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The following commit(s) were added to refs/heads/master by this push:
new 5c26f43a4ea Fix GROUP BY metrics table (#17746)
5c26f43a4ea is described below
commit 5c26f43a4eac8708f60fa0aeb06450933bdd57fe
Author: Peter Marshall <[email protected]>
AuthorDate: Sat Feb 22 10:18:13 2025 +0000
Fix GROUP BY metrics table (#17746)
Restored the table header that was causing a markdown render issue.
---
docs/operations/metrics.md | 2 ++
1 file changed, 2 insertions(+)
diff --git a/docs/operations/metrics.md b/docs/operations/metrics.md
index 7e033b1933a..ba74079de39 100644
--- a/docs/operations/metrics.md
+++ b/docs/operations/metrics.md
@@ -122,6 +122,8 @@ Most metric values reset each emission period, as specified
in `druid.monitoring
These metrics are reported from broker, historical and real-time nodes
+|Metric|Description|Normal value|
+|------|-----------|------------|
|`mergeBuffer/pendingRequests`|Number of requests waiting to acquire a batch
of buffers from the merge buffer pool.|This metric is only available if the
`GroupByStatsMonitor` module is included.|Should be ideally 0, though a higher
number isn't representative of a problem.|
|`mergeBuffer/used`|Number of merge buffers used from the merge buffer
pool.|This metric is only available if the `GroupByStatsMonitor` module is
included.|Depends on the number of groupBy queries needing merge buffers.|
|`mergeBuffer/queries`|Number of groupBy queries that acquired a batch of
buffers from the merge buffer pool.|This metric is only available if the
`GroupByStatsMonitor` module is included.|Depends on the number of groupBy
queries needing merge buffers.|
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