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improve the metric definition (#11602)

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imply-jhan 2021-08-16 22:31:42 -07:00 committed by GitHub
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docs/operations/metrics.md
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@ -180,7 +180,7 @@ These metrics are only available if the RealtimeMetricsMonitor is included in th
|`ingest/merge/cpu`|Cpu time in Nanoseconds spent on merging intermediate segments.|dataSource, taskId, taskType.|Depends on configuration. Generally a few minutes at most.|
|`ingest/handoff/count`|Number of handoffs that happened.|dataSource, taskId, taskType.|Varies. Generally greater than 0 once every segment granular period if cluster operating normally|
|`ingest/sink/count`|Number of sinks not handoffed.|dataSource, taskId, taskType.|1~3|
|`ingest/events/messageGap`|Time gap between the data time in event and current system time.|dataSource, taskId, taskType.|Greater than 0, depends on the time carried in event |
|`ingest/events/messageGap`|Time gap in milliseconds between the latest ingested event timestamp and the current system timestamp of metrics emission. |dataSource, taskId, taskType.|Greater than 0, depends on the time carried in event |
|`ingest/notices/queueSize`|Number of pending notices to be processed by the coordinator|dataSource.|Typically 0 and occasionally in lower single digits. Should not be a very high number. |
|`ingest/notices/time`|Milliseconds taken to process a notice by the supervisor|dataSource, noticeType.| < 1s. |

2
extensions-contrib/prometheus-emitter/src/main/resources/defaultMetrics.json
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@ -42,7 +42,7 @@
"ingest/events/unparseable" : { "dimensions" : ["dataSource"], "type" : "count", "help": "Number of events rejected because the events are unparseable." },
"ingest/events/duplicate" : { "dimensions" : ["dataSource"], "type" : "count", "help": "Number of events rejected because the events are duplicated."},
"ingest/events/processed" : { "dimensions" : ["dataSource"], "type" : "count", "help": "Number of events successfully processed per emission period." },
"ingest/events/messageGap" : { "dimensions" : ["dataSource"], "type" : "gauge", "help": "Time gap between the data time in event and current system time."},
"ingest/events/messageGap" : { "dimensions" : ["dataSource"], "type" : "gauge", "help": "Time gap in milliseconds between the latest ingested event timestamp and the current system timestamp of metrics emission."},
"ingest/rows/output" : { "dimensions" : ["dataSource"], "type" : "count", "help": "Number of Druid rows persisted."},
"ingest/persists/count" : { "dimensions" : ["dataSource"], "type" : "count", "help": "Number of times persist occurred." },
"ingest/persists/time" : { "dimensions" : ["dataSource"], "type" : "timer", "conversionFactor": 1000.0, "help": "Seconds spent doing intermediate persist."},