OneForOneBlockFetcher

OneForOneBlockFetcher is…​FIXME

Creating Instance

OneForOneBlockFetcher takes the following to be created:

OneForOneBlockFetcher is created when NettyBlockTransferService and ExternalShuffleClient are requested to fetch blocks.

OpenBlocks Message

OneForOneBlockFetcher creates a OpenBlocks message (for the given application, executor and blocks) when created.

The OpenBlocks message is posted when OneForOneBlockFetcher is requested to start.

start Method

void start()

start…​FIXME

start is used when NettyBlockTransferService and ExternalShuffleClient are requested to fetch blocks.