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Feat/perf node separation - #950

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ybezsonov merged 5 commits into
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feat/perf-node-separation
Oct 12, 2026
Merged

ybezsonov merged 5 commits into
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feat/perf-node-separation

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The platform (Prometheus, Grafana, Pyroscope, Alloy, sensor, Kyverno, boost controller,
metrics-server) had no node selector and shared the app's 4-vCPU workshop node. The app
then shared physical cores with it: baseline startup 18.5-19.7 s instead of ~16.5 s,
steady CPU 0.22 instead of ~0.14, throttling 0.15 instead of ~0.07.

- platform-placement.sh: every platform Deployment/StatefulSet to the Auto Mode
  general-purpose pool, marked do-not-disrupt; run by the template after stage E.
- nodepool-pin.sh: workshop pool consolidates WhenEmpty (5m), so the app's node is not
  replaced when the app shrinks.
Pyroscope 2 writes blocks to S3 but keeps the metastore (the index of those blocks) on the
data volume. On an emptyDir a rescheduled pod starts with an empty index and every earlier
profile, still in S3, becomes unqueryable. A 10Gi PVC (default gp3 class), like Prometheus
and Grafana. Shared by all workshops that install monitoring.sh.
The Claude Code VS Code extension asks to relaunch the first terminal Claude runs in and
marks its tab. ide-layout.sh turns the environment-change indicator off; capture/ide.mjs
runs Claude once in a throwaway terminal and takes the tools shot in a second one.
A run answered the enforce question with a stub (items covered, no Root cause, Evidence or
Solution). The enforce entry now names the format and its contents, and section 5 says every
answer, the policy one included, starts with Root cause.
…lines and profile links

Sample mapping for the image page (AOT question and build, CRaC question and build, profile
link), README expected flips with the AOT step.
@ybezsonov
ybezsonov merged commit 895f730 into main Oct 12, 2026
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@ybezsonov
ybezsonov deleted the feat/perf-node-separation branch October 12, 2026 08:57
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