A federal judge in Florida has ordered the U.S. Department of Homeland Security to resume ​giving four Republican-led states access to an immigration database to check the citizenship status of people ...

The dispute stems from a 2024 lawsuit filed by Florida alleging the federal government failed to provide sufficient citizenship and immigration data.

With the introduction of caching, consistency problems in a distributed system show up, as the data is stored in two places at the same time: the database and Redis. For background on this consistency ...