Re: error when spark access hdfs with Kerberos enable

2014-07-08 Thread Cheney Sun
Hi Sandy, We are also going to grep data from a security enabled (with kerberos) HDFS in our Spark application. Per you answer, we have to switch Spark on YARN to achieve this. We plan to deploy a different Hadoop cluster(with YARN) only to run Spark. Is it necessary to deploy YARN with security

too many temporary app files left after app finished

2014-05-27 Thread Cheney Sun
Hi, We use spark 0.9.1 in standalone mode. We found lots of app temporary files didn't get removed in each worker local file system even while the job was finished. These folder have names such as app-20140516120842-0203. These files occupied so many disk storage that we have to run a deamon

Is there any problem on the spark mailing list?

2014-05-15 Thread Cheney Sun
I can't receive any spark-user mail since yesterday. Can you guys receive any new mail? -- Cheney -- View this message in context: http://apache-spark-user-list.1001560.n3.nabble.com/Is-there-any-problem-on-the-spark-mailing-list-tp5509.html Sent from the Apache Spark User List mailing list

Re: master attempted to re-register the worker and then took all workers as unregistered

2014-05-07 Thread Cheney Sun
Hi Nan, In worker's log, I see the following exception thrown when try to launch on executor. (The SPARK_HOME is wrongly specified on purpose, so there is no such file /usr/local/spark1/bin/compute-classpath.sh). After the exception was thrown several times, the worker was requested to kill the

Re: master attempted to re-register the worker and then took all workers as unregistered

2014-05-04 Thread Cheney Sun
Hi Nan, Have you found a way to fix the issue? Now I run into the same problem with version 0.9.1. Thanks, Cheney -- View this message in context: