Hi,   I need to retrieve only the last entry in a given partition if there are multiple entries therein   Assume I create an external table partitioned by date: create external table test_lb (field1 string, field2 string, field3 string)   partitioned by (year string, month string , day string, host string)   row format delimited fields terminated by ',' Then I insert multiple records to same partition. i,e. same year,month,day insert into test_lb partition (year="2013", month="07", day="28") values ("foo1", "FOO2", "FOO3"); insert into test_lb partition (year="2013", month="07", day="28") values ("foo4", "FOO5", "FOO6");   How do I retrieve just the most recent entry via a query... is there an inbuilt way to get only the latest values ... View more

Hi I am trying to install cloudera manger on RHEL 7   I keept getting this error.   I have tried local repository and I get same thing   oracle-j2sdk1.8 installation failed. See /var/log/cloudera-manager-installer/1.install-oracle-j2sdk1.8.log for details. Click OK to revert this installation.   Error from Log: ---------------------- Loaded plugins: langpacks, product-id, search-disabled-repos, subscription- : manager Resolving Dependencies --> Running transaction check ---> Package oracle-j2sdk1.8.x86_64 0:1.8.0+update141-1 will be installed --> Finished Dependency Resolution Dependencies Resolved ================================================================================ Package Arch Version Repository Size ================================================================================ Installing: oracle-j2sdk1.8 x86_64 1.8.0+update141-1 cloudera-manager 176 M Transaction Summary ================================================================================ Install 1 Package Total download size: 176 M Installed size: 359 M Downloading packages: No Presto metadata available for cloudera-manager https://archive.cloudera.com/cm6/6.1.0/redhat7/yum/RPMS/x86_64/oracle-j2sdk1.8-1.8.0%2Bupdate141-1.x86_64.rpm: [Errno 14] curl#56 - "SSL received a record with an incorrect Message Authentication Code." Trying other mirror. Error downloading packages: oracle-j2sdk1.8-1.8.0+update141-1.x86_64: [Errno 256] No more mirrors to try. ... View more

I got this error while trying to install Cloudera manager on my Rhel7 workstation   Loaded plugins: langpacks, product-id, search-disabled-repos, subscription- : manager Resolving Dependencies --> Running transaction check ---> Package oracle-j2sdk1.8.x86_64 0:1.8.0+update141-1 will be installed --> Finished Dependency Resolution Dependencies Resolved ================================================================================ Package Arch Version Repository Size ================================================================================ Installing: oracle-j2sdk1.8 x86_64 1.8.0+update141-1 cloudera-manager 176 M Transaction Summary ================================================================================ Install 1 Package Total download size: 176 M Installed size: 359 M Downloading packages: No Presto metadata available for cloudera-manager [Errno 14] curl#56 - "SSL received a record with an incorrect Message Authentication Code." Trying other mirror.   ... View more

Hi, I recently started learning Hadoop/Cloudera.   I have successfully installed single node Cloudera Manager on my test Linux workstation   I am looking for the best or suggested IDEs for creating projects to run jobs on my Hadoop fs using Scala, Java, Python etc.   Any how-to docs will be greately appreciated   Regards All ... View more

Hi,   I am new to cloudera-hadoop.   I am trying to install Cloudera Manager on a single Linux box.   is this possible, if so, please point me to directions/how-to docs   I have been trying to do the pseudo-distributed install following instructions but I always got stuck at some point or the other.   since Cloudera Manager install all required services, figured might be better to try that   Regards all ... View more