Last updated on MARCH 27, 2014
Applies to:Oracle Database - Enterprise Edition - Version 126.96.36.199 to 188.8.131.52 [Release 11.2]
Information in this document applies to any platform.
- Parallel MERGE executes serial sporadically even when processes are available for parallel execution.
- MERGE Statement returns ORA-12827
e.g. MERGE Statement returns ORA-12827: insufficient parallel query slaves (requested 16, available 0, parallel_min_percent 25)
- px_trace shows information similar to the following:
kxfpValidateSlaveGroup [ 2595/ 2540]
serial - too few slaves after cb(qerpxSendParse)
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