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Version: 3.2

CREATE REPOSITORY

Description​

Creates a repository in a remote storage system that is used to store data snapshots for backing up and restoring data.

CAUTION

Only users with the ADMIN privilege can create a repository.

For detailed instructions on deleting a repository, see DROP REPOSITORY.

Syntax​

CREATE [READ ONLY] REPOSITORY <repository_name>
WITH BROKER
ON LOCATION "<repository_location>"
PROPERTIES ("key"="value", ...)

Parameters​

ParameterDescription
READ ONLYCreate a read-only repository. Note that you can only restore data from a read-only repository. When creating the same repository for two clusters to migrate data, you can create a read-only repository for the new cluster and only grant it RESTORE permissions.
repository_nameRepository name. For the naming conventions, see System limits.
repository_locationLocation of the repository in the remote storage system.
PROPERTIESThe credential method for accessing the remote storage system.

PROPERTIES:

StarRocks supports creating repositories in HDFS, AWS S3, and Google GCS.

  • For HDFS:

    • "username": The username of the account that you want to use to access the NameNode of the HDFS cluster.
    • "password": The password of the account that you want to use to access the NameNode of the HDFS cluster.

  • For AWS S3:

    • "aws.s3.use_instance_profile": Whether or not to allow instance profile and assumed role as credential methods for accessing AWS S3. Default: false.

      • If you use IAM user-based credential (Access Key and Secret Key) to access AWS S3, you don't need to specify this parameter, and you need to specify "aws.s3.access_key", "aws.s3.secret_key", and "aws.s3.endpoint".
      • If you use Instance Profile to access AWS S3, you need to set this parameter to true and specify "aws.s3.region".
      • If you use Assumed Role to access AWS S3, you need to set this parameter to true and specify "aws.s3.iam_role_arn" and "aws.s3.region".

    • "aws.s3.access_key": The Access Key ID that you can use to access the Amazon S3 bucket.

    • "aws.s3.secret_key": The Secret Access Key that you can use to access the Amazon S3 bucket.

    • "aws.s3.endpoint": The endpoint that you can use to access the Amazon S3 bucket.

    • "aws.s3.iam_role_arn": The ARN of the IAM role that has privileges on the AWS S3 bucket in which your data files are stored. If you want to use assumed role as the credential method for accessing AWS S3, you must specify this parameter. Then, StarRocks will assume this role when it analyzes your Hive data by using a Hive catalog.

    • "aws.s3.region": The region in which your AWS S3 bucket resides. Example: us-west-1.

NOTE

StarRocks supports creating repositories in AWS S3 only according to the S3A protocol. Therefore, when you create repositories in AWS S3, you must replace s3:// in the S3 URI you pass as a repository location in ON LOCATION with s3a://.

  • For Google GCS:
    • "fs.s3a.access.key": The Access Key that you can use to access the Google GCS bucket.
    • "fs.s3a.secret.key": The Secret Key that you can use to access the Google GCS bucket.
    • "fs.s3a.endpoint": The endpoint that you can use to access the Google GCS bucket. Do not specify https in the endpoint address.

NOTE

StarRocks supports creating repositories in Google GCS only according to the S3A protocol. Therefore, when you create repositories in Google GCS, you must replace the prefix in the GCS URI you pass as a repository location in ON LOCATION with s3a://.

Examples​

Example 1: Create a repository named hdfs_repo in an Apache™ Hadoop® cluster.

CREATE REPOSITORY hdfs_repo
WITH BROKER
ON LOCATION "hdfs://x.x.x.x:yyyy/repo_dir/backup"
PROPERTIES(
    "username" = "xxxxxxxx",
    "password" = "yyyyyyyy"
);

Example 2: Create a read-only repository named s3_repo in the Amazon S3 bucket bucket_s3.

CREATE READ ONLY REPOSITORY s3_repo
WITH BROKER
ON LOCATION "s3a://bucket_s3/backup"
PROPERTIES(
    "aws.s3.access_key" = "XXXXXXXXXXXXXXXXX",
    "aws.s3.secret_key" = "yyyyyyyyyyyyyyyyy",
    "aws.s3.endpoint" = "s3.us-east-1.amazonaws.com"
);

Example 3: Create a repository named gcs_repo in the Google GCS bucket bucket_gcs.

CREATE REPOSITORY gcs_repo
WITH BROKER
ON LOCATION "s3a://bucket_gcs/backup"
PROPERTIES(
    "fs.s3a.access.key" = "xxxxxxxxxxxxxxxxxxxx",
    "fs.s3a.secret.key" = "yyyyyyyyyyyyyyyyyyyy",
    "fs.s3a.endpoint" = "storage.googleapis.com"
);