I have recently migrated a self-hosted MySQL from an EC2 instance to another using AMI copy and restore. and I have seen this error on the newly launched EC2 instance. Coming from a no-DBA background, I spent a day finding the root cause of this I am putting it here[...]
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In this article let us learn how to parse through the HTTP post payload in Nginx Openresty with LUA language OpenResty is an nginx distribution which includes the LuaJIT (Just in Time) interpreter for supporting Lua scripts. this LUA script helps you extend your regular NGINX with custom functionalities and features[...]
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NGINX has become a standard for reverse proxy implementation, At least 20% of the internet is powered by NGINX webserver as the stats suggest I presume you all know what is a reverse proxy and forward proxy and how it works. Let us move on to the objective of this[...]
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In this article let us see how to reprocess messages which are stuck in SQS Dead Letter Queue At times, Even if your messages are valid, due to Lambda Concurrency or other issues your message lands in Dead Letter Queue While there are a few ways to reprocess messages in[...]
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Serverless, as the name suggests takes the hosting and complex infrastructure elements away and helps developers and programmers to deploy their code to Production. All the underlying infrastructure, availability, and scaling would be taken care of by the service provider. For Cloud Functions its Google, ForLambda its AWS so on[...]
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In Kubernetes, Evicted or Failed Pods are not cleared until the sum of total terminated pods reaches a certain number This numeric value is by default set at 12500 on standard Kubernetes including managed services like EKS, AKS, GCP etc and it is set at the Control Plane level as[...]
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Managed Kubernetes such as AWS EKS come with their own limitations. One such limitation is how many PODs a Worker node can have based on the type of EC2 instance For example, t3.medium can have only 17 pods t3.large can have 35 pods These limitations are there for operational reasons.[...]
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This short article lets us see how to apply pending modifications to AWS RDS. Sometimes when we modify the RDS database instance for reasons such as Changing the Instance type Changing Parameter Group Scale up the Disk Size allocated and the maximum disk Size Upgrading the DB Version (major/minor) Or[...]
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In this article let us explore the reasons why we need POD in Kubernetes and why cannot we deploy the container directly to Kubernetes. Before we start with our reasoning, Let us refresh our memory with what is POD POD ( as in a pod of whales or a pod[...]
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Kubernetes Node Usage or KubeNodeUsage is a CLI tool to get the Memory, CPU and Disk Usage of Kubernetes Nodes it is designed in Python and relies on the kubectl installed in your local. No Authentication data are directly handled. You can think of Kube-Node-Usage as a wrapper over kubectl get nodes command Kube-Node-Usage simply execute the kubectl get[...]
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