ORA-12801 ORA-12850 Running DataPump Export On RAC
(Doc ID 1374088.1)
Last updated on FEBRUARY 03, 2022
Applies to:
Oracle Database - Enterprise Edition - Version 11.1.0.7 and laterOracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
Running data pump export on RAC gives error related to parallel query server despite not using PARALLEL parameter
ORA-31626: job does not exist
ORA-31637: cannot create job SYS_EXPORT_SCHEMA_01 for user SYS
ORA-06512: at "SYS.DBMS_SYS_ERROR", line 95
ORA-06512: at "SYS.KUPV$FT_INT", line 798
ORA-12850: Could not allocate slaves on all specified instances: 4 needed, 3 allocated
ORA-12801: error signaled in parallel query server P002, instance 3599
Additionally, query against global views GV$ may fail with same error as well.
SELECT * FROM GV$LOCK;
ERROR at line 1:
ORA-12850: Could not allocate slaves on all specified instances: 4 needed, 3 allocated
ORA-12801: error signaled in parallel query server P002, instance 3599
Changes
Parameter parallel_execution_message_size value was changed on one of the nodes.
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |