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Hdfs top users by actions

BigData Hadoop Hortonworks Non classé
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

By Eric Deleforterie 29 June 2020 1
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Namenode monitoring

BigData Hadoop Hortonworks
Namenode monitoring

When having trouble with your Big Data cluster, it could be interesting to automatically generate some monitoring for your namenode.

By Eric Deleforterie 19 June 2020 0
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Hive ACID activation side effect

BigData Hive
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  

By Eric Deleforterie 10 August 2019 0
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Adding custom metrics in Ambari Metrics

Ambari Ambari Metrics BigData HBase Hortonworks Linux Python Zookeeper
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.

By Eric Deleforterie 10 March 2019 0
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Zookeeper 4 letters words admin commands

BigData Zookeeper
Zookeeper 4 letters words admin commands

In this article we will discover Zookeeper 4 letters commands to help us to monitor Zookeper

By Eric Deleforterie 10 March 2019 1
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Installing Hadoop, Yarn and HBase on your Linux in 10 minutes

BigData Hadoop HBase Yarn
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).

By Eric Deleforterie 1 March 2019 0
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BigData – My BigDataApi

BigData Hadoop Hortonworks Python Ranger
BigData – My BigDataApi

I have updated my python Api for managing Hortonworks Ambari and Ranger with their API.

By Eric Deleforterie 31 December 2018 0
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Ansible – become_user and include_tasks modification since 2.5

Ansible
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

By Eric Deleforterie 21 October 2018 4
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PostgreSql – PostgreSql 11 is out

Postgresql Sgbd
PostgreSql – PostgreSql 11 is out

PostgreSQL 11 Released! One year after the PostgreSql 10. Read more here

By Eric Deleforterie 21 October 2018 0
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Ansible – Python 2.6 support ends with Ansible 2.7

Ansible Python
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

By Eric Deleforterie 21 October 2018 0
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  • Hdfs top users by actions
  • Namenode monitoring
  • Hive ACID activation side effect
  • Adding custom metrics in Ambari Metrics
  • Zookeeper 4 letters words admin commands

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