Top "Cloudera" questions

Cloudera Inc.

Cloudera Manager fails to add hosts

I've followed the installation procedure from here and when I reach the Inspect Role Assignments stage I only see one …

cloud cloudera
Setting fs.default.name in core-site.xml Sets HDFS to Safemode

I installed the Cloudera CDH4 distribution on a single machine in pseudo-distributed mode and successfully tested that it was working …

hadoop hdfs cloudera
error:140770FC:SSL routines:SSL23_GET_SERVER_HELLO:unknown protocol

I'm currently trying to test the implemented changes for achieving security with Encrypted Shuffle in Cloudera Hadoop Environment. I've created …

java ssl hadoop openssl cloudera
Cannot initialize Cluster. Please check your configuration for mapreduce.framework.name and the correspond server addresses-submiting job2remoteClustr

I recently upgraded my cluster from Apache Hadoop1.0 to CDH4.4.0. I have a weblogic server in another machine from where …

hadoop mapreduce cloudera
Where are the hadoop-examples* and hadoop-test* jars in Cloudera CDH?

I am looking for the jar files to be able to run the hadoop jobs associated with the examples and …

hadoop mapreduce cloudera
hadoop user file permissions

i have a problem in setting hadoop file permissions in hortonworks and cloudera. My requirement is: 1. create a new user …

hadoop permissions hdfs cloudera hortonworks-data-platform
Impala can't access all hive table

I try to query hbase data through hive (I'm using cloudera). I did a fiew hive external table pointing to …

hadoop hive cloudera hue impala
Change Hive Database location

Is there a way to alter the location that a database points to? I tried the following ways: alter database &…

hadoop hive hdfs cloudera
Namenode HA (UnknownHostException: nameservice1)

We enable Namenode High Availability through Cloudera Manager, using Cloudera Manager >> HDFS >> Action > Enable High …

hadoop hdfs cloudera cloudera-manager cloudera-cdh
Usecases for mapred.job.queue.name

What are the real world use cases on using map reduce job queues i.e. the value of mapred.job.…

hadoop mapreduce cloudera hortonworks-data-platform