What is NLS in SAP BI?

Near-line Storage (NLS) is used to archive BW data which can still be available for reporting using BEx queries. If you are behind BI Optimization, it is a great way to save BW database space by moving less frequently used data to NLS.

What is NLS IQ?

Near Line Storage (NLS) is a practise that is used to archive the cold and frozen data from BW to its nearest data store called Sybase IQ. This practice not only reduces the data loads on BW systems, but also makes sure that the archived data is available through queries, thereby helping in better performance.

How do I unlock NLS request?

Solution: As the data is locked in archiving request, go to provider-> Manage tab -> Archiving tab-> Look for the request number from the error and reload the required request from NLS to fix the delta request.

How do I test my NLS connection?

Synchronization Check of the NLS Database

1. To access the NLS synchronisation check, call the DBA Cockpit and choose BW Administration NLS Synchronisation Check .
2. Choose the NLS connection that you want to check from the dropdown list. The consistency of the NLS database and the SAP BW system is checked.

What is SAP HANA data tiering?

Data tiering is the assignment of data to different storage and processing tiers based on the aging characteristics of the data. It extends SAP HANA memory by providing the ability to create, query, and load warm data into disk-based, columnar database tables (called extended tables and multistore tables).

What is archiving in SAP BW?

If you want to keep the amount of data in your BW system constant without deleting data, you can use data archiving. The data is first moved to an archive or near-line storage and then deleted from the BW system.

How do I unlock archive archive request?

Unlocking Archiving Requests

1. You are in the BW modeling tools, in the editing screen for your DataStore object (advanced).
2. Choose Manage Archiving.
3. Choose Create Archive button.
4. Choose Unlock under Delete/Unlock Archiving Requests.

What is cold data in SAP HANA?

Cold data tiering refers to the storage of less frequently, or sporadically accessed data in low cost media such as HDFS (Hadoop Distributed File System) and cloud storage options including Amazon Web Services (AWS), Google Cloud Platform (GCP), and Azure Data Lake Storage (ADLS) that are managed separately from the …

What is warm data in Hana?

For warm data SAP HANA native storage extension is a general-purpose, built-in warm data store in SAP HANA that lets you manage less-frequently accessed data without fully loading it into memory. …

How do I delete a DAP in SAP BW?

To delete a DAP, open the transaction RSDAP and press “Delete” for the chosen InfoProvider (DSO) or in RSA1 right-click on the InfoProvider and use Delete in the Data Archiving Process.

How do I archive data in BW?

In your SAP BW system, call the Data Warehousing Workbench (transaction RSA1). Choose the required InfoProvider and choose Create Data Archiving Process from the context menu. The screen Change Data Archiving Process appears.

What is dynamic tiering in SAP HANA?

SAP HANA dynamic tiering is an optional add-on to the SAP HANA database for managing less frequently accessed warm data. Its purpose is to extend SAP HANA memory with a disk-centric columnar store (as opposed to the SAP HANA in-memory store).

How does NLS work in a SAP warehouse?

When running a SAP Business Warehouse, one of the first-choices for integrating SAP with Big Data is NLS (Nearline Storage). NLS is a way to move data out of the primary database and store it in a more cost efficient, but slower secondary database. Data is still available for reporting, though – the SAP BW system will query both databases.

Is the sap-NLS solution compatible with SAP BW?

Please Note that the SAP-NLS Solution can be used with all supported database version supported by SAP BW 7.3x and onwards. Together with NLS Partnersolutions, Nearline storage for SAP BW can also be enabled from SAP BW 7.0x releases onwards. Find the SAP IQ as a Near-Line Storage Solution on the SAP online documentation: Why SAP IQ?

How to delete archived data from NLS in SAP?

If you want to delete the archived data from your InfoProvider or if you want to modify the data of this InfoProvider, you must reload the data from the NLS database back into the SAP BW system where data becomes changeable. In your SAP BW system, call the Data Warehousing Workbench (transaction RSA1 ).

Can a BW NLS query run a Hana optimized statement?

In particular this means that the BW NLS query can run a HANA optimized statement. E.g. also filters on navigation attributes and hierarchy node restrictions can be transferred to the data base, see note 2156717 for details.