fix: alert on RDMA hard receive budget - #365
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Problem
DfkvRdmaReceiveSegmentLowdivides unleased bytes by currently committed lazy chunks. Healthy pools therefore fire whenever a committed chunk is >90% occupied, even with most of the hard budget still available.INC #C5ECD7 observed 6.39%-9.38% committed-chunk free while the affected xb01 ring retained 89.78%-92.54% hard-budget headroom, with zero growth/allocation failures.
Change
(max_bytes - used_bytes) / max_bytesVerification
python3 test/python/test_observability_contract.py(5 tests, OK)promtool check rulesagainst the hotfixed xb01 rule file (26 rules, SUCCESS)