Our team is considering to enable the multi-region for our upcoming PROD environment. We have decided to enable multi read regions, but we are having a couple of questions regarding the single write region vs multi write region.
According to the document (https://docs.microsoft.com/en-us/azure/cosmos-db/high-availability#what-to-expect-during-a-cosmos-db-region-outage), if we have only single write region, in the event of the write region outage, we would experience write availability loss until Cosmos DB automatically elect a new region as the write region. It appears to me that with this mechanism the only disadvantage compared to a multi-write region setup is we cannot do a manual failover. But here what's the SLA for the automatic region switch. If the switch happens in a reasonable period of time we probably could handle that.
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