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With the release of TrueSight Capacity Optimization 10.0 we have simplified Lookup Table management for OOTB ETLs with 'Entity Catalog'. In this article, I will explain some concepts of Entity Catalog which was known as shared Lookup table in previous BCO versions.

 

Earlier BCO versions used a "master" ETL or fake ETL to import the systems in the workspace and it was in charge to create the Master lookup that could be shared among the others ETL so that we can avoid the creation of duplicate systems. In TrueSight CO 10.X, with entity catalog, we provide a clearer user interface to use the Master lookup feature. Now we have entity catalog, which are "group" of lookup tables so there is no more reason to speak about multiple lookups. So now when an ETL import systems, the list of imported items is stored in an object called entity catalog.  It is a list of imported systems by an ETL and all those ETLs that use the same systems can share the same entity catalog. In this way, Entity Catalogs provide an easier way of sharing entities imported by multiple connectors with respect to Lookup Tables.

 

Share Entity Catalog with other ETLs collecting performance/capacity data

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If you already had Master Lookup in place in BCO 9.X then in TrueSight CO 10.X you need not make any changes in Entity Catalog (unless there are specific problems in your environment), everything will be taken care by TrueSight CO when you upgraded. There is an out of the box entity catalog called "default entity catalog" where all systems are imported unless a user decides differently.

 

Entity Catalog allows the user to distinguish between which ETL created an entity and which ETL added additional metrics to it afterward.

 

In the screenshot below you can see a snapshot of the functionalities of the entity catalog:

 

  • Reconcile Entities: when you have imported the systems twice without sharing entity catalog, the systems will be duplicated. With this functionality, you can remove duplicated entities specifying the criteria of the reconciliation
  • Merge Entity Catalog: it’s used when you decide to merge two different entity catalog in one
  • Filter “Show only entities used by:” this picker contains all ETLs sharing the same entity catalog and only systems used by the selected ETL will be showed in the table

 

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For more detailed information, you can also refer to our documentation.

 

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