Azure Cosmos DB Archives

Adventures with Azure: Cosmos DB, Azure Functions, Event Grid, Oh My!

Posted on October 22, 2019October 22, 2019 by Matt Ruma

To get a better understanding of the Cosmos DB Change, Event Grid, retry and fail over logic, I decided to build a system that would respond to changes in a Cosmos DB, send events to an Azure Event Grid, which in turn would forward the events to subscribers. I broke this article in to three…

Adventures with Cosmos: Alerting and 429 Status Codes

Posted on September 24, 2019September 24, 2019 by Matt Ruma

During periods of peak transactions Cosmos may return a 429 Status Code – Too Many Requests, which means the collection has exceeded the provisioned throughput limit (RUs) and that you should retry the request after the server specified retry after duration. I want to setup alerting on both an Azure Function and the underlying Cosmos…

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