operator-sdk
QuestDB
operator-sdk | QuestDB | |
---|---|---|
23 | 311 | |
7,013 | 13,501 | |
0.6% | 0.9% | |
8.0 | 9.7 | |
7 days ago | 3 days ago | |
Go | Java | |
Apache License 2.0 | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
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For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
operator-sdk
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Building a Kubernetes Operator with the Operator Framework
operator-sdk: brew install operator-sdk
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Annotations in Kubernetes Operator Design
The operator that I've been working on is designed to manage the full lifecycle of a QuestDB database instance, including version and hardware upgrades, config changes, backups, and (eventually) recovery from node failure. I used the Operator SDK and kubebuilder frameworks to provide scaffolding and API support.
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Hacking in kind (Kubernetes in Docker)
I've recently been working on an operator (built using the operator-sdk) that manages cluster node lifecycles. Kind allows you to spin up clusters with multiple nodes, using a Docker container per-node and joining them using a common Docker network. However, the kind executable does not allow you to modify an existing cluster by adding or removing a node.
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Creating Kubernetes Operators with operator-sdk
To illustrate what we can do with an operator, I will create a proof of concept using operator-sdk. According to the official website::
- What Is A Kubernetes Operator?
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Writing a Kubernetes Operator
Besides the frameworks TFA lists, you can also build Operators in Ansible or Helm.
https://sdk.operatorframework.io/
- Question: Resources to learn K8s operator programming
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Using k8s-apiserver as AAA server for microservices?
Operator SDK is basically just a thin wrapper for kube-builder
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What topics should I cover as DevOps in Golang after practice and learning syntax
You mean the Operator SDK? https://sdk.operatorframework.io
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Dont understand how I can watch external resources modification/deletion with my custom operator
yes I agree with youu, an issue has been opened on the operator-sdk github page regarding this topic https://github.com/operator-framework/operator-sdk/issues/6117
QuestDB
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How to Forecast Air Temperatures with AI + IoT Sensor Data
If your data lacks uniform time intervals between consecutive entries, QuestDB offers a solution by allowing you to sample your data. After that, MindsDB facilitates creating, training, and deploying your time-series models.
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Normalizing Grafana charts with window functions
If you're interested in that functionality or have any other feedback, please drop by our open source repository or community Slack and let us know.
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How to increase Grafana refresh rate frequency
QuestDB is a high-performance time series database with SQL analytics that can power through market data ingestion and analysis. It's open source and integrates well with the tools and languages you use. Check us out!
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Building a faster hash table for high performance SQL joins
Looks like full keys are always compared if hash codes test equal, which is what I'd expect. For example: https://github.com/questdb/questdb/blob/master/core/src/main...
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K3s Traefik Ingress - configured for your homelab!
But of course, I want to run a QuestDB instance on my node, which uses two additional TCP ports for Influx Line Protocol (ILP) and Pgwire communication with the database. So how can I expose these extra ports on my node and route traffic to the QuestDB container running inside of k3s?
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Annotations in Kubernetes Operator Design
In this post, I will detail a way in which I recently used annotations while writing an operator for my company's product, QuestDB. Hopefully this will give you an idea of how you can incorporate annotations into your own operators to harness their full potential.
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Is all data time-series data?
QuestDB is an open source, high performance time series database. With its massive ingestion throughput speeds and cost effective operation, QuestDB reduces infrastructure costs and helps you overcome tricky ingestion bottlenecks. Thanks for reading!
- questdb: NEW Data - star count:12960.0
What are some alternatives?
kubebuilder - Kubebuilder - SDK for building Kubernetes APIs using CRDs
TDengine - TDengine is an open source, high-performance, cloud native time-series database optimized for Internet of Things (IoT), Connected Cars, Industrial IoT and DevOps.
terraform-provider-kubernetes-alpha - A Terraform provider for Kubernetes that uses dynamic resource types and server-side apply. Supports all Kubernetes resources.
arctic - High performance datastore for time series and tick data
sample-controller-kubebuilder - This is Sample Controller(Foo Controller) developed by Kubebuilder
ClickHouse - ClickHouse® is a free analytics DBMS for big data
postgres-operator - Postgres operator creates and manages PostgreSQL clusters running in Kubernetes
SQLAlchemy - The Database Toolkit for Python
controller-runtime - Repo for the controller-runtime subproject of kubebuilder (sig-apimachinery)
VictoriaMetrics - VictoriaMetrics: fast, cost-effective monitoring solution and time series database
sandbox-operator - A Kubernetes operator for creating isolated environments
tsbs - Time Series Benchmark Suite, a tool for comparing and evaluating databases for time series data