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2800138 - Out of Memory with Allocation Failure Type OPERATING_SYSTEM_LIMIT

Symptom

  • An out of memory event happened in the HANA database and an oom trace file was created containing the information below:
[MEMORY_OOM] Information about current out of memory situation: (<timestamp>)
OUT OF MEMORY occurred.
Host: <hosrname>
Executable: <servicename>
PID: <pid>
Failed to allocate <memoryvalue>
 
Allocation failure type: OPERATING_SYSTEM_LIMIT

 

  • The oom trace file also contains the messages below:
Could not return Xb to operating system.
This is a configuration problem of your operating system:
Please increase /proc/sys/vm/max_map_count
At most one OOM dump is written in approximately Xs.

 

  • You also see the following messages in the traces of the HANA service that reported the out of memory event:
<timestamp> e Memory MallocProxy.cpp(02006) : mmap(<...>) failed.12 (Cannot allocate memory)
<timestamp> e Memory Precharge.cpp(00162) : memAllocSystemPages failed with rc=12, 12 (Cannot allocate memory)

 


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Environment

  • SAP HANA Database

Product

SAP HANA, platform edition all versions

Keywords

KBA , HAN-DB , SAP HANA Database , Problem

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