pub const DEMAND_WINDOW_BLOCKS: u64 = 8;Expand description
Number of blocks per streamed fetch window used by stream_ranges. At the
default 1 MiB block size, 8 blocks (8 MiB) matches one coalesced origin
GET run (DEFAULT_MAX_COALESCED_GET_BYTES), with buffered(2) giving
modest pipeline overlap. This bounds peak in-flight memory per stream to
roughly 2 * DEMAND_WINDOW_BLOCKS * block_size, independent of how large
the requested range is.