The standalone mode is against Yarn mode or Mesos mode, which means spark
uses Yarn or Mesos as cluster managements.

Local mode is actually a standalone mode which everything runs on the
single local machine instead of remote clusters.

That is my understanding.


On Sat, Jun 11, 2016 at 12:40 PM, Ashok Kumar <ashok34...@yahoo.com.invalid>
wrote:

> Thank you for grateful
>
> I know I can start spark-shell by launching the shell itself
>
> spark-shell
>
> Now I know that in standalone mode I can also connect to master
>
> spark-shell --master spark://<HOST>:7077
>
> My point is what are the differences between these two start-up modes for
> spark-shell? If I start spark-shell and connect to master what performance
> gain will I get if any or it does not matter. Is it the same as for 
> spark-submit
>
>
>
> regards
>
>
> On Saturday, 11 June 2016, 19:39, Mohammad Tariq <donta...@gmail.com>
> wrote:
>
>
> Hi Ashok,
>
> In local mode all the processes run inside a single jvm, whereas in
> standalone mode we have separate master and worker processes running in
> their own jvms.
>
> To quickly test your code from within your IDE you could probable use the
> local mode. However, to get a real feel of how Spark operates I would
> suggest you to have a standalone setup as well. It's just the matter
> of launching a standalone cluster either manually(by starting a master and
> workers by hand), or by using the launch scripts provided with Spark
> package.
>
> You can find more on this *here*
> <http://spark.apache.org/docs/latest/spark-standalone.html>.
>
> HTH
>
>
>
> [image: http://]
>
> Tariq, Mohammad
> about.me/mti
> [image: http://]
> <http://about.me/mti>
>
>
> On Sat, Jun 11, 2016 at 11:38 PM, Ashok Kumar <
> ashok34...@yahoo.com.invalid> wrote:
>
> Hi,
>
> What is the difference between running Spark in Local mode or standalone
> mode?
>
> Are they the same. If they are not which is best suited for non prod work.
>
> I am also aware that one can run Spark in Yarn mode as well.
>
> Thanks
>
>
>
>
>

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