Bun.serve: apply TCP backpressure to a request body the handler reads slowly - #36006

Merged

Jarred-Sumner merged 15 commits into

mainfrom

farm/b04e5c23/serve-request-body-backpressure

Jul 27, 2026

Commits on Jul 26, 2026

Bun.serve: apply TCP backpressure to a request body the handler reads slowly
robobun
committed
44157e2
test: dedupe the request-body backpressure client helper; widen .arrayBuffer body past loopback socket buffers
robobun
committed
2328caf
tighten request-body backpressure comments
robobun
committed
4eb1636
collapse request-body backpressure comments to one line each
robobun
committed
4e88302
resume request body for ByteStream buffer_action consumers and the already-responded-stream teardown path
robobun
committed
adf72bd
collapse end_already_responded_stream resume comment to one line
robobun
committed
18f562d
drop stale u16 width note on the FlagsBits comment
robobun
committed
fa95bc4
fire on_start_buffering from Bun.write's Locked-body path and resume the socket in the sink's end_from_js
robobun
committed
5909201
collapse streams.rs resume comment to one line
robobun
committed
6eea56b
resume the socket in uWS markDone() instead of per-sink entry point
robobun
committed
e89fc9e
gate markDone's resume on !HTTP_NODE_READS_PAUSED and skip the drain-callback resume once the sink has ended
robobun
committed
fe928f4
move the ended-response resume out of uWS and guard every resume site at the owning layer
robobun
committed
aa66a73
inline the sink.ended_response check in the drain callback via raw ptr; spot-check Bun.write test output bytes
robobun
committed
0b69a42

Commits on Jul 27, 2026