Sort Parameters - 9i
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Thread: Sort Parameters - 9i

  1. #1
    Join Date
    Sep 2000
    Location
    Chennai, India
    Posts
    865

    Sort Parameters - 9i

    Given that for a 9i db...

    Temporary tablespace is 629 MB.
    Sort_area_size = 65536
    sort extent pool = 30042
    sort (rows) = 72,982,957
    sort(memory) = 105,504
    sort (disk) = 444

    What is an initial recommendation?

  2. #2
    Join Date
    May 2005
    Location
    Toronto Canada
    Posts
    57
    WORKAREA_SIZE_POLICY = AUTO
    PGA_AGGREGATE_TARGET = as much RAM as you can spare after allowing for SGA and O/S requirements without swapping.

    John

  3. #3
    Join Date
    Sep 2000
    Location
    Chennai, India
    Posts
    865
    The temporary tablespace on the system is showing 99% used for 2 - TEMP_CNTBS & TEMP_HKTBS. Any idea why ?

    Status Tablespace Name TS Type Ext. Mgt. Seg. Mgt. Tablespace Size Free (in bytes) Used (in bytes) Pct. Used
    ONLINE TEMP_CNTBS TEMPORARY LOCAL MANUAL 5,368,709,120 1,048,576 5,367,660,544 99 %
    ONLINE TEMP_HKTBS TEMPORARY LOCAL MANUAL 12,884,901,888 1,048,576 12,883,853,312 99 %
    ONLINE TEMP_IDTBS TEMPORARY LOCAL MANUAL 2,147,483,648 1,861,222,400 286,261,248 13 %
    ONLINE TEMP_TBS TEMPORARY LOCAL MANUAL 2,147,483,648 1,708,130,304 439,353,344 20 %
    ONLINE TEMP_THTBS TEMPORARY LOCAL MANUAL 8,589,934,592 3,263,168,512 5,326,766,080 62 %
    -------------------- -------------------- --------------------

  4. #4
    Join Date
    Jan 2001
    Posts
    2,828
    Hi

    Well extents allocated by oracle in the temporary tablespaces would never be deallocated .

    Thats the way oracle works..i dont think so its a reason to worry at all.

    regards
    Hrishy

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