I think you can also pass in a zip file using the --files option
(http://spark.apache.org/docs/latest/running-on-yarn.html has some
examples). The files should then be present in the current working
directory of the driver R process.
Thanks
Shivaram
On Wed, Aug 17, 2016 at 4:16 AM, Felix Cheung <felixcheun...@hotmail.com> wrote:
> When you call library(), that is the library loading function in native R.
> As of now it does not support HDFS but there are several packages out there
> that might help.
>
> Another approach is to have a prefetch/installation mechanism to call HDFS
> command to download the R package from HDFS onto the worker node first.
>
>
> _____________________________
> From: Senthil Kumar <senthilec...@gmail.com>
> Sent: Wednesday, August 17, 2016 2:23 AM
> Subject: Spark R - Loading Third Party R Library in YARN Executors
> To: Senthil kumar <senthilec...@gmail.com>, <du...@ebay.com>,
> <jiaj...@ebay.com>, <dev@spark.apache.org>
>
>
>
> Hi All , We are using Spark 1.6 Version R library .. Below is our code
> which Loads the THIRD Party Library .
>
>
> library("BreakoutDetection", lib.loc = "hdfs://xxxxxx/BreakoutDetection/") :
> library("BreakoutDetection", lib.loc = "//xxxxxx/BreakoutDetection/") :
>
>
> When i try to execute the code using LOCAL Mode , Spark R code is Working
> fine without any issue . If i submit the Job in Cluster , we will end up
> with error.
>
> error in evaluating the argument 'X' in selecting a method for function
> 'lapply': Error in library("BreakoutDetection", lib.loc =
> "hdfs://xxxxxxx/BreakoutDetection/") :
> no library trees found in 'lib.loc'
> Calls: f ... lapply -> FUN -> mainProcess -> angleValid -> library
>
>
> Can't we read libraries in R as below ?
> library("BreakoutDetection", lib.loc = "hdfs://xxxxxx/BreakoutDetection/") :
>
> If not what is the other way to solve this problem ?
>
> Since our cluster having close to 2500 nodes we cant copy the Third Party
> Libs to all nodes .. Copying to all DNs is not good practice too ..
>
> Can someone help me here How to load R libs from HDFS or any other way ?
>
>
> --Senthil
>
>
>
>
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