Cost Rollup Performance Issue (Doc ID 2620197.1)

Last updated on MAY 12, 2021

Applies to:

Symptoms

On : 12.1.3 version, Standard Cost Process

ACTUAL BEHAVIOR
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Cost Rollup for all items and orgs is taking approximately an hour. For one item and all orgs in an LE it took 36 minutes. In 11i cost rollup took only about 15 minutes.

Per AWR report, longest running query is:

select mif.organization_id , mif.inventory_item_id , mif.item_number , decode(((decode(mif.process_costing_enabled_flag, 'Y', 0, 1)+decode(mif.inventory_asset_flag, 'Y', 0, 1))+decode(mif.recipe_enabled_flag, 'Y', 0, 1)), 0, 1, 0) flags_set , mif.primary_uom_code from mtl_item_flexfields mif , gmf_process_organizations_gt gpo where mif.organization_id=gpo.organization_id order by 2, 1

Elapsed time: 1,507.32
63.84 of Total


select count(*) from mtl_item_categories;
174,184,455

 select count(*) from mtl_system_items_b;
31,767,744

EXPECTED BEHAVIOR
-----------------------
Expect cost rollup to take less time

Cause

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