Al Chu

kvs: return ENOSYS on unfinished requests

1

Problem: When the KVS module is unloaded, any unfinished requests (get, put, wait-version, etc.) should get an ENOSYS response. That is presently not handled. Solution: Track all requests sent to...

kvs: replace list of message with msglist

1

a misc cleanups PR ... mostly wanted to pick off cleanups from multiple branches/PRs/WIPs.

libsubprocess: support flow control on writes via credits

15

Per https://github.com/flux-framework/rfc/pull/427 and discussion in #4572. Some minor tweaks to the `add-credit` RPC. I think the design in the RFC assumed multiple channels would return credits at the same time,...

flux-exec: use subprocess credits to avoid overflowing stdin buffers

1

built on top of #6353, splitting it off since it's a separate issue

depends on #6291 and #6300 flow control completed .... 64K seems like a decent number

libsubprocess: support stdin flow control

3

From #4572 > Rather than adding write responses, some kind of credit based flow control scheme seems appropriate here. For example (just brainstorming): > - change the sender so that...

libsubprocess: support stdout flow control

2

Separating this from #6291 as its a different beast and different design, and at the moment not an issue hit by users

Per discussion in #4572 > If hypothetically we just stop the watcher, we could restart it but we'd need some kind of "offset" or "seek" mechanism.

Per discussion in #4572 Problem: we do not want to overflow the size of the stdin buffer, but its possible a single stdin entry could be larger than the stdin...

kvs: ensure large values exceeding maximum rejected consistently

2

Following up #6264, it is not clear that the KVS ensures that all data is below the maximum allowed and that errors propogate correctly / consistently. For example: ``` int...