter to
>>>> you, but I'm curious:
>>>>
>>>> What are some of the other differences between the 2 that do matter to
>>>> you? If you were considering these 2 solutions for your use case at one
>>>> point recently, why did you choose one over the other?
>>>>
>>>> I'd be especially interested in hearing about why people might choose
>>>> spark-ec2 over EMR, since the latter option seems to have shaped up nicely
>>>> this year.
>>>>
>>>> Nick
>>>>
>>>>
>>> ------------------------------
>>> View this message in context: Re: spark-ec2 vs. EMR
>>> <http://apache-spark-user-list.1001560.n3.nabble.com/Re-spark-ec2-vs-EMR-tp25538.html>
>>> Sent from the Apache Spark User List mailing list archive
>>> <http://apache-spark-user-list.1001560.n3.nabble.com/> at Nabble.com.
>>>
>>>
>>>

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