)]}'
{
  "commit": "282eef9d050901dddae06ba8a925b05ab755dfd9",
  "tree": "c803e523acb9ff489056b5a2f9e3817dcf293603",
  "parents": [
    "f1f0d97c6928206acde976c9d222a3ffc30e411a"
  ],
  "author": {
    "name": "Bolin Lin",
    "email": "linbolin1230@gmail.com",
    "time": "Mon Apr 20 10:02:29 2026 -0400"
  },
  "committer": {
    "name": "GitHub",
    "email": "noreply@github.com",
    "time": "Mon Apr 20 22:02:29 2026 +0800"
  },
  "message": "MINOR: Add DCL to improve performance (#22098)\n\nSynchronized method will cause the process lock here every time, it\nwould be better to lock when we  actually need to create the meter,\notherwise we can just return the  existed value.\n\nReviewers: Ken Huang \u003cs7133700@gmail.com\u003e, Chia-Ping Tsai\n \u003cchia7712@gmail.com\u003e",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "83a8f50cca0d4fa817986cc63ef1116eebf341ec",
      "old_mode": 33188,
      "old_path": "clients/src/main/java/org/apache/kafka/common/metrics/Metrics.java",
      "new_id": "8cbd9996ed4801493d6d0fac118f317b870483fa",
      "new_mode": 33188,
      "new_path": "clients/src/main/java/org/apache/kafka/common/metrics/Metrics.java"
    },
    {
      "type": "modify",
      "old_id": "f9a2029d09aface92d5642b2dd00f7e46eda2215",
      "old_mode": 33188,
      "old_path": "server-common/src/main/java/org/apache/kafka/server/util/timer/TimingWheel.java",
      "new_id": "db3ac8c129a72e649e81b1792260670945b3a56d",
      "new_mode": 33188,
      "new_path": "server-common/src/main/java/org/apache/kafka/server/util/timer/TimingWheel.java"
    }
  ]
}