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  1. #1
    Join Date
    Apr 2004
    Posts
    190

    Unanswered: Fast Communication Manager

    Is FCM new for db2 version 9? I see this in my log at startup:

    FUNCTION: DB2 UDB, fast comm manager, sqlkf_init_allocate_shared, probe:500
    START : FCM infrastructure started
    FCM running in non-shared mode; FCM parallelism degree: 1; comm protocol: TCP/IPv4

    Can FCM be turned off? Is there any reason to turn it off?

    Thanks

  2. #2
    Join Date
    Oct 2004
    Location
    DELHI INDIA
    Posts
    338
    FCM is not new. It was there in V8.X as well in the ESE version.

    FCM (fast comm manager) is relevant mainly in DPF environment which is used to communicate between different partition. Data-movement across partitions is being taken care of by FCM.

    I am not sure why to turn off this in your system. Its required if its an ESE installation.

    Thanks,
    Jayanta
    DB2 UDB Consultant
    Morgan-Stanley / Headstrong.
    Last edited by JAYANTA_DATTA; 11-24-08 at 15:45.

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