SAP Business Warehouse Extractor Handling
Long running SAP Business Warehouse (SAP BW) extractor queues can lead to lock situation in certain phases of the update.
The following phases acquire exclusive locks on database tables that are processed in the respective phase:
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EU_SWITCH_ZDM
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SQLRUNTASK_LC4BRI_CRETRIGGER
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SQLRUNTASK_FDCT_TRANSFER
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PARMVNT_XCNV
-
PARCONV_UPG
In general, we recommend deactivating SAP BW extractors during the bridge phase.