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What this PR does:
The "Disk Writes" and "Disk Reads" panels are showing incorrect numbers because we currently sum node_disk_written_bytes_total and node_disk_read_bytes_total metrics by device only and not by device + node, so basically if a pod is using sdb we show the sum of sdb across all nodes.

This PR fixes it (I've manually tested it in our infra).

Which issue(s) this PR fixes:
N/A

Checklist

  • CHANGELOG.md updated - the order of entries should be [CHANGE], [FEATURE], [ENHANCEMENT], [BUGFIX]

@pracucci pracucci requested a review from a team as a code owner March 23, 2021 17:31
Signed-off-by: Marco Pracucci <[email protected]>
@pracucci pracucci merged commit 129a378 into main Mar 23, 2021
@pracucci pracucci deleted the fix-node-disk-panels branch March 23, 2021 17:37
simonswine pushed a commit to grafana/mimir that referenced this pull request Oct 18, 2021
…isk-panels

Fixed "Disk Writes" and "Disk Reads" panels
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2 participants