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new cd8b1613a35 Docs: Clarify `worker/*` metrics for Middle Managers and
Indexers (#18072)
cd8b1613a35 is described below
commit cd8b1613a3568c5b0aa7d5f19eb801ca2f1af7c9
Author: Abhishek Radhakrishnan <[email protected]>
AuthorDate: Wed Jun 4 01:58:01 2025 -0700
Docs: Clarify `worker/*` metrics for Middle Managers and Indexers (#18072)
Update the descriptions of worker/* metrics to better distinguish between
Middle Managers and Indexers, as the dimensions are different.
---
docs/operations/metrics.md | 40 ++++++++++++++++++++--------------------
1 file changed, 20 insertions(+), 20 deletions(-)
diff --git a/docs/operations/metrics.md b/docs/operations/metrics.md
index aa8f45d544e..7ac1217821d 100644
--- a/docs/operations/metrics.md
+++ b/docs/operations/metrics.md
@@ -309,26 +309,26 @@ If the JVM does not support CPU time measurement for the
current thread, `ingest
|`segment/added/bytes`|Size in bytes of new segments created.| `dataSource`,
`taskId`, `taskType`, `groupId`, `interval`, `tags`|Varies|
|`segment/moved/bytes`|Size in bytes of segments moved/archived via the Move
Task.| `dataSource`, `taskId`, `taskType`, `groupId`, `interval`, `tags`|Varies|
|`segment/nuked/bytes`|Size in bytes of segments deleted via the Kill Task.|
`dataSource`, `taskId`, `taskType`, `groupId`, `interval`, `tags`|Varies|
-|`task/success/count`|Number of successful tasks per emission period. This
metric is only available if the `TaskCountStatsMonitor` module is included.|
`dataSource`,`taskType`|Varies|
-|`task/failed/count`|Number of failed tasks per emission period. This metric
is only available if the `TaskCountStatsMonitor` module is
included.|`dataSource`,`taskType`|Varies|
-|`task/running/count`|Number of current running tasks. This metric is only
available if the `TaskCountStatsMonitor` module is
included.|`dataSource`,`taskType`|Varies|
-|`task/pending/count`|Number of current pending tasks. This metric is only
available if the `TaskCountStatsMonitor` module is
included.|`dataSource`,`taskType`|Varies|
-|`task/waiting/count`|Number of current waiting tasks. This metric is only
available if the `TaskCountStatsMonitor` module is
included.|`dataSource`,`taskType`|Varies|
-|`taskSlot/total/count`|Number of total task slots per emission period. This
metric is only available if the `TaskSlotCountStatsMonitor` module is
included.| `category`|Varies|
-|`taskSlot/idle/count`|Number of idle task slots per emission period. This
metric is only available if the `TaskSlotCountStatsMonitor` module is
included.| `category`|Varies|
-|`taskSlot/used/count`|Number of busy task slots per emission period. This
metric is only available if the `TaskSlotCountStatsMonitor` module is
included.| `category`|Varies|
-|`taskSlot/lazy/count`|Number of total task slots in lazy marked Middle
Managers and Indexers per emission period. This metric is only available if the
`TaskSlotCountStatsMonitor` module is included.| `category`|Varies|
-|`taskSlot/blacklisted/count`|Number of total task slots in blacklisted Middle
Managers and Indexers per emission period. This metric is only available if the
`TaskSlotCountStatsMonitor` module is included.| `category`|Varies|
-|`worker/task/failed/count`|Number of failed tasks run on the reporting worker
per emission period. This metric is only available if the
`WorkerTaskCountStatsMonitor` module is included, and is only supported for
Middle Manager nodes.| `category`, `workerVersion`|Varies|
-|`worker/task/success/count`|Number of successful tasks run on the reporting
worker per emission period. This metric is only available if the
`WorkerTaskCountStatsMonitor` module is included, and is only supported for
Middle Manager nodes.| `category`,`workerVersion`|Varies|
-|`worker/taskSlot/idle/count`|Number of idle task slots on the reporting
worker per emission period. This metric is only available if the
`WorkerTaskCountStatsMonitor` module is included, and is only supported for
Middle Manager nodes.| `category`, `workerVersion`|Varies|
-|`worker/taskSlot/total/count`|Number of total task slots on the reporting
worker per emission period. This metric is only available if the
`WorkerTaskCountStatsMonitor` module is included.| `category`,
`workerVersion`|Varies|
-|`worker/taskSlot/used/count`|Number of busy task slots on the reporting
worker per emission period. This metric is only available if the
`WorkerTaskCountStatsMonitor` module is included.| `category`,
`workerVersion`|Varies|
-|`worker/task/assigned/count`|Number of tasks assigned to an indexer per
emission period. This metric is only available if the
`WorkerTaskCountStatsMonitor` module is included.|`dataSource`|Varies|
-|`worker/task/completed/count`|Number of tasks completed by an indexer per
emission period. This metric is only available if the
