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dashboard: explain how the virtual disk latency is computed (#2609)

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Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
Signed-off-by: Jan-Otto Kröpke <mail@jkroepke.de>
This commit is contained in:
Jan-Otto Kröpke
2026-10-09 14:03:03 +02:00
committed by GitHub
co-authored by Claude Opus 5.5
parent 59d981b6c8
commit 1e50622ea4
2 changed files with 2 additions and 2 deletions
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contrib/mixin/dashboards/hyper_v.libsonnet
+1 -1
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@@ -278,7 +278,7 @@ b.tab(
]), ]),
b.panel.new(78, 'Virtual disk latency and errors', 'timeseries') b.panel.new(78, 'Virtual disk latency and errors', 'timeseries')
+ b.panel.withDescription('Average I/O latency of each virtual disk. Errors use the right axis.') + b.panel.withDescription('Average I/O latency of each virtual disk: the total I/O latency divided by the number of completed I/O transfers. Errors use the right axis.')
+ b.panel.withQueries([ + b.panel.withQueries([
b.query.new('rate(windows_hyperv_virtual_storage_device_io_latency_seconds_total{job=~"$job", instance="$instance"}[$__rate_interval]) / rate(windows_hyperv_virtual_storage_device_throughput_total{job=~"$job", instance="$instance"}[$__rate_interval])', 'A') b.query.new('rate(windows_hyperv_virtual_storage_device_io_latency_seconds_total{job=~"$job", instance="$instance"}[$__rate_interval]) / rate(windows_hyperv_virtual_storage_device_throughput_total{job=~"$job", instance="$instance"}[$__rate_interval])', 'A')
+ b.query.withLegendFormat('{{device}} latency'), + b.query.withLegendFormat('{{device}} latency'),
dashboard/windows-exporter-dashboard.json
+1 -1
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@@ -13328,7 +13328,7 @@
"transformations": [] "transformations": []
} }
}, },
"description": "Average I/O latency of each virtual disk. Errors use the right axis.", "description": "Average I/O latency of each virtual disk: the total I/O latency divided by the number of completed I/O transfers. Errors use the right axis.",
"id": 78, "id": 78,
"links": [], "links": [],
"title": "Virtual disk latency and errors", "title": "Virtual disk latency and errors",