Running Out Of Memory While Loading Data Into a Partitioned Table With SQL*Loader
(Doc ID 1555032.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.1 and later
Information in this document applies to any platform.
While loading data with SQL*Loader in direct mode into a table with many partitions and subpartitions, the memory consumption is going up to 99% after which the load is failing with ORA-04030.
There are signs of large allocations to 'klcalh:ld_hds' memory structure. The heapdump collected for the sqlldr process which is increasing in memory shows:
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