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OpenTSDB Meta Cache – trade-offs for performance
  • 16 Jan 2020

Data is at the core of everything we do at G-Research, and metrics are no different. We’ve been running a reasonably sized OpenTSDB installation for 4 years now, and are putting metrics from applications, systems and processes in it at a fair rate (currently about 11 billion points a day). We’ve scaled our cluster over […]

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Deep dives in debugging: when it really isn’t your fault
  • 07 Jan 2020

An oft-repeated maxim in programming is "if you think it's a compiler bug, it's not a compiler bug".

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Bringing IT into balance
  • 28 Nov 2019

The latest blog in our series from G-Research's CTO, Chris Goddard.

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Tips that make my Ansible playbooks better
  • 17 Oct 2019

I have been using Ansible for two years now, and feel that I am about half way in my mastery.

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Talking about how we talk about G-Research
  • 28 Jul 2019

When Mel Conway first penned his now-famous paper, he figured he was on to something.

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HDFS troubleshooting – what causes a storage type to be blocked?
  • 04 May 2019

Over the last two years, G-Research has embraced Opensource technologies like Hadoop and Spark.

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Diagnosing Ranger KMS Hangs
  • 30 Apr 2019

The Big Data Platform Engineering team provides customers with reliable and secure Big Data platforms.

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Hadoop YARN cgroup stability issues
  • 28 Jan 2019

Control Groups (cgroups) is a Linux mechanism to isolate tasks and control resource access and usage.

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The expansion of Linux platforms & Opensource technologies at G-Research
  • 30 Nov 2018

Approximately two years ago we embarked on the next phase of an already successful journey.

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HDFS NameNode Performance Diagnostics
  • 27 Nov 2018

Hadoop Distributed File System (HDFS) is a key component of G-Research's Big Data platform.

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