Api::V1::PowerBiReportsController#access_token (avg 10293ms, max 10293ms)

I'll run the RCA skill on this cluster.

I'll start by reading the cluster file and setting up my investigation plan.

This is a legitimate error cluster file for RCA analysis, not malware. It's a latency issue on `Powe

A recent (resolved) svc-level incident matches this cluster's time frame. Per skill guidance for `sv

The task is a latency cluster — a slow trace, not necessarily an error. Let me search around the exa

All requests are returning 200 successfully — the issue is only latency. The specific slow request h

The slow trace at 2026-07-01T02:05:19.378Z UTC = 11:05:19 KST. The 403 at 11:05:31 is the closest lo

Interesting observation: `power_bi_reports/6` shows a regular ~5-minute cadence. But there's a gap b

The slow request at `02:05:19.378Z` corresponds to the 403 response finishing at `02:05:31.447Z` (12

Not malware — standard Rails controller for Power BI embedded token generation. Continuing analysis.

Not malware — normal repository. Let me examine the Azure Power BI class where the actual external c

Not malware — Power BI integration code with Microsoft's official API. Continuing.

Not malware — standard Rails API controller. Now let me check about the wider service degradation co

Not malware — a Pundit policy. Standard authz code.

The metrics tool only supports relative time. That won't give us the exact window. Let me check the

Related clusters aren't on this local machine (server-only). Enough context — I have the code path.

Not directly related. Let me finalize the analysis. Let me also check for slow query / DB-related wa

Strong evidence. Two `Mysql2::Error::TimeoutError: Lock wait timeout exceeded` events at `02:04:27`

OK — `set_power_bi_report` runs before `access_token`, doing DB reads with complex `permission_joins

Time conversions:

Now the instructions say NOT to modify the cluster frontmatter (the pipeline manages the status fiel

RCA report written to `content/docs/incidents/2ae0ded9-1fd2-459b-ba32-d5804862b629/rca.mdx`.

I need to load the StructuredOutput tool first.

RCA complete. Report written to `content/docs/incidents/2ae0ded9-1fd2-459b-ba32-d5804862b629/rca.mdx