Hdfs top users by actions
Sometimes it could be difficult to identifying the activities that are stressing your namenodes. Following is an article on how to have the top users by hdfs actions on your HDFS Cluster requesting the Namenode JMX Please follow and like us:
Namenode monitoring
When having trouble with your Big Data cluster, it could be interesting to automatically generate some monitoring for your namenode. Please follow and like us:
Hive ACID activation side effect
In this article, I will describe the impact of the Hive ACID activation on a running cluster HDP 2.6.4 Please follow and like us:
Adding custom metrics in Ambari Metrics
In this article I will show you how to add custom metrics in the Hortonworks Ambari Metrics for following Zookeeper health with Grafana. Please follow and like us:
Zookeeper 4 letters words admin commands
In this article we will discover Zookeeper 4 letters commands to help us to monitor Zookeper Please follow and like us:
Installing Hadoop, Yarn and HBase on your Linux in 10 minutes
This is a howto for installing Hadoop (hdfs and MapReduce), Yarn and HBase on your Linux box in 10 minutes (after the binary download). Please follow and like us:
BigData – My BigDataApi
I have updated my python Api for managing Hortonworks Ambari and Ranger with their API. Please follow and like us:
Ansible – become_user and include_tasks modification since 2.5
There is a modification since Ansible 2.5 with the way that include_tasks works with become_user Please follow and like us:
PostgreSql – PostgreSql 11 is out
PostgreSQL 11 Released! One year after the PostgreSql 10. Read more here Please follow and like us:
Ansible – Python 2.6 support ends with Ansible 2.7
As announced with Ansible 2.7, python 2.6 will not more supported on the controller host Please follow and like us:
