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Strengthening Cloud Skills in the Community – Azure Training & Consulting
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We invite you to attend an upcoming Train the Trainer session for Microsoft Partners to learn more about the Microsoft In a Day (XIAD) Partner Events Programand how to lead workshops that empower customers to use and adopt Microsoft products. Our Train the Trainer events are designed to provide you with the knowledge and tools necessary to deliver successful Microsoft In a Day (XIAD) sessions. *Please note, participation is restricted to individuals representing a Microsoft Partner organization. You must register using your corporate email address that is associated with your Partner ID. Personal emails will not be approved. ✨ Why Attend? Expert Guidance: Learn from experienced trainers and get your questions answered. Comprehensive Resources: Access all the content and support you need to succeed. 📅 Upcoming Events: Dashboard in a Day This is a one-day, hands-on workshop for business analysts, covering the breadth of Power BI capabilities. Currently available on-demand. Inquire at xiadevents@microsoft.com Fabric Analyst in a Day This is an intermediate-level training designed for Power BI Data Analysts who have at least one year of experience on Power BI but are new to Microsoft Fabric. Currently available on-demand. Inquire at xiadevents@microsoft.com Real-Time Intelligence in a Day This is an intermediate-level training designed for Power BI developers looking to extract insights and visualize streaming and time sensitive data. Currently available on-demand. Inquire at mailto:xiadevents@microsoft.com Chat with your Data in a Day This is an intermediate-level training designed for Power BI data analysts and developers to help get their models chat-ready and unlock instant insights using natural language. December 22, 2025 - EMEA 9-5 CEST December 23, 2025 - AMERICAS 9-5 CST Sign up at https://aka.ms/CWYDIAD-ttt Partner with us! Are you a Microsoft Partner interested in the opportunity to join the program and deliver Microsoft In a Day (XIAD) events? 🔍 Learn more about the program and review partner eligibility criteria: https://aka.ms/xiadpartneropportunity. 📧 Contact the XIAD Program team: xiadevents@microsoft.com 📤 Submit requests to deliver events: https://aka.ms/xIAD/PartnerEventsThis Azure Cosmos DB discussion board will be migrating into the Azure partners board on December 12, 2025.
Hello Partners!! Please note this discussion board will be merged into our Azure Partners discussion board on Friday, December 12th, 2025. Please follow this new board and subscribe to the Azure Cosmos DB tag to get notified of new posts of this topic!😃
CosmosDb multi-region writes and creating globally unique value
Hi! I am trying to understand how to deal with conflicts when using multi-region writes. Imagine I am trying to create a Twitter clone and I have to ensure that when a user creates an account, it also select an unique user handle (a unique key like username ). In a single region I would just have a container with no indexing and then create that value as a partition key, if I succeed it means that there was not another handle with that value and from this point nobody else will be able to add it. But when thinking in multi-region writes, two persons in different regions could indeed add the same handle. Then the conflict resolution strategy would need to deal with it. But the only conflict resolution possible here is to delete one of them. But this is happening asynchronously after both persons successfully created their accounts, so one of them would get a bad surprise the next time they log in. As far as I understood, https://learn.microsoft.com/en-us/azure/cosmos-db/consistency-levels#strong-consistency-and-multiple-write-regions After thinking for a while about this problem I think there is no solution possible using multiple write regions. The only solution would be to have this container in an account with a single write region, and although the client could do a "tentative query" to another read-only region to see if a given handle is already taken, in the final step to actually take it I must force the client to do the final write operation in that particular region. Consistency levels here only help to define how close to reality is the "tentative query", but that is all. Does this reasoning make sense? Many thanks.Azure AI Search for offloading cross partition queries in Cosmos Db?
