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Re: HANA Row Based Transaction in Scale-Out

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Hi Sergio

 

The scale-out model in SAP HANA is based on the data structure of the tables involved.

It is not based on how you use the tables.

So, if you distribute the data over several nodes and do "OLTP"-ish stuff with it, you get OLTP scale-out.

 

And no, you don't want to setup every table that ever sees OLTP-ish transactions as a row store table.

Really, row store tables should be the exception, when column store really cannot be used.

That's what we also do in SoH, BWoH, etc.

 

Monitoring views (I assume you mean the M_... views, right?) are handled per indexserver and only eventually accumulated on query time.

However, I fail to see how they are relevant to a load balancing scenario.

 

Therefore: yes, distributing your connects in a scale-out scenario even with OLTP-ish workload can definitively make sense.

 

- Lars


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