CosmosDB backup consistency question
Hi, After reviewing the Microsoft Cosmos DB documentation, I have a consistency-related question regarding CosmosDB PITR backups. Here's the information I've gathered: The webpage indicates that The restore process ensures that all the data restored in…
Azure Cosmos DB
Depoyment failure when creating cosmo db with mongo support on azure
I am getting an error when I am trying to create Cosmos MongoDB service in Azure.
Azure Cosmos DB
Azure Cosmos DB Emulator is keeping documents with TTL
Hi, I working with a team in my company that is using Azure Cosmos DB. We are working on implementing a TTL for documents and we noticed an issue with the Azure Cosmos DB Emulator. Not sure if this is also an issue in the Azure Cosmos DB instance. …
Azure Cosmos DB
RU estimation in Cosmos DB
Hi, For migrate Cosmos DB from serverless to provisioned mode, since usage can vary over time, I’m trying to figure out the best way to estimate the required RU/s before switching. I’ve checked the "Monitoring" and "Metrics" section…
Azure Cosmos DB
Follow-Up on Enabling Partition Key Delete Feature for Cosmos DB Account
Hello, This is just a follow-up regarding the following question: https://learn.microsoft.com/en-us/answers/questions/2259655/enable-partition-key-delete-feature-for-cosmos-acc?utm_source=chatgpt.com Someone on my team is seeking confirmation on whether…
Azure Cosmos DB
I need to restore a cosmos db
I have a Cosmos DB that is on periodic backup, I need to restore to a backup from yesterday afternoon.
Azure Cosmos DB
How to estimate RU/s in Provisioned mode?
Hi, I’m currently using Azure Cosmos DB in Serverless mode, and I’m considering migrating to Provisioned throughput mode. Is there any method to better estimate the RU/s I’ll need? Since usage can vary. e.g., from serverless mode usage track Appreciate…
Azure Cosmos DB
"How to optimize query performance in Azure Cosmos DB with large JSON documents?"
I'm using Azure Cosmos DB (SQL API) to store large JSON documents (each ~1MB in size). I'm experiencing high RU consumption and latency during queries, especially when filtering on nested properties. Could you please suggest the best practices…
Azure Cosmos DB
Cosmos with mongodb (vcore) in a golang environment?
Hi our team here at Solidicon has trouble understanding what client to use in a golang environment when using Cosmos with mongodb (vcore) version, we hear and read different answers. we hear that the official "mongo-driver" works fine but then…
Azure Cosmos DB
Cosmos DB Emulator returns only HTTP 503 Service Unavailable
The local Cosmos DB Emulator used to work fine on my system a couple of months ago, but now it's not responding to any operation from the Data Explorer frontend or a .NET client. System: Windows 11 Enterprise, build 22621 Version: Azure Cosmos DB…
Azure Cosmos DB

Error querying documents: An operation on a socket could not be performed because the system lacked sufficient buffer space or because a queue was full. (management.azure.com:443),
On portal.azure.com when I go to any of: Azure Cosmos DB for MongoDB account (RU) to the Data Explorer and I type a query like {"_id":"1234"} or I open a shell or I open the query tab I get the following error from the notification…
Azure Cosmos DB
HNSW index is not supported for M30 cluster tier
Hi everyone, We have a Cosmos DB MongoDB (vcore) M30 instance running for over a year. We were using the HNSW indexes for vector searches. However, recently vector search queries started failing without any change on our side, causing our product feature…
Azure Cosmos DB
How to fix error: self-signed certificate in certificate chain when connect to Azure Cosmos DB for MongoDB account from local
Hi, I try to connect to Azure Cosmos DB for MongoDB account from local machine. I use typescript library mongoose to connect to it. This is an error TopologyDescription { type: 'Unknown', servers: Map(1) { …
Azure Cosmos DB
How to connect Power BI to Azure CosmosDB for MongoDB vCore?
I'm trying to connect Power BI to the Azure CosmosDB for MongoDB vCore Free Tier that I provisioned, but the connector asks for an 'Endpoint,' which is not provided in the resource's general panel. Using MongoCompass with the connection string, the…
Azure Cosmos DB
How to setup managed Scylla db or do we need to deploy on a vm?
we are moving away from mongoDB to scylla but there is no managed db available for Scylla on azure.
Azure Cosmos DB
Auditing records in Cosmos for TTL deletes
Is there a way for an java spring-boot application connected to a cosmos container to be aware when a record is deleted within cosmos because the TTL has been exceded?
Azure Cosmos DB
Web application is unable to connect to CosmosDB in the US East region only
Microsoft.Azure.Cosmos.CosmosException : Response status code does not indicate success: ServiceUnavailable (503); Substatus: 20003; Only affects the instance in the US East region. Another instance in the US South Central region, connecting to the same…
Azure Cosmos DB
Continuous backup in Cosmos DB serverless
Hi, I understand that Cosmos DB in serverless mode operates in a single-region deployment model, and continuous backup is enabled by default. In case of a regional outage, I’d like to clarify whether the “Restore to a new account” option is still…
Azure Cosmos DB
Do I really need a separate lease container for each container I want to subscribe to withe changefeed?
It doesn't seem optimized to implement (and pay) for a lease container for each of the containers that I wish to be able to subscribe to a changefeed. Can a single container intended to track leases (to "act as a book mark" [as referenced…
Azure Cosmos DB
DR Practices for Cosmos DB Serverless Mode
Hi, I'm looking for advice on disaster recovery approaches for Azure Cosmos DB in serverless mode. Has anyone had experience with this scenario? (I currently have Continuous Backup enabled on my serverless Cosmos DB account.) Would it be a good idea to…