HI Azure Cosmos Db team, We were testing on a design to use Azure AI Search indexing on Cosmos Db and use AI Search for cross partition queries that was coming to cosmos db.AI Search will return the unique Id that can be used for point read in Cosmos Db. Apart from having eventual consistency always when incorporating this design which is a disadvantage can we guarantee accuracy with Azure AI Search equality and greater than filters for transactional workloads? We can ensure cosmos db will give the correct response ( accurate) when requested with a query for transactional workloads? We are not utilizing synapse link because of concurrency and API Centric application architecture. With Regards, Nitin RahimCosmos Db JAVA SDK Retry Policy
Hi Azure Cosmos Db Team, We haven't explicitly set retry policy in the event of throttling. Uses the default throttling retry policy. Below as seen from diagnostics. throttlingRetryOptions=RetryOptions{maxRetryAttemptsOnThrottledRequests=9, maxRetryWaitTime=PT30S} However when we encountered actual throttling ("statusCode\":429,\"subStatusCode\":3200) we see in the diagnostics values increasing in multiples of 4 \"retryAfterInMs\":4.0 x-ms-retry-after-ms=4, \"retryAfterInMs\":8.0 x-ms-retry-after-ms=8 and resulting in Request rate is large. More Request Units may be needed, so no changes were made. Please retry this request later. Can you please let me know the difference in behavior here(maxRetryWaitTime as shown in throttlingRetryOptions and retryAfterInMs in the diagnostics as seen above in the event pf throttling) ? I was expecting in the event of throttling the request will be retried after 30 seconds only based on throttlingRetryOptions setting? This is having a compounding effect in case of concurrent requests which affects overall throughput. We need to customize based on our requirement the retry no of times and interval in the event of throttling. Which parameter should we use for that? With Regards, Nitin RahimNumber fields rounding off in Cosmos Db from Azure Portal
Hi Azure Cosmos Db Team, We are seeing an issue from Portal in Cosmos Db. When we enter a numeric field in cosmos db from portal for eg "digittest": 123456789123456789 it is rounding of to "digittest": 123456789123456780 Saw this behavior after 16 characters. Thought the issue is with portal ( related to java script).So tried using the sdk. When using JAVA SDK we saw we were able to retrieve the same value we created with sdk. However when we update another attribute in document in the portal and then retrieve the same document from sdk we are seeing the portal saved value for the number even though we didn't update the LONG number field . Can you please confirm for LONG fields and INT fields we can save and see the same way in portal and from sdk irrespective of length? This can be very misleading. With Regards, Nitin RahimNOT IS_DEFINED in Comsos Db
Hi Azure Cosmos Db team, We need to use NOT IS_DEFINED to evaluate a property below NOT IS_DEFINED(c.TestLocation['South Central US'] per the results analyzed NOT IS_DEFINED is not utilizing Index and is doing a full scan. There was an update from Cosmos Db Team that NOT IS_DEFINED can utilize index now. Below is the blog pertaining the same. https://devblogs.microsoft.com/cosmosdb/april-query-improvements/ Can you please provide an alternative available if we cannot use NOT IS_DEFINED to evaluate the same property and to utilize index without a data model update? With Regards, Nitin RahimAzure Cosmos Db Materialized View general availability
Hi Azure Cosmos DB Team, Can you please confirm if materialized view for Cosmos Db is general available now and can be recommended for production workloads? Also lag for materialized view to catchup is dependent on SKU allocation and provisioned RU in source and destination container only? Does consistency have any impact when querying the materialized view query or for the materialized view catcup in case of heavy writes and updates in source container? If the account is set up with bounded staleness consistency materialized view querying will also have bounded staleness consistency associated with them when using cosmos JAVA sdk for querying? We are using SQL API. With Regards, Nitin RahimPagination in Cosmos Db (Maxitemcount or pagesize)
Hi Azure Cosmos Db Team, Is there an equivalent in Cosmos Db for MaxItemCount parameter( present in dotnet sdk) in JAVA SDK? We wanted to test with MaxItemCount to -1 in JAVA SDK? Where is this exposed? In feed options or Cosmos queryrequestoptions? I see a pagesize parameter in JAVA SDK but we cannot set the same to -1 it seems so that the SDK can optimize the same? We are using SQL API. We are currently using pagesize ==100 for cross partition queries.We are seeing high latency for queries exceeding 2000 results from SDK even though from the portal the RU and latency seems to be less. https://learn.microsoft.com/en-us/dotnet/api/microsoft.azure.documents.client.feedoptions.maxitemcount?view=azure-dotnet With Regards, Nitin RahimReplace Operation Cosmos Db
Hi Team, We have noticed that during millisecond interval sequential operations (create, read, replace operations happening in very small interval) for some records even though we don't get an error we see the cosmos database didn't do a successful replace or update on the item. Is there a limitation in the replace operation with high volume requests with respect to atomicity? With Regards, Nitin RahimControlling an Application’s Throughput Consumption in Cosmos DB with ThroughputControlGroup
Hi Azure Cosmos Db Team, Was referring to the below document link to limit the throughput consumption per requests. https://the9090rule.medium.com/controlling-an-applications-throughput-consumption-in-cosmos-db-with-throughputcontrolgroup-247cc0eafa92 How will the application behave in case the operations in the group exceed the set throughput? Will it get throttled? With Regards, Nitin RahimIn Comsos DB, which consistency level should I use to read data in order in which they are written?
