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03-18-2021 11:41 PM
03-18-2021 11:41 PM
Memory Utilization is Keep Increasing in SLES 15 SP1 based SAP HANA /HPE Superdome Flex Server
Memory Utilization is Keep Increasing in SLES 15 SP1 based SAP HANA /HPE Superdome Flex Server Since we moved to production. Its now 76% from 43% in day one.
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03-19-2021 09:00 AM
03-19-2021 09:00 AM
Re: Memory Utilization is Keep Increasing in SLES 15 SP1 based SAP HANA /HPE Superdome Flex Server
Diagnosing memory utilization issues can be quite complex, ranging from real defects, configuration problems, to mere misunderstanding of the Linux memory management system. This can be a lengthy and intensive process, that is probably best handled in a formal support case with your support provider rather than in a community forum. There is usually no simple answer to 'what is consuming my memory over time', but some very general tips I could give you to resolving such issues are:
- be very specific in descriptions of what is changing, when it changes, and trends
- have excellent change management procedures in place to track every change you make to the environment in pursuit of this issue
- discipline to perform tests and measurements accurately, recording the time, date, observations and the change made
SUSE maintains a library of documentation that is quite useful. One place to start is this document:
https://documentation.suse.com/sbp/all/html/SBP-performance-tuning/index.html
There are several documents about best practicies that are specific to Hana environments .
https://documentation.suse.com/sles-sap/15-SP1/