ORA-04031 Due To High Shared Pool Usage To "GCS DYNAMIC RESOURCES FG" With In-Memory Option (DBIM)
Last updated on NOVEMBER 04, 2016
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124 to 126.96.36.199 [Release 12.1]
Information in this document applies to any platform.
- Shared pool memory allocation errors are seen in a 12c RAC environment with tables populated into in-memory.
- The reported memory errors look like:
DBIM in RAC mode allocates DLM, KCL locks for coherency of data across the RAC cluster. Those memory allocations come from the shared pool and not from the inmemory area.
Note that these allocations are in addition to what buffer cache might allocate for DLM/KCL locks for the database blocks resident in the buffer cache.
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