The [S3 input source](../../ingestion/native-batch.md#s3-input-source) is supported by the [Parallel task](../../ingestion/native-batch.md#parallel-task)
to read objects directly from S3. If you use the [Hadoop task](../../ingestion/hadoop.md),
you can read data from S3 by specifying the S3 paths in your [`inputSpec`](../../ingestion/hadoop.md#inputspec).
S3 deep storage needs to be explicitly enabled by setting `druid.storage.type=s3`. **Only after setting the storage type to S3 will any of the settings below take effect.**
|`druid.storage.archiveBucket`|S3 bucket name for archiving when running the *archive task*.|none|
|`druid.storage.archiveBaseKey`|S3 object key prefix for archiving.|none|
|`druid.storage.disableAcl`|Boolean flag to disable ACL. If this is set to `false`, the full control would be granted to the bucket owner. This may require to set additional permissions. See [S3 permissions settings](#s3-permissions-settings).|false|
|`druid.storage.useS3aSchema`|If true, use the "s3a" filesystem when using Hadoop-based ingestion. If false, the "s3n" filesystem will be used. Only affects Hadoop-based ingestion.|false|
Druid uses the following credentials provider chain to connect to your S3 bucket (whether a deep storage bucket or source bucket).
**Note :** *You can override the default credentials provider chain for connecting to source bucket by specifying an access key and secret key using [Properties Object](../../ingestion/native-batch.md#s3-input-source) parameters in the ingestionSpec.*
|2|Custom properties file| Based on custom properties file where you can supply `sessionToken`, `accessKey` and `secretKey` values. This file is provided to Druid through `druid.s3.fileSessionCredentials` properties|
|6|ECS container credentials|Based on environment variables available on AWS ECS (AWS_CONTAINER_CREDENTIALS_RELATIVE_URI or AWS_CONTAINER_CREDENTIALS_FULL_URI) as described in the [EC2ContainerCredentialsProviderWrapper documentation](https://docs.aws.amazon.com/AWSJavaSDK/latest/javadoc/com/amazonaws/auth/EC2ContainerCredentialsProviderWrapper.html)|
|7|Instance profile information|Based on the instance profile you may have attached to your druid instance|
So if you are trying to use Instance profile information, you **must not** set `druid.s3.accessKey` and `druid.s3.secretKey` in your Druid runtime.properties*
`s3:GetObject` and `s3:PutObject` are basically required for pushing/loading segments to/from S3.
If `druid.storage.disableAcl` is set to `false`, then `s3:GetBucketAcl` and `s3:PutObjectAcl` are additionally required to set ACL for objects.
### AWS region
The AWS SDK requires that the target region be specified. Two ways of doing this are by using the JVM system property `aws.region` or the environment variable `AWS_REGION`.
As an example, to set the region to 'us-east-1' through system properties:
- Add `-Daws.region=us-east-1` to the jvm.config file for all Druid services.
- Add `-Daws.region=us-east-1` to `druid.indexer.runner.javaOpts` in [Middle Manager configuration](../../configuration/index.md#middlemanager-configuration) so that the property will be passed to Peon (worker) processes.
### Connecting to S3 configuration
|Property|Description|Default|
|--------|-----------|-------|
|`druid.s3.accessKey`|S3 access key. See [S3 authentication methods](#s3-authentication-methods) for more details|Can be omitted according to authentication methods chosen.|
|`druid.s3.secretKey`|S3 secret key. See [S3 authentication methods](#s3-authentication-methods) for more details|Can be omitted according to authentication methods chosen.|
|`druid.s3.fileSessionCredentials`|Path to properties file containing `sessionToken`, `accessKey` and `secretKey` value. One key/value pair per line (format `key=value`). See [S3 authentication methods](#s3-authentication-methods) for more details |Can be omitted according to authentication methods chosen.|
|`druid.s3.protocol`|Communication protocol type to use when sending requests to AWS. `http` or `https` can be used. This configuration would be ignored if `druid.s3.endpoint.url` is filled with a URL with a different protocol.|`https`|
|`druid.s3.disableChunkedEncoding`|Disables chunked encoding. See [AWS document](https://docs.aws.amazon.com/AWSJavaSDK/latest/javadoc/com/amazonaws/services/s3/AmazonS3Builder.html#disableChunkedEncoding--) for details.|false|
|`druid.s3.enablePathStyleAccess`|Enables path style access. See [AWS document](https://docs.aws.amazon.com/AWSJavaSDK/latest/javadoc/com/amazonaws/services/s3/AmazonS3Builder.html#enablePathStyleAccess--) for details.|false|
|`druid.s3.forceGlobalBucketAccessEnabled`|Enables global bucket access. See [AWS document](https://docs.aws.amazon.com/AWSJavaSDK/latest/javadoc/com/amazonaws/services/s3/AmazonS3Builder.html#setForceGlobalBucketAccessEnabled-java.lang.Boolean-) for details.|false|
|`druid.s3.endpoint.url`|Service endpoint either with or without the protocol.|None|
|`druid.s3.endpoint.signingRegion`|Region to use for SigV4 signing of requests (e.g. us-west-1).|None|
|`druid.s3.proxy.host`|Proxy host to connect through.|None|
|`druid.s3.proxy.port`|Port on the proxy host to connect through.|None|
|`druid.s3.proxy.username`|User name to use when connecting through a proxy.|None|
|`druid.s3.proxy.password`|Password to use when connecting through a proxy.|None|
|`druid.storage.sse.type`|Server-side encryption type. Should be one of `s3`, `kms`, and `custom`. See the below [Server-side encryption section](#server-side-encryption) for more details.|None|
|`druid.storage.sse.kms.keyId`|AWS KMS key ID. This is used only when `druid.storage.sse.type` is `kms` and can be empty to use the default key ID.|None|
|`druid.storage.sse.custom.base64EncodedKey`|Base64-encoded key. Should be specified if `druid.storage.sse.type` is `custom`.|None|