Scenario: I want to read data in the order in which they are written/updated. I am fine with any latency. I'm not performing any write operation before/after read operation. My understanding: Since session, consistency prefix and eventual serves data from any 1 replication within a region, they won't give me data in order. It means I have only 2 options: Strong and Bounded Staleness. Is that correct?Azure Synapse Link for Cosmos Db
Hi Azure Cosmos Db Team, When accessing Cosmos Db with private endpoint from serverless sql pools in synapse workspace, I was getting the below error. Resolving CosmosDB path has failed with error 'Access to the database account '*******' is forbidden.'. I followed the below steps. Create new CosmosDb with Azure Synapse Link enabled Enable private endpoint for the Cosmos Db with required vnet configuration and test it by trying to access the items in the container. Create a new Synapse Workspace, choosing Managed VNet After creation, verify that the Integration Runtime is in the Managed VNet. Create two new private endpoints for Cosmos db from synapse. One for type Sql, and one for Analytical. Approve both end points from Cosmos Db networking tab. From synapse workspace access the container with the synapse link enabled After running a query in serverless sql pools , I get the access forbidden Issue. Resolving CosmosDB path has failed with error 'Access to the database account '*******' is forbidden.'. I followed the below steps. Can you please advise? I was following the below steps. https://learn.microsoft.com/en-us/azure/cosmos-db/analytical-store-private-endpoints. Is there analytical target sub-resource private endpoint also need to be created for Cosmos Db other than sql? With Regards, Nitin RahimmaxDegreeOfParallelism SDK Parameter
Hi Azure CosmosDB Partner Community, What is the difference in using maxDegreeOfParallelism in CosmosQueryRequestOptions and FeedOptions in Cosmos JAVA SDK? Tried using maxDegreeOfParallelism in CosmosQueryRequestOptions value to -1 to let Cosmos DB handle the degree of parallelism but need to understand if there is a difference setting the same in feed options. With Regards, Nitin Rahim
Need a tool which can help me in converting triggers in Oracle to Azure Cosmos DB for Postgres
Hi Team, Need your help in helping me figure out if there is any tool that microsoft provides where i can use to convert triggers in Oracle database to triggers in Postgres. Please do the needful. #AzureCosmosdb # AzureCosmosdbPostgressThank you for welcoming me to the exclusive Azure Cosmos DB Community for partners!
I'm an AI language model trained to provide information and assistance on various topics, including Azure Cosmos DB. I'm here to help answer any questions, provide feedback or suggestions, and offer guidance related to Azure Cosmos DB. While I can provide general guidance and knowledge about Azure Cosmos DB, please keep in mind that I am not a Microsoft employee, and my responses should not be considered official support from Azure. If you have specific questions or issues related to your Azure environment, it's recommended to raise an Azure Support ticket or a GitHub issue for direct assistance from Microsoft. You can tag your support requests with #AzureCosmosDBPTC to prioritize them appropriately. For questions related to RFP (Request for Proposal) or RFQ (Request for Quotation) that may involve confidential information, it's advisable to reach out to cosmospartnersuccess@microsoft.com. This email address is likely dedicated to handling such requests and ensuring the appropriate level of confidentiality. Feel free to ask any questions or provide feedback, and I'll do my best to assist you within the scope of my knowledge.New in App Advisor: Guidance for resale enabled offers (REO)
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