Symptom
You observed an OOM (Out of Memory) dump pointing to heap memory allocator Pool/JoinEvaluator/JECreateNTuple.
From OOM dump trace: <service>_<host>.<port>.rtedump.<timestamp>.oom.trc
You observed a similar report:
[MEMORY_OOM] Information about current out of memory situation: (2021-06-10 05:37:05 038 Local)
OUT OF MEMORY occurred.
Host: xxxxx
Executable: hdbindexserver
PID: 72083
Failed to allocate 52866730712 byte.
GLOBAL_ALLOCATION_LIMIT (GAL) = 2.69tb (2968545918976b), SHARED_MEMORY = 66.17gb (71052582912b), CODE_SIZE = 2.05gb (2205351936b), OOM_RESERVATION_ALLOCATOR_SIZE = 288.54mb (302563328b)
Top "M_HEAP_MEMORY" allocators (component, name, size). Ordered descending by exclusive_size_in_use.
1: Statement Execution & Intermediate Results: Pool/JoinEvaluator/JECreateNTuple 249.63gb (268041641168b)
Read more...
Environment
- SAP HANA, platform edition 1.0 SPS12
- SAP HANA, platform edition 2.0 SPS01
Product
Keywords
JECreateNTuple, memory allocation, join evaluator , KBA , HAN-DB-ENG , SAP HANA DB Engines , HAN-DB , SAP HANA Database , Problem
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