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Google Cloud Platform (GCP)

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Synopsis

Atlas supports deploying clusters onto Google Cloud Platform (GCP). This page provides reference material related to Atlas cluster deployments on GCP.

Atlas supports the following GCP regions. The Atlas Region is the corresponding region name used by the Atlas API.

GCP Region Location Atlas Region M0 Free Tier Support M2/M5 Shared-Tier Support
us-central1 Iowa, USA CENTRAL_US check square icon check square icon
us-east1 South Carolina, USA EASTERN_US    
us-east4 North Virginia, USA US_EAST_4    
northamerica-northeast1 Montreal, CA NORTH_AMERICA_NORTHEAST_1    
southamerica-east1 Sao Paulo, Brazil SOUTH_AMERICA_EAST_1    
us-west1 Oregon, USA WESTERN_US    
us-west2 Los Angeles, USA US_WEST_2    
GCP Region Location Atlas Region M0 Free Tier Support M2/M5 Shared-Tier Support
asia-east1 Taiwan EASTERN_ASIA_PACIFIC check square icon check square icon
asia-east2 Hong Kong, China ASIA_EAST_2    
asia-northeast1 Tokyo, Japan NORTHEASTERN_ASIA_PACIFIC    
asia-northeast2 Osaka, Japan ASIA_NORTHEAST_2    
asia-southeast1 Singapore SOUTHEASTERN_ASIA_PACIFIC check square icon  
asia-south1 Mumbai, India ASIA_SOUTH_1    
australia-southeast1 Sydney, Australia AUSTRALIA_SOUTHEAST_1    
GCP Region Location Atlas Region M0 Free Tier Support M2/M5 Shared-Tier Support
europe-west1 Belgium WESTERN_EUROPE check square icon check square icon
europe-north1 Finland EUROPE_NORTH_1    
europe-west2 London, UK EUROPE_WEST_2    
europe-west3 Frankfurt, Germany EUROPE_WEST_3    
europe-west4 Netherlands EUROPE_WEST_4    
europe-west6 Zurich, Switzerland EUROPE_WEST_6    

Cluster Configuration Options

Each Atlas cluster tier comes with a default set of resources. Atlas provides the following resource configuration options:

Custom Storage Size

The size of the server root volume. Atlas clusters deployed onto GCP use SSD persistent storage [1].

The following cluster tiers are available:

Cluster Tier Maximum disk storage
M0 512MB
M2 2GB
M5 5GB
M10 80GB
M20 180GB
M30 370GB
M40 750GB
M50 3TB
M60 4TB
M80 4TB
M200 4TB
M300 4TB

Workloads typically require less than 2TB.

Atlas configures the following resources automatically and does not allow user modification:

Storage Speed

The input/output operations per second (IOPS) [1] the system can perform. This value is fixed at 30 IOPS per GB for reads and 30 IOPS per GB for writes.

Example

The M30 cluster has a default storage size of 40GB and a max storage speed of 1200 max IOPS. Increasing the storage size to 100GB per cluster increases the max storage speed to ( 30 IOPS / GB * 100 GB) or 3000 IOPS.

Encrypted Storage Volumes
GCP storage volumes are always encrypted.

GCP Zones

Each GCP region includes a set number of independent zones. Each zone has power, cooling, networking, and control planes that are isolated from other zones. For regions that have at least three zones (3Z), Atlas deploys clusters across three zones. For regions that only have two zones (2Z), Atlas deploys clusters across two zones.

The Atlas Add New Cluster form marks regions that support 3Z clusters as Recommended, as they provide higher availability.

The number of zones in a region has no effect on the number of MongoDB nodes Atlas can deploy. MongoDB Atlas clusters are always made of replica sets with a minimum of three MongoDB nodes.

For general information on GCP regions and zones, see the Google documentation on regions and zones

Regions with at Least Three Zones

If the selected GCP region has at least three zones, Atlas clusters are split across three zones. For example, a three node replica set cluster would have one node deployed onto each zone.

A 3-node replica set deployed across a 3-zone GCP region.

3Z clusters have higher availability compared to 2Z clusters. However, not all regions support 3Z clusters.

[1](1, 2) For detailed documentation on Google storage options, see Storage Options.

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