Foreword
Exadata has consumed much of my attention and the attention of a significant portion of my development team here at Oracle since the early 2000s. This project began when we saw our customers struggling with Oracle database implementations on hardware platforms that were inadequate to meet the demands of growing data sizes and workloads. In particular we found that Oracle performance was limited by the inability to move data from disks into the database fast enough. There was plenty of throughput in the disks themselves, and plenty of processing power in the servers, but the architecture for moving data from disks to processors was severely limited. Since inadequate throughput was clearly the cause of most performance bottlenecks, we ...
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