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From Xiangrui Meng <men...@gmail.com>
Subject Re: MLLIB and Openblas library in non-default dir
Date Mon, 05 Jan 2015 21:35:49 GMT
It might be hard to do that with spark-submit, because the executor
JVMs may be already up and running before a user runs spark-submit.
You can try to use `System.setProperty` to change the property at
runtime, though it doesn't seem to be a good solution. -Xiangrui

On Fri, Jan 2, 2015 at 6:28 AM, xhudik <xhudik@gmail.com> wrote:
> Hi
> I have compiled OpenBlas library into nonstandard directory and I want to
> inform Spark app about it via:
> -Dcom.github.fommil.netlib.NativeSystemBLAS.natives=/usr/local/lib/libopenblas.so
> which is a standard option in netlib-java
> (https://github.com/fommil/netlib-java)
>
> I tried 2 ways:
> 1. via *--conf* parameter
> /bin/spark-submit -v  --class
> org.apache.spark.examples.mllib.LinearRegression *--conf
> "-Dcom.github.fommil.netlib.NativeSystemBLAS.natives=/usr/local/lib/libopenblas.so"*
> examples/target/scala-2.10/spark-examples-1.3.0-SNAPSHOT-hadoop1.0.4.jar
> data/mllib/sample_libsvm_data.txt/
>
> 2. via *--driver-java-options* parameter
> /bin/spark-submit -v *--driver-java-options
> "-Dcom.github.fommil.netlib.NativeSystemBLAS.natives=/usr/local/lib/libopenblas.so"*
> --class org.apache.spark.examples.mllib.LinearRegression
> examples/target/scala-2.10/spark-examples-1.3.0-SNAPSHOT-hadoop1.0.4.jar
> data/mllib/sample_libsvm_data.txt
> /
>
> How can I force spark-submit to propagate info about non-standard placement
> of openblas library to netlib-java lib?
>
> thanks, Tomas
>
>
>
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