Saturday, September 28, 2013

Largest Exadata OLTP Environment

http://www.oracle.com/technetwork/database/availability/11256-exadata-oltp-paypal-1864630.pdf


–  500+ database instances
–  OLTP databases commonly 10-130 TB
–  5,000-14,000 concurrent processes
–  80,000 executions/second, 10GB Redo/Minute

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Does DEALLOCATE UNUSED or SHRINK SPACE will free space occupied by LOB segment?

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