Could you the share the HUE / mapreduce log trace ?  also do you have Namenode HA configured ?  ... View more

are you still facing the issue ? could you let me know  ... View more

@BJ   1:-- Is it ok to persue CCA131 for unix administration - Yes , a little bit of Core Java Concepts could help you land smoothly because the hadoop logs are generated in java and python.    2:--I don't have any coding skills, does this matter in learning - When you want be Hadoop Administrator you dont need to be hard corder however a little bash scripting could help you with some tasks . Also something like chef ,puppet or Ansible .    3:-- how to prepare for exams, You can spin up quickly a Single Node cluster using QuickStartVm almost 80% of it you use it for preparation for your exam . Some books to read before exam- Hadoop Operations and Hadoop Definitive guide.    Hope this is suffice   ... View more

I am not sure which version of CDH version you runining but based on the documenation looks like you can use the yarn logs command in the mentioned version of CDH    https://archive.cloudera.com/cdh5/cdh/5/hadoop/hadoop-yarn/hadoop-yarn-site/YarnCommands.html   Try enabling this property in the server side configuration in cloudera manager. Client do not have access to this property in case if you had enabled in the client side . ... View more

Would you consider converting them to HAR file . Below is the reference for further reading https://cwiki.apache.org/confluence/display/Hive/LanguageManual+Archiving ... View more

Could you share the logs ?  fire the below command .    cdsw logs ... View more

Hi    Please do refer the below link and let me know if that is suffice .    https://github.com/cloudera/cm_ext/wiki/Building-a-parcel ... View more

You Welcome .    Are you runining Aspire on the rest of the nodes .  Whats that A stands for ?    I see HS2 hbase LB RM JHS , HBASE  and management services   Correct me if i am wrong .      ... View more

Try to do a ping to the host were Service monitor is deployed see if you have any packet loss , if so check with Network team. We had similar issue it was due to some network nic card problem.  ... View more

You have way too many roles on the first host .  I am not sure if that is the host that is exhausting from the cpu if so then try re-deploying some of the roles to other host .  ... View more

Sorry for asking too many questions i am trying to understand the situtation .   idealy speaking -1 should be suffice because it uses 40 % of the resource .      What does your kudu table look like    hash and range partitioning ? ENCODING Attribute ? BLOCK_SIZE ?       ... View more

whats the value on -block_manager_max_open_files    the default is -1  ... View more

could you let us  know how many tablet servers are being used currently and  also  the Kudu version  ... View more

is that single node or multi node cluster  that you had installed ?    sudo tarball_root/etc/init.d/cloudera-scm-server start sudo tarball_root/etc/init.d/cloudera-scm-agent start After getting into the Cloudera manager Web Ui You can start the roles on the HDFS instance like namenode datanode    if you deploying the cluster for POC or pratice .  Path A installation is quick and easy .  https://www.cloudera.com/documentation/enterprise/5-8-x/topics/cm_ig_install_path_a.html   ... View more

i am not seeing any screenshot that you had attached .  ... View more

@anbazhagan_muth   Refer the screen shot .  ... View more

client_cert_file - does it have pem file?  ... View more

Go to System->preference->sound below you see an Output Volume - if you have a check in the mute , uncheck it . it will be good.  Let me know if that helps.  ... View more

Looks like your namenode is in safe mode that means read only operation is supported  based on the logs been provided i could see the below    Name node is in safe mode. ... 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