presto-local-file/src/main/java/io/prestosql/plugin/localfile/LocalFileSplitManager.java/LocalFileSplitManager/getSplits
class LocalFileSplitManager:    @Override
    public ConnectorSplitSource getSplits(ConnectorTransactionHandle transactionHandle, ConnectorSession session, ConnectorTableHandle table, SplitSchedulingStrategy splitSchedulingStrategy)
    {
        List<ConnectorSplit> splits = nodeManager.getAllNodes().stream()
                .map(node -> new LocalFileSplit(node.getHostAndPort()))
                .collect(Collectors.toList());

        return new FixedSplitSource(splits);
    }