Creating a New HDFS User
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- Benchmarking and Stress Testing a Hadoop Cluster
- Teragen & Terasort on HDP (the argument is how many lines of 100 bytes you want - 10,000,000,000 would net you 1TB of data)
- HDP 1.3.2 (correctly identified that 100000000 would give you 10GB)
- HDP 2.0.9.0 (incorrectly identifies that 10000 would give you 10GB, but that is really only 1MB)
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- Script to iterate down a dir tree and copy everything into HDFS; http://one-line-it.blogspot.com/2013/05/hadoop-copy-directly-to-hdfs-from.html
- How to set the number of mappers and reducers of Hadoop in command line
- Details on HDFS Balancer command; http://www.swiss-scalability.com/2013/08/hadoop-hdfs-balancer-explained.html
- Oracle JDK 7 Archive Download Page
- SAP HANA and HDP Integration; http://hortonworks.com/wp-content/uploads/2013/09/Demo-Tutorial-Leveraging_SAP_HANA__HDP_Jan_2014.pdf
Random Notes
dfs.datanode.max.transfer.threads - default is 1024, but bump to >= 4096 or >= 16K for HBase