2007-03-17

Oracle::PostgreSQL 伺服器基本架構

更新:2007-03-16

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內容:
伺服器的 2 個實體(entity)

  1. Instance => Postmaster
  2. Database => Database
SGA (System Global Area)基本上差異不大, 同樣具有
  1. Shared pool
  2. Database buffer cache
  3. Log buffer
Process
  1. SMON => postgres a
  2. PMON => postgres b
  3. DBwn => postgres (not limit)
  4. LGWR => postgres c
  5. CKPT => postgres e

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