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  1. #1
    Join Date
    Aug 2007
    Posts
    23

    Unanswered: please help me enumerate the tiggers on activating the page cleaner

    Dear All

    I have searched the internet a lot ,not find the exactly tiggers on activating the page cleaner. the only triggers i kown are :

    1、on database being deactivated.
    2、on all applications disconnected.
    3、on online-backup finished.

    I can not figure out any other triggers,but I think there should be some others that i ignored.

    THKS ALL

  2. #2
    Join Date
    May 2003
    Location
    USA
    Posts
    5,737
    Page cleaning happens in the normal course of database activity when certain threasholds are reached, such as the percentage of dirty pages in the bufferpool. The actual algorithm is fairly complex and can be affected by some db parms and environment variables.

    But regarding other specific events that might occur, the "set write suspend" command should be included, and "maybe" the quiesce command.
    M. A. Feldman
    IBM Certified DBA on DB2 for Linux, UNIX, and Windows
    IBM Certified DBA on DB2 for z/OS and OS/390

  3. #3
    Join Date
    Aug 2007
    Posts
    23
    thks a lot

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