CREATE-REPOSITORY
CREATE-REPOSITORY
Name
CREATE REPOSITORY
Description
该语句用于创建仓库。仓库用于属于备份或恢复。仅 root 或 superuser 用户可以创建仓库。
语法:
CREATE [READ ONLY] REPOSITORY `repo_name`
WITH [BROKER `broker_name`|S3|hdfs]
ON LOCATION `repo_location`
PROPERTIES ("key"="value", ...);
说明:
- 仓库的创建,依赖于已存在的 broker 或者直接通过 AWS s3 协议访问云存储,或者直接访问 HDFS
- 如果是只读仓库,则只能在仓库上进行恢复。如果不是,则可以进行备份和恢复操作。
- 根据 broker 或者 S3、hdfs 的不同类型,PROPERTIES 有所不同,具体见示例。
- ON LOCATION ,如果是 S3 , 这里后面跟的是 Bucket Name。
Example
- 创建名为 bos_repo 的仓库,依赖 BOS broker "bos_broker",数据根目录为:bos://palo_backup
CREATE REPOSITORY `bos_repo`
WITH BROKER `bos_broker`
ON LOCATION "bos://palo_backup"
PROPERTIES
(
"bos_endpoint" = "http://gz.bcebos.com",
"bos_accesskey" = "bos_accesskey",
"bos_secret_accesskey"="bos_secret_accesskey"
);
- 创建和示例 1 相同的仓库,但属性为只读:
CREATE READ ONLY REPOSITORY `bos_repo`
WITH BROKER `bos_broker`
ON LOCATION "bos://palo_backup"
PROPERTIES
(
"bos_endpoint" = "http://gz.bcebos.com",
"bos_accesskey" = "bos_accesskey",
"bos_secret_accesskey"="bos_accesskey"
);
- 创建名为 hdfs_repo 的仓库,依赖 Baidu hdfs broker "hdfs_broker",数据根目录为:hdfs://hadoop-name-node:54310/path/to/repo/
CREATE REPOSITORY `hdfs_repo`
WITH BROKER `hdfs_broker`
ON LOCATION "hdfs://hadoop-name-node:54310/path/to/repo/"
PROPERTIES
(
"username" = "user",
"password" = "password"
);
- 创建名为 s3_repo 的仓库,直接链接云存储,而不通过 broker.
CREATE REPOSITORY `s3_repo`
WITH S3
ON LOCATION "s3://s3-repo"
PROPERTIES
(
"AWS_ENDPOINT" = "http://s3-REGION.amazonaws.com",
"AWS_ACCESS_KEY" = "AWS_ACCESS_KEY",
"AWS_SECRET_KEY"="AWS_SECRET_KEY",
"AWS_REGION" = "REGION"
);
- 创建名为 hdfs_repo 的仓库,直接链接 HDFS,而不通过 broker.
CREATE REPOSITORY `hdfs_repo`
WITH hdfs
ON LOCATION "hdfs://hadoop-name-node:54310/path/to/repo/"
PROPERTIES
(
"fs.defaultFS"="hdfs://hadoop-name-node:54310",
"hadoop.username"="user"
);
- 创建名为 minio_repo 的仓库,直接通过 s3 协议链接 minio.
CREATE REPOSITORY `minio_repo`
WITH S3
ON LOCATION "s3://minio_repo"
PROPERTIES
(
"AWS_ENDPOINT" = "http://minio.com",
"AWS_ACCESS_KEY" = "MINIO_USER",
"AWS_SECRET_KEY"="MINIO_PASSWORD",
"AWS_REGION" = "REGION",
"use_path_style" = "true"
);
- 使用临时秘钥创建名为 minio_repo 的仓库
CREATE REPOSITORY `minio_repo`
WITH S3
ON LOCATION "s3://minio_repo"
PROPERTIES
(
"AWS_ENDPOINT" = "AWS_ENDPOINT",
"AWS_ACCESS_KEY" = "AWS_TEMP_ACCESS_KEY",
"AWS_SECRET_KEY" = "AWS_TEMP_SECRET_KEY",
"AWS_TOKEN" = "AWS_TEMP_TOKEN",
"AWS_REGION" = "AWS_REGION"
)
- 使用腾讯云 COS 创建仓库
CREATE REPOSITORY `cos_repo`
WITH S3
ON LOCATION "s3://backet1/"
PROPERTIES
(
"AWS_ACCESS_KEY" = "ak",
"AWS_SECRET_KEY" = "sk",
"AWS_ENDPOINT" = "http://cos.ap-beijing.myqcloud.com",
"AWS_REGION" = "ap-beijing"
);
Keywords
CREATE, REPOSITORY
Best Practice
- 一个集群可以创建过多个仓库。只有拥有 ADMIN 权限的用户才能创建仓库。
- 任何用户都可以通过 SHOW REPOSITORIES 命令查看已经创建的仓库。
- 在做数据迁移操作时,需要在源集群和目的集群创建完全相同的仓库,以便目的集群可以通过这个仓库,查看到源集群备份的数据快照。