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InfluxDB OSS v2

Prometheus 指标解析格式

Prometheus 格式的指标被解析并以两种格式之一写入 InfluxDB，具体取决于使用的抓取工具

抓取工具和解析格式

抓取工具InfluxDB 指标版本
Telegraf Prometheus 插件由 metric_version 配置选项确定
InfluxDB 抓取器1
Flux prometheus.scrape()2

指标版本 1

  • _time: 时间戳
  • _measurement: Prometheus 指标名称 (_bucket、_sum 和 _count 从直方图和摘要指标名称中修剪掉)
  • _field: 取决于 Prometheus 指标类型
    • 计数器: counter
    • 仪表: gauge
    • 直方图: 直方图存储桶上限, count, sum
    • 摘要: 摘要分位数, count, sum
  • _value: Prometheus 指标值
  • tags: 每个 Prometheus 标签 的标签 (直方图存储桶上限 (le) 或摘要分位数 (quantile) 除外)。标签名称是标签键，标签值是标签值。

Prometheus 查询结果示例

以下是从 InfluxDB OSS 2.x /metrics 端点抓取的 Prometheus 指标示例

# HELP go_memstats_alloc_bytes_total Total number of bytes allocated, even if freed.
# TYPE go_memstats_alloc_bytes_total counter
go_memstats_alloc_bytes_total 1.42276424e+09
# HELP go_memstats_buck_hash_sys_bytes Number of bytes used by the profiling bucket hash table.
# TYPE go_memstats_buck_hash_sys_bytes gauge
go_memstats_buck_hash_sys_bytes 5.259247e+06
# HELP task_executor_run_latency_seconds Records the latency between the time the run was due to run and the time the task started execution, by task type
# TYPE task_executor_run_latency_seconds histogram
task_executor_run_latency_seconds_bucket{task_type="system",le="0.25"} 4413
task_executor_run_latency_seconds_bucket{task_type="system",le="0.5"} 11901
task_executor_run_latency_seconds_bucket{task_type="system",le="1"} 12565
task_executor_run_latency_seconds_bucket{task_type="system",le="2.5"} 12823
task_executor_run_latency_seconds_bucket{task_type="system",le="5"} 12844
task_executor_run_latency_seconds_bucket{task_type="system",le="10"} 12864
task_executor_run_latency_seconds_bucket{task_type="system",le="+Inf"} 74429
task_executor_run_latency_seconds_sum{task_type="system"} 4.256783538679698e+11
task_executor_run_latency_seconds_count{task_type="system"} 74429
# HELP task_executor_run_duration The duration in seconds between a run starting and finishing.
# TYPE task_executor_run_duration summary
task_executor_run_duration{taskID="00xx0Xx0xx00XX0x0",task_type="threshold",quantile="0.5"} 5.178160855
task_executor_run_duration{taskID="00xx0Xx0xx00XX0x0",task_type="threshold",quantile="0.9"} 5.178160855
task_executor_run_duration{taskID="00xx0Xx0xx00XX0x0",task_type="threshold",quantile="0.99"} 5.178160855
task_executor_run_duration_sum{taskID="00xx0Xx0xx00XX0x0",task_type="threshold"} 2121.9758301650004
task_executor_run_duration_count{taskID="00xx0Xx0xx00XX0x0",task_type="threshold"} 570

生成的行协议

go_memstats_alloc_bytes_total counter=1.42276424e+09
go_memstats_buck_hash_sys_bytes gauge=5.259247e+06
task_executor_run_latency_seconds,task_type=system 0.25=4413,0.5=11901,1=12565,2.5=12823,5=12844,10=12864,+Inf=74429,sum=4.256783538679698e+11,count=74429
task_executor_run_duration,taskID=00xx0Xx0xx00XX0x0,task_type=threshold 0.5=5.178160855,0.9=5.178160855,0.99=5.178160855,sum=2121.9758301650004,count=570

