Performance Issue with Loading Large CSV Files Using Apex Data Load
(Doc ID 1996542.1)
Last updated on FEBRUARY 18, 2021
Applies to:Oracle Application Express (APEX) - Version 4.2.6.00.03 and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Information in this document applies to any platform.
When loading 250,000 records from a CSV file using Apex "Data Load" utility, it takes 10 minutes just to load the file into apex to display the data / table mapping page. The target table is empty, no indexes on target table, just a primary key. Not performing any look ups, transformation, or concurrency. This is a very simple load. There are zero processes or pl/sql calls. Not doing any customizations.
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