Hello, I'm a learner & i would like to use the method you made mentioned here to collect logs in a remote server & send to Nifi. Please, can you put me through because i have been battling with how to build a msi before the real implementation. Thank you so much. ... View more

It is recommended to check if your cluster computing power is insufficient. Often, such errors occur when memory or CPU resources are insufficient. ... View more

Thanks @Shelton for your detailed answer! ... View more

Hi As per the link, https://zeppelin.apache.org/docs/0.8.0/usage/rest_api/interpreter.html#restart-an-interpreter   To restart zeppelin interpreter we need to know interpreter id , which we are unable to find .   https://zeppelin.apache.org/docs/0.8.0/usage/rest_api/interpreter.html#restart-an-interpreter   Also interpreter restart can only be done with admin user, hence that also needs to be passed via script.     Thanks ASIF. ... View more

Thank you but both version support java 8, no problem on this side. See : https://supportmatrix.hortonworks.com/   The main problems are the new HBase version with HDP 3.1.5 and the new Hive version with the addition of the Hive Warehouse Connector on HDP 3.1.5. ... View more

I recommend not using nifi and working with the console. Using nifi is not recommended because additional logs are generated. It is recommended to divide and compress the files that you want to move from the console into appropriate sizes and send them. For HDFS, you can use the distcp command.   https://hadoop.apache.org/docs/current/hadoop-distcp/DistCp.html   ... View more

In my experience, lack of computer resources was the biggest cause. It is always necessary to prepare disks and memory with sufficient space. ... View more

"jps" is the "ps" java version. Most Hadoop processes are developed as Java programs, and the command to view the Java process status is jps.   https://docs.oracle.com/javase/7/docs/technotes/tools/share/jps.html ... View more

While starting Hortonworks sandbox it gets stuck on "extracting and loading the hortonworks sandbox..." And after some times it shows the message of critical error or sometimes it says "your system has ran into an error we'll restart it" ... View more