The link leads to the readthedocs. The library can be used to parallelize data processing. `AsyncIterables` can be used a data sources, and any `Callable` can b

The link leads to the readthedocs. The library can be used to parallelize data processing. `AsyncIterables` can be used a data sources, and any `Callable` can be used as a sink. RocksDB is used to preserve state. Checkpoints are used to detect stream downtimes, which will pause dependent streams until the dependency streams have recovered and have caught up.