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[Cloud Bigtable][cloud-bigtable] is Google's NoSQL Big Data database service. It's
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the same database that powers many core Google services, including Search, Analytics, Maps, and
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Gmail.
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Be sure to activate the Cloud Bigtable API and the Cloud Bigtable Admin API on the Developer's
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Console to use Cloud Bigtable from your project.
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See the [Bigtable client lib docs][bigtable-client-lib-docs] to learn how to
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interact with Cloud Bigtable using this Client Library.
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## Getting Started
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#### Prerequisites
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For this tutorial, you will need a
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[Google Developers Console](https://console.developers.google.com/) project with the Cloud Bigtable
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[Google Cloud Platform Console](https://console.developers.google.com/) project with the Cloud Bigtable
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API enabled. You will need to
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[enable billing](https://support.google.com/cloud/answer/6158867?hl=en) to use Google Cloud Bigtable.
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[Follow these instructions](https://cloud.google.com/resource-manager/docs/creating-managing-projects) to get your
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project set up. You will also need to set up the local development environment by [installing the
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Google Cloud SDK](https://cloud.google.com/sdk/) and running the following commands in command line:
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`gcloud auth login`.
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## About Cloud Bigtable
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[Cloud Bigtable][cloud-bigtable] is Google's NoSQL Big Data database service. It's
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the same database that powers many core Google services, including Search, Analytics, Maps, and
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Gmail.
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Be sure to activate the Cloud Bigtable API and the Cloud Bigtable Admin API under APIs & Services in the GCP Console to use Cloud Bigtable from your project.
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See the Bigtable client library documentation ([Admin API](https://googleapis.dev/java/google-cloud-clients/latest/com/google/cloud/bigtable/admin/v2/package-summary.html) and [Data API](https://googleapis.dev/java/google-cloud-clients/latest/com/google/cloud/bigtable/data/v2/package-summary.html)) to learn how to
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interact with Cloud Bigtable using this Client Library.
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## Concepts
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Cloud Bigtable is composed of instances, clusters, nodes and tables.
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### Instances
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Instances are containers for clusters.
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### Clusters
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Clusters represent the actual Cloud Bigtable service. Each cluster belongs to a single Cloud Bigtable instance, and an instance can have up to 4 clusters. When your application
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sends requests to a Cloud Bigtable instance, those requests are actually handled by one of the clusters in the instance.
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### Nodes
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Each cluster in a production instance has 3 or more nodes, which are compute resources that Cloud Bigtable uses to manage your data.
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### Tables
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Tables contain the actual data and are replicated across all of the clusters in an instance.
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## Clients
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The Cloud Bigtable API consists of:
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### Data API
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Allows callers to persist and query data in a table. It's exposed by [BigtableDataClient](https://googleapis.dev/java/google-cloud-clients/latest/com/google/cloud/bigtable/data/v2/BigtableDataClient.html).
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### Admin API
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Allows callers to create and manage instances, clusters, tables, and access permissions. This API is exposed by: [BigtableInstanceAdminClient](https://googleapis.dev/java/google-cloud-clients/latest/com/google/cloud/bigtable/admin/v2/BigtableInstanceAdminClient.html) for Instance and Cluster level resources.
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See [BigtableTableAdminClient](https://googleapis.dev/java/google-cloud-clients/latest/com/google/cloud/bigtable/admin/v2/BigtableTableAdminClient.html) for table management.
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See [BigtableDataClient](https://googleapis.dev/java/google-cloud-clients/latest/com/google/cloud/bigtable/data/v2/BigtableDataClient.html) for the data client.
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See [BigtableInstanceAdminClient](https://googleapis.dev/java/google-cloud-clients/latest/com/google/cloud/bigtable/admin/v2/BigtableInstanceAdminClient.html) for the instance admin client.
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See [BigtableTableAdminClient](https://googleapis.dev/java/google-cloud-clients/latest/com/google/cloud/bigtable/admin/v2/BigtableTableAdminClient.html) for the table admin client.
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#### Calling Cloud Bigtable
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The Cloud Bigtable API is split into 3 parts: Data API, Instance Admin API and Table Admin API.
Copy file name to clipboardExpand all lines: trunk/google-cloud-clients/google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/package-info.java
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