SAP S/4HANA Administration · Memory Management & Table Buffering

You increase a buffer size parameter in RZ10 to fix swaps. When does the change take effect, and what unit pitfall can silently mis-size it?

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More in Memory Management & Table Buffering

A row in a buffered table is updated. Is the new value written into the buffer, and what determines how much of the buffer is discarded?

Buffer/memory size parameters are static, but RSMEMORY changes memory allocation at runtime. Exactly what can it change, and what can it NOT?

You open ST06 to investigate a server load problem from yesterday, but the History view is empty while Snapshot and Previous Hours work. What is the cause, and what do you do?

Where is a table's buffering configured, and what are the three buffering settings?

In a multi-instance system a buffered table is changed on one instance. Why can another instance still serve the old value — and what does that rule out for buffering candidates?

On a busy HANA system the SQL plan cache is constantly full and evicting plans. Is that a correctness problem, and what is the real cost of the eviction?

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