In this episode, Lucas and Luna dive into Linux server disk I/O performance tuning by focusing on the three main I/O schedulers available in the modern Linux kernel: CFQ, Deadline, and noop. They explain how each scheduler works under the hood, when to choose one over the other, and walk through practical commands to check and change the scheduler on a running system. Using examples like a busy database server versus a virtual machine host, they show how the wrong scheduler can cause latency spikes or throughput bottlenecks. The episode also touches on how to make scheduler changes persistent across reboots using udev rules. By the end, listeners will know exactly how to diagnose whether their disk scheduler is a performance bottleneck and how to tune it for their specific workload.

#Linux #Sysadmin #ServerAdministration #IOTuning #IoScheduler #CFQ #DeadlineScheduler #NoopScheduler #DiskPerformance #KernelTuning #StoragePerformance #UbuntuServer #CentOS #UdevRules #Technology #FexingoBusiness #BusinessPodcast #OpenSource

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