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Kubernetes: debugging with ephemeral containers

Kubernetes: debugging with ephemeral containers

Categories: Containers Orchestration, Tech Radar | Tags: Debug, Kubernetes

Anyone who has ever had to manipulate Kubernetes has found himself confronted with the resolution of pod errors. The methods provided for this purpose are efficient, and allow to overcome the mostā€¦

Pierre BERLAND

By Pierre BERLAND

Feb 7, 2023

Build your open source Big Data distribution with Hadoop, HBase, Spark, Hive & Zeppelin

Build your open source Big Data distribution with Hadoop, HBase, Spark, Hive & Zeppelin

Categories: Big Data, Infrastructure | Tags: Maven, Hadoop, HBase, Hive, Spark, Git, Release and features, TDP, Unit tests

The Hadoop ecosystem gave birth to many popular projects including HBase, Spark and Hive. While technologies like Kubernetes and S3 compatible object storages are growing in popularity, HDFS and YARNā€¦

Leo SCHOUKROUN

By Leo SCHOUKROUN

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Rebuilding HDP Hive: patch, test and build

Rebuilding HDP Hive: patch, test and build

Categories: Big Data, Infrastructure | Tags: Maven, Java, Hive, Git, GitHub, Release and features, TDP, Unit tests

The Hortonworks HDP distribution will soon be deprecated in favor of Clouderaā€™s CDP. One of our clients wanted a new Apache Hive feature backported into HDP 2.6.0. We thought it was a good opportunityā€¦

Leo SCHOUKROUN

By Leo SCHOUKROUN

Oct 6, 2020

Installing Hadoop from source: build, patch and run

Installing Hadoop from source: build, patch and run

Categories: Big Data, Infrastructure | Tags: Maven, Java, LXD, Hadoop, HDFS, Docker, TDP, Unit tests

Commercial Apache Hadoop distributions have come and gone. The two leaders, Cloudera and Hortonworks, have merged: HDP is no more and CDH is now CDP. MapR has been acquired by HP and IBM BigInsightsā€¦

Leo SCHOUKROUN

By Leo SCHOUKROUN

Aug 4, 2020

Expose a Rook-based Ceph cluster outside of Kubernetes

Expose a Rook-based Ceph cluster outside of Kubernetes

Categories: Containers Orchestration | Tags: Debug, Rook, Ceph, Docker, Kubernetes

We recently deployed a LXD based Hadoop cluster and we wanted to be able to apply size quotas on some filesystems (ie: service logs, user homes). Quota is a built in feature of the Linux kernel usedā€¦

Leo SCHOUKROUN

By Leo SCHOUKROUN

Apr 16, 2020

Install and debug Kubernetes inside LXD

Install and debug Kubernetes inside LXD

Categories: Containers Orchestration | Tags: Debug, Linux, LXD, Docker, Kubernetes, Node

We recently deployed a Kubernetes cluster with the need to maintain clusters isolation on our bare metal nodes across our infrastructure. We knew that Virtual Machines would provide the requiredā€¦

Leo SCHOUKROUN

By Leo SCHOUKROUN

Feb 4, 2020

Coffee script, how do I debug that damn js line?

Coffee script, how do I debug that damn js line?

Categories: Hack, Node.js | Tags: Debug, CoffeeScript, JavaScript, Node.js

Update April 12th, 2012: Pull request adding error reporting to CoffeeScript with line mapping Chances are that, if you code in CoffeeScript, you often find yourself facing a JavaScript exceptionā€¦

David WORMS

By David WORMS

Feb 15, 2012

Canada - Morocco - France

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