cloudera_开发者

Using encryption with Hadoop

The Cloudera documentation says that Hadoop does not support on disk encryption.Would it be possible to use hardware encrypted hard drives wit开发者_StackOverflow社区h Hadoop?eCryptfs can be used to d[详细]

2023-04-10 20:32 分类：问答

Running java hadoop job on local/remote cluster

I\'m trying to run hadoop job on local/remote cluster. This job in future will be executed from web application. I\'m trying to execute this piece of code from eclipse:[详细]

2023-04-09 09:01 分类：问答

Connecting to Cloudera VM from my desktop

I downloaded the Cloudera VM on my Windows 7 laptop to play around.I am trying to connect to the Hadoop instance running in the VM from[详细]

2023-03-27 07:27 分类：问答

"Child Error" in Executing stream Job on multi node Hadoop cluster (cloudera distribution CDH3u0 Hadoop 0.20.2)

I am working on 8 node Hadoop cluster, and I am trying to execute a simple streaming Job with the specified configuration.[详细]

2023-03-20 06:01 分类：问答

How do you establish single node Hadoop instance on AWS using Apache Whirr?

I am attempting to run a single-node instance of Hadoop on Amazon Web Services using Apache Whirr. I set whirr.instance-te开发者_开发问答mplates equal to 1 jt+nn+dn+tt. The instance starts up fine. I[详细]

2023-03-12 15:53 分类：问答

Does Cloudera Mountable HDFS provide deduplicaion

Looking at running a HDFS based storage cluster, and looking at a simple method of using the Mountable HDFS system through the Cloudera release.[详细]

2023-03-12 01:38 分类：问答

HBase Error - assignment of -ROOT- failure

I\'ve just installed hadoop and hbase from cloudera (3) but when I try to go to http://localhost:60010 it just sits there continually loading.[详细]

2023-03-06 05:12 分类：问答

Hadoop: intermediate merge failed

I\'m running into a strange issue. When I run my Hadoop job over a large dataset (>1TB compressed text files), several of the reduce tasks fail, with stacktraces like these:[详细]

2023-02-22 15:14 分类：问答

Hadoop put command doing nothing!

I am running Cloudera\'s distribution of Hadoop and everything is working perfectly.The hdfs contains a large number of .seq files.I need to merge the contents of all the .seq files into one large .se[详细]

2023-02-16 13:28 分类：问答

Flume agent - can I specify compression like gzip or bz2?

Is it possible to specify a compression option on a Flume agent so that the data is transferred to the collector in a compressed format?I know there are compression options on the collector level, but[详细]

2023-02-13 07:44 分类：问答