Have you seen this ? HADOOP-10988
Cheers On Thu, Feb 18, 2016 at 3:39 AM, James Hammerton <ja...@gluru.co> wrote: > HI, > > I am seeing warnings like this in the logs when I run Spark jobs: > > OpenJDK 64-Bit Server VM warning: You have loaded library > /root/ephemeral-hdfs/lib/native/libhadoop.so.1.0.0 which might have disabled > stack guard. The VM will try to fix the stack guard now. > It's highly recommended that you fix the library with 'execstack -c > <libfile>', or link it with '-z noexecstack'. > > > I used spark-ec2 to launch the cluster with the default AMI, Spark 1.5.2, > hadoop major version 2.4. I altered the jdk to be openjdk 8 as I'd written > some jobs in Java 8. The 6 workers nodes are m4.2xlarge and master is > m4.large. > > Could this contribute to any problems running the jobs? > > Regards, > > James >
