I\'d like to know how to password protect the Hadoop Web UIs running on ports 50030,开发者_Go百科 50070, etc. I believe the best is to just shut the ports in the firewall and let the users connect wit
I\'ve been attempting to write an XML parser to read through a Wikipedia XML dump (the english language, current revisions only, about 6.2Gb bzipped) and have been using the Scala 2.8.1 pull parser.It
We\'re about to buy new hardware to run our analyses and are wondering if we\'re making the right decisions.
Suppose that a couple hundred Gigs after starting to use HIVE I want to add a column. From the various articles & pages I hav开发者_如何学编程e seen, I cannot understand the consequences in terms
If I copy data from local system to HDFS, сan I be sure that it is distributed evenly across the nodes?
I\'m trying to run the Nutch crawler in a way that I can access all its functionality through one JAR file that contains all its dependencies.
I have a use case to 开发者_Go百科upload some tera-bytes of text files as sequences files on HDFS.
I\'m looking for a way to calculate \"global\" or \"relative\" values during a MapReduce process - an average, sum, top etc. Say I have a list of workers, with their IDs associated with their salaries
So my MR Job generates a report file, and that file needs to be able to be downloaded by an end-user who needs to click a button on a normal web reporting interface, and have it download the output. A
Is it possible to parallelize SVD computing, using for example Hadoop\'s MAP REDUCE?开发者_StackOverflow社区
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