Files
sglang/test/registered
laoyao0822andOmX dfa168abe9 Prevent duplicate CP HiCache write acks from crashing split drain
CP per-layer write-through can leave duplicated ready ack ids in the
ack queue while pending-split insertion drains write visibility. The
pre-scan observed both duplicates as registered before the first
completion removed radix state, so the second completion raised KeyError
and killed the scheduler.

The write-check path now records completed ack ids until matching queue
entries are drained. Duplicate completed acks are removed with a warning,
while genuinely unknown or unregistered acks still fail fast.

Constraint: CP HiCache pending-split drain may call writing_check outside the normal idle event path.
Rejected: Blind pop(..., None) for all unknown acks | would silently hide truly unattached or corrupt ack state.
Confidence: high
Scope-risk: moderate
Directive: Do not remove the completed-ack short-term memory unless duplicate and stale ack queues are proven impossible across TP MIN synchronization.
Tested: Local py_compile for hiradix_cache.py and test_cp_hicache_metadata.py.
Tested: Remote cjy-glm5-new py_compile and full test_cp_hicache_metadata.py, 121 passed.
Not-tested: Full ETE prefill workload after restarting service.
Co-authored-by: OmX <omx@oh-my-codex.dev>
2026-06-11 17:46:22 +08:00
..
2026-03-21 17:10:35 +08:00

Registered Tests

Tests under this directory are auto-discovered by run_suite.py via CI registration decorators.

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