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Oracle Apps DBA: Keeping E-Business Suite Alive · Module 1 · What an Apps DBA does, and what Fusion took away

On-premises, IaaS, and the middle ground

Lesson 9 of 184 · 2 min

EBS on your own hardware, on a cloud VM, or on Oracle's. What changes about your job in each, and WHAT DOES NOT CHANGE AT ALL. ON YOUR OWN HARDWARE, EVERYTHING BELOW THE OPERATING SYSTEM IS ALSO YOURS. Disks fail, a RAID controller degrades, the data centre has a power event, and capacity is a purchase order with a lead time measured in months. The consequence people underestimate is that CAPACITY IS A DECISION MADE YEARS AHEAD — you cannot add memory this afternoon, so sizing mistakes are lived with rather than fixed. ON A CLOUD VM, THE HARDWARE STOPS BEING YOUR PROBLEM AND THE BILL STARTS BEING ONE. Resizing is minutes rather than months, which changes tuning from an obligation into an option — and that is a trap as much as a benefit: adding two cores is cheaper than diagnosing the query, and it works, and it is…

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In this module: Module 1 · What an Apps DBA does, and what Fusion took away

  1. 1The job, described honestly
  2. 2Apps DBA versus core DBA
  3. 3Where the DBA role went in FusionFree preview
  4. 4What transfers, and what does not
  5. 5On-premises, IaaS, and the middle ground
  6. 6Who else touches this system
  7. 7What breaks: the estate nobody owned
  8. 8Lab briefing · Describe an estate you have not seen