QuestDB
studio
QuestDB | studio | |
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311 | 35 | |
13,475 | 1,692 | |
0.7% | - | |
9.7 | 9.8 | |
8 days ago | about 2 months ago | |
Java | TypeScript | |
Apache License 2.0 | Mozilla Public License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
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.
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
studio
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ROS 2 Iron Irwini Release
> Especially a tool like RViz is always missing. And in many many robotics video I see (of a moderately complex robot), there's ROS's RViz on some screen.
I would love the future robotics development stack to be more modular, so that (for example) future middleware solutions don't need to also bundle their own visualization software. This was direct inspiration for creating Foxglove Studio[0] for visualization and MCAP[1] for logging - both work great with ROS, or equally well without it.
[0] https://github.com/foxglove/studio
[1] https://github.com/foxglove/mcap
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Generic eCAL / Foxglove Communication Bridge
That's the true strength of combining existing open source solutions. Thanks for the great support of Foxglove Inc. over the past few years.
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Ask HN: Who is hiring? (March 2023)
Foxglove | Remote (US time zones) | Full Time or Contract | https://foxglove.dev/
Foxglove is the leading observability platform for robotics developers. We help robotics and AV companies log, ingest, organize, and visualize multimodal data. Join our small, highly experienced, and fast moving team. Prior experience working in robotics or AV is a bonus but not necessary.
* Senior Frontend Engineer (TypeScript, React, bonus if you have WebGL experience)
* Senior Full Stack Engineer (TypeScript, Go)
* Senior SRE/Infrastructure/DevOps Engineer (GCP, AWS, Azure, Terraform, K8s)
https://foxglove.dev/careers
Email in profile if you have questions.
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Sniper robot treats 500k plants per hour with 95% less chemicals
It's a common misconception that you need a ML or robotics PhD to work in the field. There are plenty of frontend & backend web engineering, data engineering, and infrastructure/devops roles available at robotics companies - you don't need to be a domain expert.
For example, at Foxglove[0] we are building open source web-based visualization and data management for robotics (shameless plug: currently hiring).
[0] https://foxglove.dev/
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Understanding a Small ROS bag file
You can use the rosbag commandline-tool to figure out all of this: http://wiki.ros.org/rosbag/Commandline rosbag info for example can give you some of the type/number of messages information. For more complex stuff, you could use https://foxglove.dev/ to visualize and inspect rosbags
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Ask HN: What interesting problems are you working on? ( 2022 Edition)
Web-based data visualization for robotics and self-driving. Robotics is such an interesting industry, and we're only scratching the surface of what new tools are needed.
Try it live here (hit "view sample data"): https://studio.foxglove.dev/
And it's open source! https://github.com/foxglove/studio
Shameless plug - we're hiring: https://foxglove.dev/careers
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Recording your JSON data to MCAP, a file format that support multiple serialization formats
When our team at Foxglove announced MCAP, we wanted to empower teams to spend less time building commodity tools and more time tackling their hardest robotics challenges.
- Brainstorming ideas for a cloud/web based control system for construction robotics
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Ask HN: Who is hiring? (June 2022)
Foxglove | Remote (Americas/Oceania) | Full Time or Contract | https://foxglove.dev/
Dev tools for robotics and autonomous vehicles.
Robotics will have a massive positive impact on the world economy and global human productivity over the coming decade. At Foxglove, we're building powerful web-based open source & commercial tools to accelerate this trend.
We're a small, highly experienced, and fast moving team. We're looking to hire several more people (most roles don't require previous robotics experience, unless specified below):
- Senior Frontend Engineer (react, typescript, some webgl+wasm)
- Senior Full Stack Engineer (typescript, some golang)
- First Product Manager (robotics/AV experience required)
- First Account Executive (infrastructure SaaS experience required)
https://foxglove.dev/
https://foxglove.dev/careers
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Ask HN: Can you share websites that are pushing the utility of browsers forward?
React + Typescript. Forgot to mention it’s open source so you can see for yourself:
https://github.com/foxglove/studio
What are some alternatives?
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.
webviz - web-based visualization libraries
arctic - High performance datastore for time series and tick data
Grafana - The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.
ClickHouse - ClickHouse® is a free analytics DBMS for big data
TimescaleDB - An open-source time-series SQL database optimized for fast ingest and complex queries. Packaged as a PostgreSQL extension.
SQLAlchemy - The Database Toolkit for Python
PostHog - 🦔 PostHog provides open-source product analytics, session recording, feature flagging and A/B testing that you can self-host.
VictoriaMetrics - VictoriaMetrics: fast, cost-effective monitoring solution and time series database
cli - Official Command Line Interface for the IPinfo API (IP geolocation and other types of IP data)
tsbs - Time Series Benchmark Suite, a tool for comparing and evaluating databases for time series data
jamstack.org - The official Jamstack site