updated overview image

Author: yogesh266

ads/feature_store/docs/source/figures/feature_store_overview.png

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 Managing many datasets, data-sources and transformations for machine learning is complex and costly. Poorly cleaned data, data issues, bugs in transformations, data drift and training serving skew all leads to increased model development time and worse model performance. Here, feature store is well positioned to solve many of the problems since it provides a centralised way to transform and access data for training and serving time and helps defines a standardised pipeline for ingestion of data and querying of data.
 
-.. image:: figures/overview.png
+.. image:: figures/feature_store_overview.png
 
 Oracle feature store is a stack based solution that is deployed in the customer enclave using OCI resource manager. Customer can stand up the service with infrastructure in their own tenancy. The service consists of API which are deployed in customer tenancy using resource manager.