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Thread: Chunks Raw

  1. #1
    Join Date
    Mar 2017
    Posts
    2

    Unanswered: Chunks Raw

    Hello everyone

    I have the following problem, if you can help me..

    The raw chunks of my Informix are being consumed halfway, not completely. This is happening now before it was not like that.

    Check the parameters of creation of the logical volumes and I see the same partition and size, any ideas?

    sincerely
    GA

  2. #2
    Join Date
    May 2008
    Posts
    36
    Maybe your tables reached a "next size" so big the next extent will not fit in the remainder of the chunks. As you know , every extent must fit into a chunk wholly and may not fit partly.
    Extent size are doubling every 16th extent automatically, so check the extent size and adjust them if needed.

  3. #3
    Join Date
    Mar 2017
    Posts
    2
    thank you very much for your help, this may be because my tables are very large,

    I'm going to review the extent

    atte

    GA

  4. #4
    Join Date
    Sep 2011
    Location
    Pont l'Abbé, Brittany, France
    Posts
    394
    Provided Answers: 1
    Hi,

    if you are Informix 11.70 or above, you can use the defragment, repack and shrink commands thru the Admin API. those commands allow to compact extents and recover free space

    If your tables are very big, watch out the limit of number of pages for a tablespace ( which depends on your default page size)

    BR
    Eric

  5. #5
    Join Date
    Jul 2017
    Posts
    2

    Chunk

    Have not looked any closer at your code but...
    You must send MSP_SET_RAW_RC repeatedly with a 20hz timer.

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