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cluster:121 [2013/09/11 14:15] hmeij |
cluster:121 [2013/09/16 15:09] (current) hmeij |
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==== Hadoop Summary ==== | ==== Hadoop Summary ==== | ||
- | Our production Hadoop | + | Our production Hadoop |
- | * namenode (that is login node) is whitetail.wesleyan.edu | + | * namenode (that is login node): whitetail.wesleyan.edu |
- | * whitetail also runs the Hadoop | + | * whitetail also runs the Hadoop |
+ | * [[http:// | ||
+ | * [[http:// | ||
* ssh to it directly or from any of our other tails | * ssh to it directly or from any of our other tails | ||
* resources: access to 600 GB of memory and 1.75 TB of Hadoop' | * resources: access to 600 GB of memory and 1.75 TB of Hadoop' | ||
- | | + | |
- | * Health Status [[http:// | + | |
- | * Job Tracker [[http:// | + | |
+ | * HDFS is not backed up! | ||
+ | * You must request a writable work area / | ||
+ | * Be sure to down load your results to / | ||
+ | * Data to be shared (dictionaries, | ||
+ | * request such items to be posted there | ||
+ | * Basic tools (request other tools to be installed) | ||
+ | * shell scripting | ||
+ | * python | ||
+ | * perl (Hadoop:: | ||
+ | * java (both Oracle in /usr/java and openJDK) | ||
+ | * R+RHadoop (rmr2, rhdfs, rhbase) | ||
+ | * Hbase (noSQL database) | ||
+ | * [[http:// | ||
+ | * [[http:// | ||
+ | * MySQL | ||
+ | * request a database to be set up for you (limited space) | ||
+ | |||
+ | * Note: the permissions are bit weird in HDFS but I think it is sorted out. | ||
+ | * If this turns into a problem we'll let everybody run as user hdfs ... | ||
+ | * Note: some http links will not work because they point to the private network | ||
+ | * If you wish to view them launch firefox from whitetail ... | ||
Other useful pages | Other useful pages | ||
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* [[cluster: | * [[cluster: | ||
+ | \\ | ||
+ | **[[cluster: |