)]}'
{
  "commit": "ff27f4d66f2eb8b1a80e1af0b70e5f73b290d92c",
  "tree": "eb3f4dfab2d4f8a842248ae6f8e878b76936a951",
  "parents": [
    "650ddb1498338717a347335f12fcf0ddc14f2d2b"
  ],
  "author": {
    "name": "Yun Peng",
    "email": "pcloudy@google.com",
    "time": "Thu Aug 20 13:58:18 2026 +0200"
  },
  "committer": {
    "name": "GitHub",
    "email": "noreply@github.com",
    "time": "Thu Aug 20 13:58:18 2026 +0200"
  },
  "message": "Switch arm64 instance groups to c4a-standard-8 (#2807)\n\nSwitch ARM64 instance groups from `c4a-standard-8-lssd` to standard\n`c4a-standard-8`.\n\nThe instances already use `hyperdisk-balanced` with\n`startup-docker-pdssd.sh` and do not mount or format the attached Local\nSSD. Using the `-lssd` variant causes zone capacity exhaustion\n(`ZONE_RESOURCE_POOL_EXHAUSTED`) in `us-central1-c` and local SSD quota\nexhaustion.\n\nAlso increased the testing machines to 10",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "514008f1b1d4d9d3e0d8ac969a56c06ba3c1c990",
      "old_mode": 33188,
      "old_path": "buildkite/instances.yml",
      "new_id": "26942ff9bc7cc76aa4c6918579228f7ba222b14a",
      "new_mode": 33188,
      "new_path": "buildkite/instances.yml"
    }
  ]
}