@Pat, Thanks for your answers. It seems that I have cloned the snapshot
before the feature of configuring spark was added. It worked now in the
local mode. Unfortunately, after trying the new snapshot and spark,
submitting to the cluster in yarn-client mode raise the following error:
Exception in thread "main" java.lang.AbstractMethodError
at org.apache.spark.Logging$class.log(Logging.scala:52)
at org.apache.spark.deploy.yarn.Client.log(Client.scala:39)
at org.apache.spark.Logging$class.logInfo(Logging.scala:59)
at org.apache.spark.deploy.yarn.Client.logInfo(Client.scala:39)
at
org.apache.spark.deploy.yarn.Client.logClusterResourceDetails(Client.scala:103)
at org.apache.spark.deploy.yarn.Client.runApp(Client.scala:60)
at
org.apache.spark.scheduler.cluster.YarnClientSchedulerBackend.start(YarnClientSchedulerBackend.scala:81)
at
org.apache.spark.scheduler.TaskSchedulerImpl.start(TaskSchedulerImpl.scala:141)
at org.apache.spark.SparkContext.<init>(SparkContext.scala:323)
at
org.apache.mahout.sparkbindings.package$.mahoutSparkContext(package.scala:95)
at
org.apache.mahout.drivers.MahoutSparkDriver.start(MahoutSparkDriver.scala:81)
at
org.apache.mahout.drivers.ItemSimilarityDriver$.start(ItemSimilarityDriver.scala:128)
at
org.apache.mahout.drivers.ItemSimilarityDriver$.process(ItemSimilarityDriver.scala:211)
at
org.apache.mahout.drivers.ItemSimilarityDriver$$anonfun$main$1.apply(ItemSimilarityDriver.scala:116)
at
org.apache.mahout.drivers.ItemSimilarityDriver$$anonfun$main$1.apply(ItemSimilarityDriver.scala:114)
at scala.Option.map(Option.scala:145)
at
org.apache.mahout.drivers.ItemSimilarityDriver$.main(ItemSimilarityDriver.scala:114)
at
org.apache.mahout.drivers.ItemSimilarityDriver.main(ItemSimilarityDriver.scala)
and submitting in yarn-cluster mode raise this error:
Exception in thread "main" org.apache.spark.SparkException: YARN mode not
available ?
at
org.apache.spark.SparkContext$.org$apache$spark$SparkContext$$createTaskScheduler(SparkContext.scala:1571)
at org.apache.spark.SparkContext.<init>(SparkContext.scala:310)
at
org.apache.mahout.sparkbindings.package$.mahoutSparkContext(package.scala:95)
at
org.apache.mahout.drivers.MahoutSparkDriver.start(MahoutSparkDriver.scala:81)
at
org.apache.mahout.drivers.ItemSimilarityDriver$.start(ItemSimilarityDriver.scala:128)
at
org.apache.mahout.drivers.ItemSimilarityDriver$.process(ItemSimilarityDriver.scala:211)
at
org.apache.mahout.drivers.ItemSimilarityDriver$$anonfun$main$1.apply(ItemSimilarityDriver.scala:116)
at
org.apache.mahout.drivers.ItemSimilarityDriver$$anonfun$main$1.apply(ItemSimilarityDriver.scala:114)
at scala.Option.map(Option.scala:145)
at
org.apache.mahout.drivers.ItemSimilarityDriver$.main(ItemSimilarityDriver.scala:114)
at
org.apache.mahout.drivers.ItemSimilarityDriver.main(ItemSimilarityDriver.scala)
Caused by: java.lang.ClassNotFoundException:
org.apache.spark.scheduler.cluster.YarnClusterSchedulerBackend
at java.net.URLClassLoader$1.run(URLClassLoader.java:217)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
at java.lang.ClassLoader.loadClass(ClassLoader.java:323)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
at java.lang.ClassLoader.loadClass(ClassLoader.java:268)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:191)
at
org.apache.spark.SparkContext$.org$apache$spark$SparkContext$$createTaskScheduler(SparkContext.scala:1566)
... 10 more
My cluster consists from 3 nodes, andi using hadoop 2.4.0. I have get spark
1.1.0 and mahout-snapshot, compile, package and install them to the local
maven repo. Am I missing something ?
Thanks again
Hani Al-Shater | Data Science Manager - Souq.com <http://souq.com/>
Mob: +962 790471101 | Phone: +962 65821236 | Skype:
[email protected] | [email protected] <[email protected]> |
www.souq.com
Nouh Al Romi Street, Building number 8, Amman, Jordan
On Tue, Dec 23, 2014 at 11:17 AM, hlqv <[email protected]> wrote:
> Hi Pat Ferrel
> Use option --omitStrength to output indexable data but this lead to less
> accuracy while querying due to omit similar values between items.
> Whether can put these values in order to improve accuracy in a search
> engine
>
> On 23 December 2014 at 02:17, Pat Ferrel <[email protected]> wrote:
>
> > Also Ted has an ebook you can download:
> > mapr.com/practical-machine-learning
> >
> > On Dec 22, 2014, at 10:52 AM, Pat Ferrel <[email protected]> wrote:
> >
> > Hi Hani,
> >
> > I recently read about Souq.com. A vey promising project.
> >
> > If you are looking at the spark-itemsimilarity for ecommerce type
> > recommendations you may be interested in some slide decs and blog posts
> > I’ve done on the subject.
> > Check out:
> >
> >
> http://occamsmachete.com/ml/2014/10/07/creating-a-unified-recommender-with-mahout-and-a-search-engine/
> >
> >
> http://occamsmachete.com/ml/2014/08/11/mahout-on-spark-whats-new-in-recommenders/
> >
> >
> http://occamsmachete.com/ml/2014/09/09/mahout-on-spark-whats-new-in-recommenders-part-2/
> >
> > Also I put up a demo site that uses some of these techniques:
> > https://guide.finderbots.com
> >
> > Good luck,
> > Pat
> >
> > On Dec 21, 2014, at 11:44 PM, AlShater, Hani <[email protected]> wrote:
> >
> > Hi All,
> >
> > I am trying to use spark-itemsimilarity on 160M user interactions
> dataset.
> > The job launches and running successfully for small data 1M action.
> > However, when trying for the larger dataset, some spark stages
> continuously
> > fail with out of memory exception.
> >
> > I tried to change the spark.storage.memoryFraction from spark default
> > configuration, but I face the same issue again. How could I configure
> spark
> > when using spark-itemsimilarity, or how to overcome this out of memory
> > issue.
> >
> > Can you please advice ?
> >
> > Thanks,
> > Hani.​​
> > ​
> >
> > Hani Al-Shater | Data Science Manager - Souq.com <http://souq.com/>
> > Mob: +962 790471101 | Phone: +962 65821236 | Skype:
> > [email protected] | [email protected] <[email protected]> |
> > www.souq.com
> > Nouh Al Romi Street, Building number 8, Amman, Jordan
> >
> > --
> >
> >
> > *Download free Souq.com <http://souq.com/> mobile apps for iPhone
> > <https://itunes.apple.com/us/app/id675000850>, iPad
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> > <
> >
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> >
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--
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<https://itunes.apple.com/us/app/id675000850>, iPad
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Phone
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