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{
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  "tree": "4f37bcde038faabb770827d285fe0a18a975b469",
  "parents": [
    "6a7ab59184e837707c2a7b4bed205bb6b423a4f2"
  ],
  "author": {
    "name": "imbajin",
    "email": "jin@apache.org",
    "time": "Fri Oct 23 03:32:53 2026 +0800"
  },
  "committer": {
    "name": "GitHub",
    "email": "noreply@github.com",
    "time": "Fri Oct 23 03:32:53 2026 +0800"
  },
  "message": "fix(hubble): align health interpretation with PD and Server APIs (#838)\n\nPD can report Cluster_OK while partitions have PState_Fault, and Server /metrics/backend can return HTTP 200 with per-graph exceptions. Hubble previously treated both as healthy collection. This change shows PD cluster/data health separately from process status and marks backend metric failures with safe counts and actionable bilingual explanations. Cached metric values retain current failure counts; failed PD refreshes retain the last observed raw states with a stale marker.",
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