从 InfluxDB 查询时查看版本 1 表格

指标版本 2

Prometheus 查询结果示例

以下是从 InfluxDB OSS 2.x /metrics 端点抓取的 Prometheus 指标示例

# HELP go_memstats_alloc_bytes_total Total number of bytes allocated, even if freed.
# TYPE go_memstats_alloc_bytes_total counter
go_memstats_alloc_bytes_total 1.42276424e+09
# HELP go_memstats_buck_hash_sys_bytes Number of bytes used by the profiling bucket hash table.
# TYPE go_memstats_buck_hash_sys_bytes gauge
go_memstats_buck_hash_sys_bytes 5.259247e+06
# HELP task_executor_run_latency_seconds Records the latency between the time the run was due to run and the time the task started execution, by task type
# TYPE task_executor_run_latency_seconds histogram
task_executor_run_latency_seconds_bucket{task_type="system",le="0.25"} 4413
task_executor_run_latency_seconds_bucket{task_type="system",le="0.5"} 11901
task_executor_run_latency_seconds_bucket{task_type="system",le="1"} 12565
task_executor_run_latency_seconds_bucket{task_type="system",le="2.5"} 12823
task_executor_run_latency_seconds_bucket{task_type="system",le="5"} 12844
task_executor_run_latency_seconds_bucket{task_type="system",le="10"} 12864
task_executor_run_latency_seconds_bucket{task_type="system",le="+Inf"} 74429
task_executor_run_latency_seconds_sum{task_type="system"} 4.256783538679698e+11
task_executor_run_latency_seconds_count{task_type="system"} 74429
# HELP task_executor_run_duration The duration in seconds between a run starting and finishing.
# TYPE task_executor_run_duration summary
task_executor_run_duration{taskID="00xx0Xx0xx00XX0x0",task_type="threshold",quantile="0.5"} 5.178160855
task_executor_run_duration{taskID="00xx0Xx0xx00XX0x0",task_type="threshold",quantile="0.9"} 5.178160855
task_executor_run_duration{taskID="00xx0Xx0xx00XX0x0",task_type="threshold",quantile="0.99"} 5.178160855
task_executor_run_duration_sum{taskID="00xx0Xx0xx00XX0x0",task_type="threshold"} 2121.9758301650004
task_executor_run_duration_count{taskID="00xx0Xx0xx00XX0x0",task_type="threshold"} 570

生成的行协议

prometheus,url=http://localhost:8086/metrics go_memstats_alloc_bytes_total=1.42276424e+09
prometheus,url=http://localhost:8086/metrics go_memstats_buck_hash_sys_bytes=5.259247e+06
prometheus,url=http://localhost:8086/metrics,task_type=system,le=0.25 task_executor_run_latency_seconds=4413
prometheus,url=http://localhost:8086/metrics,task_type=system,le=0.5 task_executor_run_latency_seconds=11901
prometheus,url=http://localhost:8086/metrics,task_type=system,le=1 task_executor_run_latency_seconds=12565
prometheus,url=http://localhost:8086/metrics,task_type=system,le=2.5 task_executor_run_latency_seconds=12823
prometheus,url=http://localhost:8086/metrics,task_type=system,le=5 task_executor_run_latency_seconds=12844
prometheus,url=http://localhost:8086/metrics,task_type=system,le=10 task_executor_run_latency_seconds=12864
prometheus,url=http://localhost:8086/metrics,task_type=system,le=+Inf task_executor_run_latency_seconds=74429
prometheus,url=http://localhost:8086/metrics,task_type=system task_executor_run_latency_seconds_sum=4.256783538679698e+11
prometheus,url=http://localhost:8086/metrics,task_type=system task_executor_run_latency_seconds_count=74429
prometheus,url=http://localhost:8086/metrics,taskID=00xx0Xx0xx00XX0x0,task_type=threshold quantile=0.5 task_executor_run_duration=5.178160855
prometheus,url=http://localhost:8086/metrics,taskID=00xx0Xx0xx00XX0x0,task_type=threshold quantile=0.9 task_executor_run_duration=5.178160855
prometheus,url=http://localhost:8086/metrics,taskID=00xx0Xx0xx00XX0x0,task_type=threshold quantile=0.99 task_executor_run_duration=5.178160855
prometheus,url=http://localhost:8086/metrics,taskID=00xx0Xx0xx00XX0x0,task_type=threshold task_executor_run_duration_sum=2121.9758301650004
prometheus,url=http://localhost:8086/metrics,taskID=00xx0Xx0xx00XX0x0,task_type=threshold task_executor_run_duration_count=570

从 InfluxDB 查询时查看版本 2 表格

prometheus

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