`WorkerTaskCountStatsMonitor` module is included.|`dataSource`|Varies|
-|`worker/task/failed/count`|Number of tasks that failed on an indexer during
the emission period. This metric is only available if the
`WorkerTaskCountStatsMonitor` module is included.|`dataSource`|Varies|
-|`worker/task/success/count`|Number of tasks that succeeded on an indexer
during the emission period. This metric is only available if the
`WorkerTaskCountStatsMonitor` module is included.|`dataSource`|Varies|
-|`worker/task/running/count`|Number of tasks running on an indexer per
emission period. This metric is only available if the
`WorkerTaskCountStatsMonitor` module is included.|`dataSource`|Varies|
+|`task/success/count`|Number of successful tasks per emission period. This
metric is available only if the `TaskCountStatsMonitor` module is included.|
`dataSource`,`taskType`|Varies|
+|`task/failed/count`|Number of failed tasks per emission period. This metric
is available only if the `TaskCountStatsMonitor` module is
included.|`dataSource`,`taskType`|Varies|
+|`task/running/count`|Number of current running tasks. This metric is
available only if the `TaskCountStatsMonitor` module is
included.|`dataSource`,`taskType`|Varies|
+|`task/pending/count`|Number of current pending tasks. This metric is
available only if the `TaskCountStatsMonitor` module is
included.|`dataSource`,`taskType`|Varies|
+|`task/waiting/count`|Number of current waiting tasks. This metric is
available only if the `TaskCountStatsMonitor` module is
included.|`dataSource`,`taskType`|Varies|
+|`taskSlot/total/count`|Number of total task slots per emission period. This
metric is available only if the `TaskSlotCountStatsMonitor` module is
included.| `category`|Varies|
+|`taskSlot/idle/count`|Number of idle task slots per emission period. This
metric is available only if the `TaskSlotCountStatsMonitor` module is
included.| `category`|Varies|
+|`taskSlot/used/count`|Number of busy task slots per emission period. This
metric is available only if the `TaskSlotCountStatsMonitor` module is
included.| `category`|Varies|
+|`taskSlot/lazy/count`|Number of total task slots in lazy marked Middle
Managers and Indexers per emission period. This metric is available only if the
`TaskSlotCountStatsMonitor` module is included.| `category`|Varies|
+|`taskSlot/blacklisted/count`|Number of total task slots in blacklisted Middle
Managers and Indexers per emission period. This metric is available only if the
`TaskSlotCountStatsMonitor` module is included.| `category`|Varies|
+|`worker/task/failed/count`|Number of failed tasks run on a Middle
Manager-based worker per emission period. This metric is available only if the
`WorkerTaskCountStatsMonitor` module is included.| `category`,
`workerVersion`|Varies|
+|`worker/task/success/count`|Number of successful tasks run on a Middle
Manager-based worker per emission period. This metric is available only if the
`WorkerTaskCountStatsMonitor` module is included.|
`category`,`workerVersion`|Varies|
+|`worker/taskSlot/idle/count`|Number of idle task slots on a Middle
Manager-based worker per emission period. This metric is available only if the
`WorkerTaskCountStatsMonitor` module is included.| `category`,
`workerVersion`|Varies|
+|`worker/taskSlot/total/count`|Number of total task slots on a Middle
Manager-based worker per emission period. This metric is available only if the
`WorkerTaskCountStatsMonitor` module is included.| `category`,
`workerVersion`|Varies|
+|`worker/taskSlot/used/count`|Number of busy task slots on a Middle
Manager-based worker per emission period. This metric is available only if the
`WorkerTaskCountStatsMonitor` module is included.| `category`,
`workerVersion`|Varies|
+|`worker/task/assigned/count`|Number of tasks assigned to an Indexer-based
worker per emission period. This metric is available only if the
`WorkerTaskCountStatsMonitor` module is included.|`dataSource`|Varies|
+|`worker/task/completed/count`|Number of tasks completed by an Indexer-based
worker per emission period. This metric is available only if the
`WorkerTaskCountStatsMonitor` module is included.|`dataSource`|Varies|
+|`worker/task/failed/count`|Number of tasks that failed on an Indexer-based
worker per emission period. This metric is available only if the
`WorkerTaskCountStatsMonitor` module is included.|`dataSource`|Varies|
+|`worker/task/success/count`|Number of tasks that succeeded on an
Indexer-based worker per emission period. This metric is available only if the
`WorkerTaskCountStatsMonitor` module is included.|`dataSource`|Varies|
+|`worker/task/running/count`|Number of tasks running on an Indexer-based
worker per emission period. This metric is available only if the
`WorkerTaskCountStatsMonitor` module is included.|`dataSource`|Varies|
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