I believe the below link will give you an idea of what you can get out from express and enterprise edition .    Apart from the below link i think you wont be able to perform rollback of the configuration changes , cloudera navigator , disk management ,rolling upgrade etc .    Let me know if this suffice .    http://www.cloudera.com/documentation/manager/5-1-x/Cloudera-Manager-Installation-Guide/cm5ig_feature_differences.html ... View more

if you just want to load the image in the hive table not process fruther  use binary data type , but to view or process you need to have like some java code to convert that into binary data before you load in to hive table.    Something like  Create table imageTable(id int , picture binary); Load statement - point to the image location .. could be either managed or external table ... View more

are you using beeline client tool ?  did you try increasing heap on  the below property    HADOOP_CLIENT_OPTS     just curious to know below following  what file format are you using ?  is there any compression ?  is table stats being collected ?  is table being partitioned or buckted ?  ... View more

You can perform the below without stopping the namenode .   hdfs dfsadmin -fetchImage Moreover its good to have HA configured to avoid single point of failure. I will provide a good link that talks more about the metadata Backup ,its really good blog. http://vijayjt.blogspot.in/2013/02/hdfs-file-system-metadata-backup.html ... View more

Hey is your Hue ini looks good with Hive configuration ? ... View more

@Annkaa My bad lost in the thread , couldnt respond to you quickly . Looks like there is no metastore URI being provided in the ini file or the URI is wrong  .  Based on the exception .  Caused by: MetaException(message:Could not connect to meta store using any of the URIs provided. Most recent failure: org.apache.thrift.transport.TTransportException: java.net.ConnectException: Connection refused at org.apache.thrift.transport.TSocket.open(TSocket.java:226) at org.apache.hadoop.hive.metastore.HiveMe Let me know if that helps  ... View more

Its best to understand the database system  interms of how many  connections can be made because the degree of parallelism depends on it that is the number of mappers also the number of cores , processor in the slave ,data block size ,  size of the data and its schema structure  before hitting the production . Its always go to start with sample load of data with lower number of mappers ,the time it takes to complete  and gradually increase or adjust accordingly .   ... View more

try using cloudera / cloudera for both username / password. let me know if that helps ... View more