This PR completes the conversion of metrics into the Arrow v1 data model.
All unions have been removed to facilitate Parquet support.
Exemplars have been converted into independent records. The proto file has been updated accordingly.
The data model document can be updated with the following command make doc.
A mechanism of Record observer has been introduced to troubleshoot the content of the generated Arrow records. This mechanism is disabled by default, but enabled by in the benchmark tools.
This PR completes the conversion of metrics into the Arrow v1 data model.
make doc.Recordobserver has been introduced to troubleshoot the content of the generated Arrow records. This mechanism is disabled by default, but enabled by in the benchmark tools.More details in the following ER diagram.