SAP HANA 2.0 Administration · Scale-Out Systems & Host Auto-Failover

Scale-out is transparent to client apps — except for one thing they must be told. What, and what breaks if you skip it?

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More in Scale-Out Systems & Host Auto-Failover

What are the SAP S/4HANA scale-out node minimums and the maximum cluster size?

You have a small config table that joins with many table groups, and a large fact table that joins with it. Which gets a replicated copy on every node and which gets placed once — and what's the deciding property?

A standby took over after MASTER1's name server failed; the cluster ran fine on the substitute for days. After a planned full restart, who is master and what happens to index-server roles?

When distributing tenant databases across a scale-out HANA cluster, what does SAP tell you NOT to do, and what runs on all nodes regardless?

Why must a single standby host have access to ALL data volumes in a scale-out HANA cluster, not just one worker's?

All else equal, when does SAP say to choose scale-up over scale-out for HANA, and what is the single biggest performance reason?

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