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Debugging NodeJS Microservice with Shared Storage on Kubernetes

· 7 min read
Kobbi Gal
I like to pick things apart and see how they work inside

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Introduction

One of our largest customer recently had a problem loading a list of resources from our web application. The problem was a blocker for the customer and required to identify the problem and provide a workaround, if possible. I was assigned the task as I was the SME in this area (NodeJS microservices, infrastructure such as storage, microservice messaging and configuration).

Fixing Production Down caused by MongoDB Corruption and Heketi/GlusterFS Failed Provisioning

· 11 min read
Kobbi Gal
I like to pick things apart and see how they work inside

Introduction

Today I received an escalation from one of our largest and most strategic customers. Over the weekend, the customer had ‘patched’ their 3 Ubuntu 18.04 nodes running Kubernetes 1.17. They were using glusterfs as their shared storage class.