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amazon-s3.md

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This guide shows you how to import data from files stored in Amazon S3.

Amazon S3

Enable the Amazon S3 file system backend by including the pinot-s3 plugin. In the controller or server configuration, add the config:

-Dplugins.dir=/opt/pinot/plugins -Dplugins.include=pinot-s3

{% hint style="info" %} By default Pinot loads all the plugins, so you can just drop this plugin there. Also, if you specify -Dplugins.include, you need to put all the plugins you want to use, e.g. pinot-json, pinot-avro , pinot-kafka-2.0... {% endhint %}

You can configure the S3 file system using the following options:

Configuration Description
region The AWS Data center region in which the bucket is located
accessKey (Optional) AWS access key required for authentication. This should only be used for testing purposes as we don't store these keys in secret.
secretKey (Optional) AWS secret key required for authentication. This should only be used for testing purposes as we don't store these keys in secret.

endpoint

 (Optional) Override endpoint for s3 client.

disableAcl

 If this is set tofalse, bucket owner is granted full access to the objects created by pinot. Default value is true.
serverSideEncryption (Optional) The server-side encryption algorithm used when storing this object in Amazon S3 (Now supports aws:kms), set to null to disable SSE.
ssekmsKeyId (Optional, but required when serverSideEncryption=aws:kms) Specifies the AWS KMS key ID to use for object encryption. All GET and PUT requests for an object protected by AWS KMS will fail if not made via SSL or using SigV4.
ssekmsEncryptionContext (Optional) Specifies the AWS KMS Encryption Context to use for object encryption. The value of this header is a base64-encoded UTF-8 string holding JSON with the encryption context key-value pairs.

Each of these properties should be prefixed by pinot.[node].storage.factory.s3. where node is either controller or server depending on the config

e.g.

pinot.controller.storage.factory.s3.region=ap-southeast-1

S3 Filesystem supports authentication using the DefaultCredentialsProviderChain. The credential provider looks for the credentials in the following order -

  • Environment Variables - AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY (RECOMMENDED since they are recognized by all the AWS SDKs and CLI except for .NET), or AWS_ACCESS_KEY and AWS_SECRET_KEY (only recognized by Java SDK)
  • Java System Properties - aws.accessKeyId and aws.secretKey
  • Web Identity Token credentials from the environment or container
  • Credential profiles file at the default location (~/.aws/credentials) shared by all AWS SDKs and the AWS CLI
  • Credentials delivered through the Amazon EC2 container service if AWS_CONTAINER_CREDENTIALS_RELATIVE_URI environment variable is set and security manager has permission to access the variable,
  • Instance profile credentials delivered through the Amazon EC2 metadata service

You can also specify the accessKey and secretKey using the properties. However, this method is not secure and should be used only for POC setups.

Examples

Job spec

executionFrameworkSpec:
    name: 'standalone'
    segmentGenerationJobRunnerClassName: 'org.apache.pinot.plugin.ingestion.batch.standalone.SegmentGenerationJobRunner'
    segmentTarPushJobRunnerClassName: 'org.apache.pinot.plugin.ingestion.batch.standalone.SegmentTarPushJobRunner'
    segmentUriPushJobRunnerClassName: 'org.apache.pinot.plugin.ingestion.batch.standalone.SegmentUriPushJobRunner'
jobType: SegmentCreationAndTarPush
inputDirURI: 's3://pinot-bucket/pinot-ingestion/batch-input/'
outputDirURI: 's3://pinot-bucket/pinot-ingestion/batch-output/'
overwriteOutput: true
pinotFSSpecs:
    - scheme: s3
      className: org.apache.pinot.plugin.filesystem.S3PinotFS
      configs:
        region: 'ap-southeast-1'
recordReaderSpec:
    dataFormat: 'csv'
    className: 'org.apache.pinot.plugin.inputformat.csv.CSVRecordReader'
    configClassName: 'org.apache.pinot.plugin.inputformat.csv.CSVRecordReaderConfig'
tableSpec:
    tableName: 'students'
pinotClusterSpecs:
    - controllerURI: 'http://localhost:9000'

Controller config

controller.data.dir=s3://path/to/data/directory/
controller.local.temp.dir=/path/to/local/temp/directory
controller.enable.split.commit=true
pinot.controller.storage.factory.class.s3=org.apache.pinot.plugin.filesystem.S3PinotFS
pinot.controller.storage.factory.s3.region=ap-southeast-1
pinot.controller.segment.fetcher.protocols=file,http,s3
pinot.controller.segment.fetcher.s3.class=org.apache.pinot.common.utils.fetcher.PinotFSSegmentFetcher

Server config

pinot.server.instance.enable.split.commit=true
pinot.server.storage.factory.class.s3=org.apache.pinot.plugin.filesystem.S3PinotFS
pinot.server.storage.factory.s3.region=ap-southeast-1
pinot.server.storage.factory.s3.httpclient.maxConnections=50
pinot.server.storage.factory.s3.httpclient.socketTimeout=30s
pinot.server.storage.factory.s3.httpclient.connectionTimeout=2s
pinot.server.storage.factory.s3.httpclient.connectionTimeToLive=0s
pinot.server.storage.factory.s3.httpclient.connectionAcquisitionTimeout=10s
pinot.server.segment.fetcher.protocols=file,http,s3
pinot.server.segment.fetcher.s3.class=org.apache.pinot.common.utils.fetcher.PinotFSSegmentFetcher

Minion config

pinot.minion.storage.factory.class.s3=org.apache.pinot.plugin.filesystem.S3PinotFS
pinot.minion.storage.factory.s3.region=ap-southeast-1
pinot.minion.segment.fetcher.protocols=file,http,s3
pinot.minion.segment.fetcher.s3.class=org.apache.pinot.common.utils.fetcher.PinotFSSegmentFetcher