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Cache Rebalancing Was Broken. Here’s How Valkey 9.0 Fixed It

split screen depicting a before and after

Few things make SREs more nervous than rebalancing a cache cluster. You know the feeling. You add a node, trigger a rebalance, and suddenly latency graphs start jumping. It’s a familiar risk of the job, especially when your cache sits between your users and your database. A small configuration mistake here can suddenly unleash a […]