Sunday, June 22, 2025

ORA-39095: Dump file space has been exhausted

For datapumpt export, we use %U substitution variable when we intend to create multiple export dump files through parallel export or dump file size restriction impose using parameter filesize. In this case, maximum number of dumpfiles that could get created are 99 (from 01 to 99). Eventually your export would fail with ORA-39095 if export data size requires more dump files to be created but 99dump files limit has already reached. Following is the parameter file that I used to export and the error I received during 29T size of data export.

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