tencentyun#intlcloud-documents#通过 COS 迁移数据_intl_en2

### Migrating non-HDFS files If your source file is not an HDFS file, upload it to COS via COS Console or API, and then analyze it in the EMR cluster. ### Migrating HDFS files 1. Get the COS migration tool [Get the migration tool](https://github.com/tencentyun/hdfs_to_cos_tools). For more migration tools, please see [Tool Overview](https://intl.cloud.tencent.com/document/product/436/6242). 2. Configuring the tool All configuration files are stored in the conf directory of the tool directory. Copy the core-site.xml file of the HDFS cluster to be synced to conf, which contains the configuration information of the NameNode. Edit the configuration file cos_info.conf by including your appid, bucket, region, and key information. 3. Command parameter descriptions ``` -ak the cos secret id -appid,--appid the cos appid -bucket,--bucket the cos bucket name -cos_info_file,--cos_info_file the cos user info config default is ./conf/cos_info.conf -cos_path,--cos_path the absolute cos folder path -h,--help print help message -hdfs_conf_file,--hdfs_conf_file the hdfs info config default is ./conf/core-site.xml -hdfs_path,--hdfs_path the hdfs path -region,--region the cos re