HBase is the Hadoop database. Use it when you need random, realtime read/write access to your Big Data. This project's goal is the hosting of very large tables -- billions of rows X millions of columns -- atop clusters of commodity hardware.

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Java process failure (hadoop, hbase)

Anytime I am running hadoop/hbase process from a command prompt I get an error: /usr/local/hadoop/bin/hadoop: line 320: /usr/lib/jvm/jdk1.7.0/bin/java: cannot execute binary file ...
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HBase issue with *some* regionservers connecting

I have an HBase cluster that is working, and I'm attempting to add some new servers to the cluster, but "SocketException: Invalid argument" and "FailedServerException: This server is in the failed ...
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Hbase block locality index is always 0

I have a Hbase (v 0.94.19 with Hadoop 1.2.1) setup with one master machine and two region servers. Each region server has 16 GB heap (6.4 GB cache, 4.0 GB memstore) and 1.6 TB (2 X 800 GB) SSD disk ...
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java.lang.NullPointerException When Doing A Read in HDFS

I have had a 10 node HBase cluster up and running for the past 4 months. The cluster was setup on VMs in a corporate environment which I do not control, but everything has been working great...until ...
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Hbase catalog tables custom location

I have a Hbase cluster running with 2 region servers, each hosting around 100 regions. I can see that the ROOT and META tables are automatically assigned to separate region servers. My system is read ...
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hadoop hbase environment variables

I tried to setup a 4 node Hadoop cluster using CDH4.7. The cluster is up and running fine and when I submit a word count MR job it completed successfully but when I am submitting an MR job to insert ...
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OpenTSDB Web interface showing nothing other than header and footer

NOTE: I moved the question from stackoverflow to serverfault as this question didn't attract attention. I have a temporary OpenTSDB and hbase hosted on a aws micro server. http://54.72.180.169:4242/ ...
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Cannot access data from hbase with amazone ec2

I have a single node Hadoop machine in which HBase is running in the Amazon EC2 instance. Due to some reason the server got restarted. So i need to start Hadoop and Hbase again. Then it's working ...
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Hbase table creation error

I'm new to Hbase. There there some errors in hbase table creation as follows: hbase(main):004:0> list 11/04/30 11:42:23 DEBUG client.HConnectionManager$TableServers: Cache hit for row <> ...