CODEWITHSUNDEEP
azureazure-cosmosdb
Starchand
Starchand

Reputation: 714

Azure "/_partitionKey"

I created multiple collections through code without realising the importance of having a partition key. I have since read the only way to add a partition key and redistribute the data is by deleting the collection and recreating it.

I don't really want to have to do this as I have quite a-lot of data already and want to avoid the downtime. When I look the Scale & Settings menu in Azure for each of my collections is see this below.

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Can someone explain this - I thought my partition key was null but looks like MS have given me one called _partitionKey? Can I not just add _partitionKey to my documents, run a script to update them all to the key I want to use (e.g country)?

Upvotes: 2

Views: 945

Answers (1)

Chris Anderson
Chris Anderson

Reputation: 8505

This is a new feature which allows non-partitioned collections (now called containers in the latest SDKs) to start using partitions with 0 downtime. The big caveat is that you need to be using the latest SDKs (which will be announced GA really soon (in fact most are already published, just waiting on doc publishing/etc.). Portal got the feature first since it's using the latest SDK under the covers already.

Upvotes: 3

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