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new 332e68e improve the metric definition (#11602)
332e68e is described below
commit 332e68edb58a4b7ce6930365437229ec4254bd44
Author: imply-jhan <87328501+imply-j...@users.noreply.github.com>
AuthorDate: Mon Aug 16 22:31:42 2021 -0700
improve the metric definition (#11602)
---
docs/operations/metrics.md | 2 +-
.../prometheus-emitter/src/main/resources/defaultMetrics.json | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/docs/operations/metrics.md b/docs/operations/metrics.md
index 0ed0ff4..cec0af0 100644
--- a/docs/operations/metrics.md
+++ b/docs/operations/metrics.md
@@ -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. |
diff --git
a/extensions-contrib/prometheus-emitter/src/main/resources/defaultMetrics.json
b/extensions-contrib/prometheus-emitter/src/main/resources/defaultMetrics.json
index c89d41e..b2d1438 100644
---
a/extensions-contrib/prometheus-emitter/src/main/resources/defaultMetrics.json
+++
b/extensions-contrib/prometheus-emitter/src/main/resources/defaultMetrics.json
@@ -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."},
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