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I have a use case where I want to upload big gzipped text data files (~ 60 GB) on HDFS. My code below is taking about 2 hours to upload these files in chunks of 500 MB. Following is the pseudo code.
Trying to install hbase, but the word on the street is that if I don\'t use a hadoop from the 20-append branch, I\'ll lose data.This tutorial says that it will work with 90.2, but doesn\'t discuss 9开
I used to think that Hive was just a SQL-like programming language used to make writing MapReduce-type jobs easier (i.e., a SQL-like version of Pig/Pig Latin). I\'m reading more about it now, though,
I am considering various tec开发者_运维问答hnologies for data warehousing and business intelligence, and have come upon this radical tool called Hadoop. Hadoop doesn\'t seem to be exactly built for BI
How can I do sub-selections in Hive? I think I might be making a really obvious mistake that\'s not so obvious to me...
I have开发者_StackOverflow中文版 bunch of zip files of CSVs, that I want to create Hive table from. I\'m trying to figure out what\'s the best way to do so.
I am studying to use Apache Mahout, and get the following message after running one of its example: Exception in thread \"main\" org.apache.hadoop.mapreduce.lib.input.InvalidInputException: Input pat
If开发者_如何学C a data block is replicated, in which data node will it be replicated to? Is there any tool to show where the replicated blocks are present? If you know the filename, you can look this
Basically whole question is in the title. I\'m wondering if it\'s possible to append to file located on HDFS from multiple computers simultaneously? Something like storing stream of events constantly
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