Source and target folder in this transfer (ASM is the source and the temporary folder is the target)Īfter the redo logs have been copied to the temporary folder, Replicate reads them using one of the following methods: In addition, Replicate uses Oracle directory objects to denote the When the Copy redo logs to temporary folder option is enabled, Replicate instructs Oracle to copy the full redo log or chunks of the redo log to a local folder residing on the Oracle Server machine or to a shared network folder that can be accessed by Oracle Server.Ĭhunks of redo logs are copied from the ASM online redo logs using the Oracle DBMS_DISKGROUP package whereas archived redo logs are copied in their entirety using the COPY_FILE method of the Oracle DBMS_TRANSFER package. The Copy option is only available when the Qlik Log Reader redo log access method is selected. The "Copy redo logs to temporary folder" Method Oracle - Optimizing read speeds using Oracle ASM storage The general recommendation when having Oracle ASM is to work with the new parallel mode, see article titled: The following article provides detailed guidelines for configuring Qlik Replicate to work with the copy redo logs to temporary folder feature with ASM.
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