Google Cloud Datastore

Google’s Cloud Datastore is a database platform that applications access directly through API calls, most commonly via the Google App Engine. Google is in the process of replacing Google Cloud Datastore with Google Cloud Firestore. Think of Firestore as the next-generation version.

When you choose the versions you want, it is important to consider the pros and cons of each service:

Decision time

Background Information on Datastore

Multiple data centers actively replicate data, ensuring that query performance scales proportionally to the size of the result set. This architecture prevents slowdowns, even when managing extremely large volumes of data in the database.

As for Cloud Datastore, it has evolved into a product that offers strong consistency. Users can configure it for regional or multi-regional replication to enhance reliability and performance.

When would you use Cloud Datastore?

  • The scheme can be changed
  • Database is adaptable
  • Can scale down to zero
  • Fairly cheap – first 1gb is free
  • Fully transactional DB
ConceptCloud DatastoreCloud FirestoreRelational database
Category of objectKindCollection groupTable
One objectEntityDocumentRow
Individual data for an objectPropertyFieldColumn
Unique ID for an objectKeyDocument IDPrimary key
  • Cloud Datastore automatically scales to accommodate large data sets, enabling applications to sustain high-performance levels as traffic increases.
    • Cloud Datastore writes scale by automatically distributing data as necessary.
    • Cloud Datastore reads scale because the only queries supported are those whose performance scales with the size of the result set (as opposed to the data set). This means that a query whose result set contains 100 entities performs the same whether it searches over a hundred entities or a million. This property is the key reason some types of queries are not supported.
  • Pre-built indexes handle all queries, making the query types more restrictive than those in a relational database that uses SQL. In particular, Cloud Datastore does not include support for join operations, inequality filtering on multiple properties, or filtering on data based on results of a subquery.
  • Unlike traditional relational databases which enforce a schema, Cloud Datastore is schemaless. It doesn’t require entities of the same kind to have a consistent set of properties (although you can choose to enforce such a requirement in your own application code).
Elsewhere On TurboGeek:  Overview of (GCP) Google Cloud Platform Services


Richard Bailey, a seasoned tech enthusiast, combines a passion for innovation with a knack for simplifying complex concepts. With over a decade in the industry, he's pioneered transformative solutions, blending creativity with technical prowess. An avid writer, Richard's articles resonate with readers, offering insightful perspectives that bridge the gap between technology and everyday life. His commitment to excellence and tireless pursuit of knowledge continues to inspire and shape the tech landscape.

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1 Response

  1. 29/09/2023

    […] Cloud Datastore has long been a reliable database platform, accessible directly from applications through API […]

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