{
  "id": "elasticsearch/ingest-pipeline-grok-timeout",
  "signature": "IngestProcessorException: pipeline [my_pipeline] processor [grok] failed with message [grok pattern [%{GREEDYDATA:message}] timed out after [5000ms]]",
  "signature_zh": "摄取处理器异常：管道 [my_pipeline] 处理器 [grok] 失败，消息为 [grok 模式 [%{GREEDYDATA:message}] 超时 [5000ms]]",
  "regex": "IngestProcessorException: pipeline \\[.*?\\] processor \\[grok\\] failed with message \\[grok pattern \\[.*?\\] timed out after \\[\\d+ms\\]\\]",
  "domain": "elasticsearch",
  "category": "runtime_error",
  "subcategory": null,
  "root_cause": "A grok pattern in an ingest pipeline takes too long to match due to complex regex or large input data, exceeding the default timeout.",
  "root_cause_type": "generic",
  "root_cause_zh": "由于复杂的正则表达式或输入数据过大，摄取管道中的 grok 模式匹配耗时过长，超过默认超时时间。",
  "versions": [
    {
      "version": "7.17.0",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "8.11.0",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "8.12.0",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "Masks the problem but doesn't fix pattern inefficiency; can cause pipeline backpressure and node resource exhaustion.",
      "fail_rate": 0.7,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "Loses parsing functionality, leading to unparsed raw data and downstream analysis issues.",
      "fail_rate": 0.9,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Optimize the grok pattern by replacing `%{GREEDYDATA}` with more specific patterns (e.g., `%{DATA}` or `%{TIMESTAMP_ISO8601}`) and using anchors like `^` and `$`.",
      "success_rate": 0.85,
      "how": "Optimize the grok pattern by replacing `%{GREEDYDATA}` with more specific patterns (e.g., `%{DATA}` or `%{TIMESTAMP_ISO8601}`) and using anchors like `^` and `$`.",
      "condition": "",
      "sources": []
    },
    {
      "action": "Set `ignore_failure: true` on the grok processor to skip failures on problematic documents, and add a `set` processor to flag unparsed fields.",
      "success_rate": 0.8,
      "how": "Set `ignore_failure: true` on the grok processor to skip failures on problematic documents, and add a `set` processor to flag unparsed fields.",
      "condition": "",
      "sources": []
    },
    {
      "action": "Use `POST _ingest/pipeline/_simulate` to test patterns on sample data and identify performance bottlenecks.",
      "success_rate": 0.9,
      "how": "Use `POST _ingest/pipeline/_simulate` to test patterns on sample data and identify performance bottlenecks.",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [
    "Optimize the grok pattern by replacing `%{GREEDYDATA}` with more specific patterns (e.g., `%{DATA}` or `%{TIMESTAMP_ISO8601}`) and using anchors like `^` and `$`.",
    "Set `ignore_failure: true` on the grok processor to skip failures on problematic documents, and add a `set` processor to flag unparsed fields.",
    "Use `POST _ingest/pipeline/_simulate` to test patterns on sample data and identify performance bottlenecks."
  ],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": "https://www.elastic.co/guide/en/elasticsearch/reference/current/grok-processor.html",
  "official_doc_section": null,
  "error_code": "ES_INGEST_GROK_TIMEOUT",
  "verification_tier": "ai_generated",
  "confidence": 0.87,
  "fix_success_rate": 0.84,
  "resolvable": "true",
  "first_seen": "2024-11-10",
  "last_confirmed": "2024-06-01",
  "last_updated": "2024-06-01",
  "evidence_count": 1,
  "tags": [],
  "locale": "en",
  "aliases": []
}