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等待事件

  • Oracle 等待事件之 db file scattered read

    db file scattered read官網解釋:This event signifies that the user process is reading buffers into the S

    作者:Abigale2018
    2020-07-30 20:35:14
  • Oracle Study之--Oracle等待事件(7)

    Oracle Study之--Oracle等待事件(7) Free buffer waits    當一個會話將數據塊從磁盤讀到內存中時,它需要到內存中找到空閑的內存空間

    作者:客居天涯
    2020-07-29 19:23:38
  • Oracle Study之--Oracle等待事件(2)

    Oracle Study之--Oracle等待事件(2)Control file parallel write當數據庫中有多個控制文件的拷貝時,Oracle 需要保證信息同步地寫到各個控制文件當中,這

    作者:客居天涯
    2020-07-29 01:29:01
  • Oracle 等待事件之 free buffer waits

    free buffer waits官網解釋:    This wait event indicates that a server process was un

    作者:Abigale2018
    2020-07-23 21:07:02
  • Oracle Study之--Oracle等待事件(3)

    Oracle Study之--Oracle等待事件(3)Db file parallel read這是一個很容易引起誤導的等待事件,實際上這個等待事件和并行操作(比如并行查詢,并行DML)沒有關系。

    作者:客居天涯
    2020-07-15 06:39:36
  • Oracle 等待事件之 db file sequential read

    db file sequential read:官網解釋:This event signifies that the user process is reading a buffer into the

    作者:Abigale2018
    2020-06-30 09:26:17
  • Oracle 等待事件之 db file parallel read

    db file parallel read官網解釋:    This happens during recovery. It can also happen d

    作者:Abigale2018
    2020-06-25 23:55:24
  • Oracle 等待事件之 buffer busy waits

    buffer busy waits (熱塊兒爭用)官網解釋:    This wait indicates that there are some buffer

    作者:Abigale2018
    2020-06-16 22:22:10