There are some values that looks just wrong (zeroes) in our new stackable metrics: https://grafana.wikimedia.org/dashboard/db/performance-metrics?refresh=5m&orgId=1 (compare with the old one).
See also:
Description
Description
Details
Details
Customize query in gerrit
| Status | Subtype | Assigned | Task | ||
|---|---|---|---|---|---|
| Declined | None | T99060 Create a dashboard of key user-centric metrics | |||
| Resolved | Peter | T104902 Refactor Navigation Timing gathering to produce reliable stackable measures (aka "frontend.navtiming2") | |||
| Duplicate | Peter | T178479 Investigate navtiming2 values |
Event Timeline
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I think the change here is because right now show the median, and the DNS median time is 0. If I change to mean/p-high instead I see the metrics are reported. So how do we wanna do this?
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Bugs:
- Server-side is adding 0 for dns, unload and redirect even for non-navtiming clients.
- Client-side is still filtering out zero-values for all metrics.
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Change 386071 had a related patch set uploaded (by Phedenskog; owner: Phedenskog):
[operations/puppet@production] Remove zeroes for non existing values
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Change 386074 had a related patch set uploaded (by Phedenskog; owner: Phedenskog):
[mediawiki/extensions/NavigationTiming@master] Do not filter out zero values.
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Change 386071 merged by Dzahn:
[operations/puppet@production] webperf: Remove zeroes for non existing navtiming values
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Change 386247 had a related patch set uploaded (by Krinkle; owner: Phedenskog):
[mediawiki/extensions/NavigationTiming@wmf/1.31.0-wmf.5] Do not filter out zero values.
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Change 386074 merged by jenkins-bot:
[mediawiki/extensions/NavigationTiming@master] Do not filter out zero values.
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Change 386247 merged by jenkins-bot:
[mediawiki/extensions/NavigationTiming@wmf/1.31.0-wmf.5] Do not filter out zero values.
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Change 387534 had a related patch set uploaded (by Phedenskog; owner: Phedenskog):
[mediawiki/extensions/NavigationTiming@master] Send value zero for unload and redirecting.
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Change 387915 had a related patch set uploaded (by Krinkle; owner: Phedenskog):
[mediawiki/extensions/NavigationTiming@wmf/1.31.0-wmf.6] Send value zero for unload and redirecting
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Change 387534 merged by jenkins-bot:
[mediawiki/extensions/NavigationTiming@master] Send value zero for unload and redirecting
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Change 387915 merged by jenkins-bot:
[mediawiki/extensions/NavigationTiming@wmf/1.31.0-wmf.6] Send value zero for unload and redirecting
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Mentioned in SAL (#wikimedia-operations) [2017-11-02T23:36:05Z] <krinkle@tin> Synchronized php-1.31.0-wmf.6/extensions/NavigationTiming/modules/ext.navigationTiming.js: Fix zero values - T178479 (duration: 00m 47s)