2383426 - Delta Store merge of Dynamic Tiering. | SAP Knowledge Base Article

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2383426 - Delta Store merge of Dynamic Tiering.

Symptom

How frequently delta store is merged into the extended storage? (Any parameter?)

2.3.1 The Delta Store

(SAP HANA Dynamic Tiering: Administration Guide)

*Hybrid Storage*

The delta store combines with the existing on-disk extended storage to provide a hybrid storage mechanism
that combines the extreme performance and low latency of the in-memory store with the robust high performance and scalability of on-disk storage.
Immediate data modifications (load table / insert / update / delete) occur within the write-optimized delta store.

The delta store is periodically merged into the read-optimized extended storage through asynchronous data transfer.


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Environment

  • SAP IQ 16.0
  • Dynamic Tiering 1.0

Product

SAP HANA 1.0 dynamic tiering ; SAP HANA dynamic tiering 2.0 ; SAP IQ 16.0

Keywords

SYBASE, HANA, SAP HANA, SAP IQ, IQ, Delta, Delta Merge, Merge, RLV, Threshold, DT, Dynamic Tiering, Row Level Versioning , KBA , BC-SYB-IQ , Sybase IQ , HAN-DYT , SAP HANA Dynamic Tiering , Problem

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