• Storage Performance Benchmarking with FIO Flexible IO tester (FIO) is an open-source synthetic benchmark tool first developed by Jens Axboe.  FIO can generate various IO workloads: sequential reads or random writes, synchronous or asynchronous, all based on the options provided by the user.  FIO provides various global options through which different type of workloads can be generated.  FIO is the … Continue reading Storage Performance Benchmarking with FIO
  • Storage Performance Metrics I often get requests from application owners to review storage performance stats.  I thought I’d give a quick overview of some of the things I look at, what the myriad of performance metrics in commonly used storage performance software tools actually mean, and how you might use some of them to investigate a performance problem.  Performance analysis … Continue reading Storage Performance Metrics
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