No More Hotspots: Introducing the Automatic Disk Balancer in Apache Ozone
· 5 min read
Ever replaced a drive on a Datanode only to watch it become an I/O hotspot? Or seen one disk hit 95% usage while others on the same machine sit idle? These imbalances create performance bottlenecks and increase failure risk. Apache Ozone's new intra-node Disk Balancer is designed to fix this—automatically.