When to use Hadoop, HBase, Hive and Pig?
What are the benefits of using either Hadoop or HBase or Hive ? From my understanding, HBase avoids using map-reduce and has a … Read more
hadoop
Apache Spark: The number of cores vs. the number of executors
I’m trying to understand the relationship of the number of cores and the number of executors when running a Spark job on YARN. … Read more
Difference between Pig and Hive? Why have both? [closed]
Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be … Read more
Hadoop “Unable to load native-hadoop library for your platform” warning
I’m currently configuring hadoop on a server running CentOs. When I run start-dfs.sh or stop-dfs.sh, I get the following error: WARN util.NativeCodeLoader: Unable … Read more
Hadoop “Unable to load native-hadoop library for your platform” warning
I assume you’re running Hadoop on 64bit CentOS. The reason you saw that warning is the native Hadoop library $HADOOP_HOME/lib/native/libhadoop.so.1.0.0 was actually compiled on 32 … Read more