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Questions tagged [availability]

149 questions
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Azure Availability test - A single 'hidden-link' tag pointing to an existing AI component is required. Found none

I am trying to create a url ping test for an app service hosted in azure through azure cli az monitor app-insights web-test create --location "Australia East" --tags…
Heshan
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How does a single-node system get Availability in CAP theorem?

I have a question. I read many blogs, websites about CAP theorem. They say that single-node systems are CA, but how can it be "A" if that single node goes down ? Because if it does, the system will be unavailable, right ? And is "availability" in…
Sake
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Can't make resources unavailable in a certain time period

The code is given below. Actually, I have two nodes 0 and 1 where server capacities are 5 and 7 respectively. The servers are unavailable before 9AM (540 mins from midnight) and after 6 PM everyday. I am trying to create the unavailability using…
Coding Practice
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How to calculate total availability based on individual object availabilities?

How to calculate overall availability given individual object availability percentages? Example 1: I have sql server with FCI. VM1 has 99.9% availability VM2 has 99.9% availability What is total availability calculation? Example 2: same as above…
variable
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How to calculate availability on blockchain/IPFS and Hadoop/HDFS?

I am working on a thesis proposal how to optimize big data architecture using blockchain/IPFS, by comparing the amount of data availability on Blockchain/IPFS and Hadoop/HDFS, the challenge is how do I calculate or measure availability on both…
Asrul Paelori Ahmad
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Timer triggered Azure function Activity.Current is null

Scenario I have followed this tutorial and created azure function v3 in net core 3.1 to monitor my web application. U used Visual Studio instead of developing it in the portal. Problem Unfortunately i received System.NullReferenceException: Object…
zolty13
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How to measure availability of a background process running as a WebJob?

We do not have any api endpoints exposed for the service, wondering if there is any standard way to do it through azure.
Jim
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Checking network availability of PC and of specific file via CMD

I have list with some PC hostnames and I would like to simple check if PCs are online in local network and check if the specific file is in that PC. I made some "program" via CMD. But it's lazy and it takes too long to check few PCs on…
Mike_BossO
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Is this the correct way to calculate the availability of a web site by using all non-5xx http status codes / all status codes?

I was asked to calculate the availability of a web site by using a simple way: use all the non-5xx http status codes / all status codes. Is this correct? I'm new to this concept, so any response is welcome:).
Ivan Glasenberg
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Generated Alert on Availability Test is not fired

I've defined an availability test on a Function App (called watchdog) accessible with a function key. The watchdog performs an URL-ping on other health endpoints (protected by AAD). The JSON response is evaluated if one of the functions contains an…
gsscoder
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Availability tests: is it possibile to HTTP-ping an endpoint with AAD enabled?

To better understand and then implement it in our projects I've created a Function App with 3 endpoints (source code in this gist) and configured 6 Availability Tests (of kind Ping Test): oktest: https://myfuncname.azurewebsites.net/api/ok (parse…
gsscoder
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Docker swarm limit node availability to only one service in a large stack

I have a swarm with 1 manager and 2 nodes (worker 1, worker 2). On manager and worker 1 I have 30+ services replicated between them, one of which is mysql. On worker 2 I want to set up a mysql slave to worker 1's mysql. However, I would like worker…
leo_cape
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For Azure, can it support same IP address for different Availability Zone?

For Azure, can I set same IP address subnet and addressing within different availability zone? Thanks.
Muhammad Ariff
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Visibilty of private extensions on Visual Studio Marketplace

I have created some extensions which we will only use internally in our company. Therefore I have set the Extensions to private. I assumed that this way the users added to the publisher as "reader" could see the lis of extensions when they use the…
Paul Richardson
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query kusto database for DB availability

What is the query to check DB availability of all DBs within a cluster? I came across few HTTP methods but no direct Kusto Query to directly run on the explorer
Swasti
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