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Amazon S3 is a popular object storage system. This guide demonstrates how to set up Cube Cloud to export logs to Amazon S3.

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Configuration

First, enable monitoring integrations in Cube Cloud.

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Exporting logs

To export logs to Amazon S3, start by creating an S3 bucket for Cube Cloud logs. Then, configure the aws_s3 sink in your vector.toml configuration file. Example configuration: 
[sinks.aws_s3]
type = "aws_s3"
inputs = [
  "cubejs-server",
  "refresh-scheduler",
  "warmup-job",
  "cubestore"
]
bucket = "your-s3-bucket-name"
region = "us-east-1"
compression = "gzip"

[sinks.aws_s3.auth]
access_key_id = "$CUBE_CLOUD_MONITORING_AWS_ACCESS_KEY_ID"
secret_access_key = "$CUBE_CLOUD_MONITORING_AWS_SECRET_ACCESS_KEY"

[sinks.aws_s3.encoding]
codec = "json"

[sinks.aws_s3.healthcheck]
enabled = false
Commit the configuration for Vector, it should take effect in a minute. Then, navigate to your S3 bucket and watch the logs coming.

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Troubleshooting

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Bucket region mismatch

You might see the following error message in Vector logs: 
The bucket you are attempting to access must be addressed using the specified
endpoint. Please send all future requests to this endpoint.
This often happens if the bucket on Amazon S3 is in a region that is different from the one you’ve specified in the configuration for Vector.