Skip to content

docs(offload): clarify LMCache MP lookup timeout scope #2407

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
kvnloo wants to merge 3 commits into from
Closed

docs(offload): clarify LMCache MP lookup timeout scope #2407

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
ac2f01a
docs(offload): correct LMCache MP server and timeout recipe
kvnloo Sep 25, 2026
ffef155
docs(offload): refresh MP timeout clarification on owner head
kvnloo Sep 26, 2026
c0df2b5
docs(offload): refresh MP timeout clarification on owner head
kvnloo Sep 27, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
8 changes: 8 additions & 0 deletions atom/kv_transfer/offload/README.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -172,6 +172,14 @@ python -m atom.entrypoints.openai_server \
}'
```

Lookup has two timeout scopes. `lmcache.mp.mq_timeout` is passed to the
LMCache scheduler/worker adapters for message-queue operations.
`lmcache.mp.lookup_timeout` starts only after lookup submission returns and
bounds ATOM's polling loop while the tier keeps returning no answer;
`lmcache.mp.lookup_poll_interval` controls the sleep between those polls.
Therefore `lookup_timeout` is not a hard wall-clock bound for a blocking
adapter submission or status call.

ATOM's configured chunk size must equal the MP server chunk size, and both must
align to ATOM's PAGE/hash block size. A native prefix is loadable only where
PAGE KV and a complete STATE checkpoint exist at the same boundary on every TP
Expand Down