1. Hadoop mapreduce streaming from HBase stackoverflow.comI'm building a Hadoop (0.20.1) mapreduce job that uses HBase (0.20.1) as both the data source and data sink. I would like to write the job in Python which has required ... |
2. is this architecture possible in Hadoop MR? stackoverflow.comIs the following architecture possible in Hadoop MapReduce? A distributed key-value store is used (HBase). So along with values, there would be a timestamp associated with the values. Map & Reduce tasks ... |
3. How to pick random (small) data samples using Map/Reduce? stackoverflow.comI want to write a map/reduce job to select a number of random samples from a large dataset based on a row level condition. I want to minimize the number of ... |
4. Adjacency List structure in HBase stackoverflow.comI'm trying to implement the following graph reduction algorithm in
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5. Where can I find a HBase cascading module for hbase-0.89.20100924+28? stackoverflow.comI am working on a project using map reduce and HBase. We are using Cloudera’s CDH3 distribution which has hbase-0.89.20100924+28 bundled into it. I would like to use cascading as we have some ... |
6. HBase Mapreduce on multiple scan objects stackoverflow.comI am just trying to evaluate HBase for some of data analysis stuff we are doing. HBase would contain our event data. Key would be eventId + time. We want to ... |
7. MapReduce on Hbase using Thrift in .NET? stackoverflow.comCan i use Hadoop Streaming to Run MapReduce jobs on HBase using thrift in .NET? Or is there any other way to run MapReduce jobs on HBase from .NET? |
8. Does HBase MapReduce support a combiner stage? And if so, how? stackoverflow.comHadoop map reduce supports a combiner stage. However, I can't find a similar capability in the HBase MapReduce package. Does it exist? |
9. Writing to HBase in MapReduce using MultipleOutputs stackoverflow.comI currently have a MapReduce job that uses MultipleOutputs to send data to several HDFS locations. After that completes, I am using HBase client calls (outside of MR) to add ... |
10. How does HBase mapreduce job communicate with server? (newbie question) stackoverflow.comI am new to Hadoop and HBase and even though I've read allot, I still don't understand the basic hierarchy and workflow of map reduce job API. By what I understand, I ... |
11. HBase: how to unit test HBase Map/Reduce stackoverflow.comI want to unit test HBase reducer which I wrote in Java and my question is what is the best way to do it (best way = easy and fast)? I found ... |
12. Writing an Hbase Result object out to SequenceFile from Reducer stackoverflow.comI'm trying to output an Hbase |
13. Hadoop: implement interfaces from o.a.h.mapred, or extend classes from o.a.h.mapreduce? stackoverflow.comI'm learning Hadoop (0.20.205) and I'm a little bit confused. Which way is recommended:
A) Implement |
14. Passing the results of multiple sequential HBase queries to a Mapreduce job stackoverflow.comI have an HBase database that stores adjacency lists for a directed graph, with the edges in each direction stored in a pair of column families, where each row denotes a ... |