Apache Hadoop is a framework that allows for the distributed processing of large data sets across clusters of computers. It is designed to scale up from single servers to thousands of machines. The library itself is designed to detect and handle failures at the application layer, so delivering a ...

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Options for copying data out of continuously updating tables

I work with a pretty large (O(10^1) TB) DB2 (LUW, v. 9.7) database. It's got data coming in on a continuous basis via Golden Gate replication from another DB2 database. It's used for business ...
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35 views

Exporting an HBase table which is larger than the available HDFS space?

I have a 1TB hbase table which I need to export. Unfortunately I only have 600GB free in HDFS, so I was hoping to export it to a mounted file share. I've learned that the hbase export can only export ...
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7 views

incremental update in HBase using sqoop

i am working on a POC where i need to implement same like SSIS for sql to hadoop. out DW are in SQL Server and we want to create a HBase at central location where all the data from diff DW will be ...
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73 views

Can we query Accumulo data from Apache Drill

Accumulo uses HDFS where as HBase also works on top of HDFS. We can query HBase data through Drill. So can we query Accumulo data also from Apache Drill ?
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109 views

Alternatives for storing 365TB of info

I need to upload daily CSV dumps to a blackbox of my choice, and it should be possible to run queries or create filters over the uploaded data. Daily dumps weight around 1TB and are basically id, ...
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360 views

Enabling JMX For Hadoop HDFS & Also MapReduce

I'm having a hard time figuring out how to enable JMX to submit metrics for HDFS and MapReduce jobs in Hadoop (CDH4). I've seen several links and read through 'The Definitive Guide' and 'Hadoop ...
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sqoop dir not found in hortronworks virtualbox

when trying to copy sqljdbc driver to /usr/lib/sqoop/lib it gives error cannot create regular file 'usr/lib/sqoop/lib/' No such File or Directory exist any idea what is missing? downloaded ...
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25 views

Can we swap out SQL Server with HBase on our .Net application?

In a current application we use SQL Server. The data flow consists of using TVPs for better-than-bulk-insert performance by passing in DataTables. As part of the data addition process, old records ...
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23 views

Should I install hadoop on a single node

I just bought a desktop computer with 16GB RAM and 1TB drive, i7-quad core. I will be partitioning off 800GB for Ubuntu so I can do some data science type tasks. Is there any advantage to installing ...