opentelemetry-specification
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opentelemetry-specification
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OpenTelemetry Journey #00 - Introduction to OpenTelemetry
It means that the OpenTelemetry project provides not only a specification to define the contract between the applications, collectors, and telemetry databases, but also a set of APIs, SDKs, and tools like instrumentation libraries (for different languages), collectors, operators, etc. OpenTelemetry is open-source and vendor-agnostic, so the project is not tied to any specific vendor or cloud provider.
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Migrating to OpenTelemetry
Sure, happy to provide more specifics!
Our main issue was the lack of a synchronous gauge. The officially supported asynchronous API of registering a callback function to report a gauge metric is very different from how we were doing things before, and would have required lots of refactoring of our code. Instead, we wrote a wrapper that exposes a synchronous-like API: https://gist.github.com/yolken-airplane/027867b753840f7d15d6....
It seems like this is a common feature request across many of the SDKs, and it's in the process of being fixed in some of them (https://github.com/open-telemetry/opentelemetry-specificatio...)? I'm not sure what the plans are for the golang SDK specifically.
Another, more minor issue, is the lack of support for "constant" attributes that are applied to all metrics. We use these to identify the app, among other use cases, so we added wrappers around the various "Add", "Record", "Observe", etc. calls that automatically add these. (It's totally possible that this is supported and I missed it, in which case please let me know!).
Overall, the SDK was generally well-written and well-documented, we just needed some extra work to make the interfaces more similar to the ones were were using before.
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OpenTelemetry Exporters - Types and Configuration Steps
OpenTelemetry is an open-source collection of tools, APIs, and SDKs that aims to standardize the way we generate and collect telemetry data. It follows a specification-driven development. The OpenTelemetry specification has design and implementation guidelines for how the instrumentation libraries should be implemented. In addition, it provides client libraries in all the major programming languages that follow the specification.
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OpenTelemetry in 2023
Two problems with OpenTelemetry:
1. It doesn't know what the hell it is. Is it a semantic standard? Is a protocol? It is a facade? What layer of abstraction does it provide? Answer: All of the above! All the things! All the layers!
2. No one from OpenTelemetry has actually tried instrumenting a library. And if they have, they haven't the first suggestion on how instrumenters should actually use metrics, traces, and logs. Do you write to all three? To one? I asked this question two years ago, not a single response. [1]
[1] https://github.com/open-telemetry/opentelemetry-specificatio...
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Tracetest Analyzer: Identify patterns and issues with code instrumentation
OpenTelemetry Specification GitHub
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OpenTelemetry vs. OpenMetrics: Which semantic convention should you use?
One update to this: we proposed replacing the count suffix in OpenTelemetry with total to match Prometheus/OpenMetrics. That discussion resulted in the count suffix being removed from the OpenTelemetry semantic conventions. We'll soon update our metric from being called function.calls.count to just function.calls and the generated Prometheus queries will refer to function_calls_total. That resolves one of the main conflicts between the two specs.
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OpenTelemetry Logs status?
This is your best bet if you want to track status updates: https://github.com/open-telemetry/opentelemetry-specification/issues/2911
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Distributed Tracing with OpenTelemetry - Part I
OpenTelemetry is a standard for implementing telemetry in your applications. It provides a specification, containing the requirements that all implementations should follow as well as some implementations for major languages, including an API and a SDK to interact with it.
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Observability - ApostropheCMS, OpenTelemetry, and New Relic
At this point, we are about to do the real work where we have to configure OpenTelemetry and export telemetry data to New Relic. Exporting this kind of data relies on a specific protocol; the OpenTelemetry Protocol or OTLP.
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OpenTelemetry Logs - A Complete Introduction & Implementation
OpenTelemetry provides instrumentation libraries for your application. The development of these libraries is guided by the OpenTelemetry specification. The OpenTelemetry specification describes the cross-language requirements and design expectations for all OpenTelemetry implementations in various programming languages.
Hangfire
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Deno Cron
Unpopular opinion incoming... What I see is yet another way that the backend JS world is finally achieving something .NET had years ago[0].
Node/Deno/Bun/etc. + npm sounds super straightforward at first glance (and it is at first). But I've thought for years that it's far easier to be productive as an organization on .NET in Visual Studio, since it's simpler to design, deliver, and maintain infrastructure.
[0] https://www.hangfire.io/
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Boosting Productivity with HangFire: Streamlining Background Job Processing
you can read about it here HangFire Documentation
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How do you save a file at the end of the day within a function that is only called at certain times?
I mostly work in .NET, and typically use Hangfire, but all languages has similar frameworks
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What can I use as a simple message bus with persistence in .NET?
Its hard to tell what tool would be a best fit without more information, but I would suggest looking at Hangfire for background job processing: https://www.hangfire.io/
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Event Bus + Job APIs
You might want to look at https://www.hangfire.io/. Their docs explain how to set up queues: https://docs.hangfire.io/en/latest/background-processing/configuring-queues.html
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Background Job Scheduling in .NET using Hangfire
In this article we looked at how to use Hangfire to schedule background jobs in ASP.NET according to our requirements. In a follow up article, I will talk about using Hangfire with a Redis storage. To learn more about Hangfire, you can visit the official website.
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BackgroundService in .Net Core
Easy to understand if you want to implement your own background service. If you want a more easy and complete tool you can use hangfire.
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Is there anything like this in C#?
Try https://www.hangfire.io/
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Help in creating a new Service
If, as you stated, you really need to use your own servers, that seems exactly like a job for Hangfire.
- Background processing in .NET MAUI app
What are some alternatives?
Sentry - Developer-first error tracking and performance monitoring
QuartzNet - Quartz Enterprise Scheduler .NET
Serilog - Simple .NET logging with fully-structured events
RabbitMQ.NET - RabbitMQ .NET client for .NET Standard 2.0+ and .NET 4.6.2+
zipkin - Zipkin is a distributed tracing system
MassTransit - Distributed Application Framework for .NET
pino - 🌲 super fast, all natural json logger
Coravel - Near-zero config .NET library that makes advanced application features like Task Scheduling, Caching, Queuing, Event Broadcasting, and more a breeze!
otel-with-apache-pulsar - Example of application that produces and consumes events to/from Apache Pulsar. Traces from the transactions are captured using OpenTelemetry and sent to Elastic Observability.
Kafka Client
signoz - SigNoz is an open-source observability platform native to OpenTelemetry with logs, traces and metrics in a single application. An open-source alternative to DataDog, NewRelic, etc. 🔥 🖥. 👉 Open source Application Performance Monitoring (APM) & Observability tool
FluentScheduler - Automated job scheduler with fluent interface for the .NET platform.