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The Importance of Maintaining Integration Documentation and Regularly Reviewing SAP HANA Performance Parameters

It was a strange issue that had started with the SAP HANA database upgrade. From time to time, the SAP ECC system would become extremely slow and then it would not respond at all. Call after call after call. Nobody had slept properly in 2 days.

The hosting team was reporting very high memory usage in HANA, but nothing was running in the SAP application. SAP Solution Manager E2E Monitoring showed high database read/write times. But there was no pattern to the timing. There were random peaks.

HANA was downgraded. It seemed to work for a day. Then the same problem started again! Finally, it was found that someone was just accessing an old dashboard in Spotfire that was directly pulling huge data from the SAP HANA database and causing a memory issue for all other processes trying to use HANA.

This incident highlights the fact that small actions can cause big disruptions, especially where integrated systems are concerned. It emphasizes the importance of maintaining integration documentation and regularly reviewing SAP HANA performance parameters to prevent such issues from occurring.

Integration documentation should be maintained and reviewed periodically. This documentation should be circulated with all teams supporting each of the integrated applications. By doing so, teams will have a clear understanding of the dependencies and potential impacts on other systems.

Additionally, SAP HANA DB parameters related to performance must be reviewed regularly, possibly every quarter. This review will help assess whether there is any scope for improvement in how HANA behaves with non-SAP applications in the landscape.

One specific area to consider is workload mapping for particular users. By setting workload mapping for relevant user IDs, potential issues similar to the one described above can be minimized. Workload mapping allows for the allocation of appropriate resources to specific users, ensuring that their activities do not negatively impact the performance of other processes.

Regularly reviewing performance parameters and workload mapping can help identify and address potential issues before they escalate. It enables organizations to be sufficiently prepared to take quick action when problems arise, minimizing downtime and ensuring smooth operations.

In conclusion, the incident with the SAP HANA database upgrade highlights the importance of maintaining integration documentation and regularly reviewing SAP HANA performance parameters. By doing so, organizations can proactively prevent disruptions caused by small actions and ensure the smooth functioning of integrated systems. Regular assessments and preparations will enable quick action when issues do arise, minimizing their impact on operations.

Do you want to get more such insights related to SAP BASIS, SAP HANA DB and SAP S/4HANA? Connect with Dipyaman Biswas.

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