Function OpenVDS::OpenWithAdaptiveCompressionRatio

inline VDSHandle OpenVDS::OpenWithAdaptiveCompressionRatio(std::string url, std::string connectionString, float waveletAdaptiveRatio, Error &error)

Open an existing VDS with adaptive compression ratio.

Parameters:

  • url – The url scheme specific to each cloud provider Available schemes are s3:// azure://

  • connectionString – The cloud provider specific connection string Specifies additional arguments for the cloud provider

  • waveletAdaptiveRatio – Wavelet adaptive ratio. This will try to read the dataset as-if it was compressed with the given ratio even if it was compressed with a lower ratio or lossless. A compression ratio of 5.0 corresponds to compressed data which is 20% of the original.

  • error – If an error occured, the error code and message will be written to this output parameter

Returns:

The VDS handle that can be used to get the VolumeDataLayout and the VolumeDataAccessManager