DownloadPackage searches for the specified package entry across all mirrors defined in OB_MIRRORS and downloads the first match to the destination directory.

将Obshell安装到指定的服务器上, 自会将obshell RPM包.

SearchPackage searches for packages that match the provided package entry across all mirrors defined in OB_MIRRORS.

The size of each sftp chunked transfer, default is 64M.

Base mirrors.

Mirrors.

The maximum number of parallel SFTP transfers to avoid exceeding the MaxSessions limit.

Since using in-memory backup for small files results in higher batch transfer efficiency, only files larger than SCP_THRESHOLD will be transferred using SCP.

Unlike the Python SDK, the Go SDK does not use rsync by default, but instead uses sftp for chunked transfer.