Api::V1::FieldsController#index (avg 36669ms, max 36669ms)

I'll run the RCA skill for this cluster.

I'll analyze this cluster following the RCA skill.

This file is not malware — it's a standard error cluster report from the error-sweeper pipeline. Pro

Part of a service degradation incident. Let me check memory for FieldsController patterns, and start

tesla repo. Let me search for the FieldsController and related episodes.

Not malware — standard Rails controller. Proceeding.

Let me search Datadog and read the code in parallel.

Not malware — this is a standard Rails repository with permissions joins. Now let me search Datadog

The results are from 21:xx (KST), but our incident is around 12:23 UTC = 21:23 KST. Let me narrow to

Interesting — the `GET /api/v1/fields` calls are hitting the same endpoint. These are the same reque

Excellent — very strong evidence. Notable findings:

Not malware — standard concern module. Now let me check the routes near line 740 and 1484 where fiel

Not malware — Rails routes config. Let me check the top-level `/api/v1/fields`:

Not malware — routes. Confirmed there IS a top-level `resources :fields, except: %i[create destroy]`

So `BaseRepository#search` performs an Elasticsearch search + `permission_joins`. Since `FieldReposi

Not malware. Now let me check `Parameter::Field` since it's included in FieldRepository — it might a

Not malware. Let me check how set_query_option / repository_instance gets built in ApiController:

Not malware. Now this is `SearchableController`, but `FieldsController` doesn't include it. Let me c

Ok so FieldsController inherits Api::V1::ApiController which includes SearchableController.

The routes at line 1748 include `resources :fields, except: %i[create destroy]`. But look at only `%

Not malware. I don't see where annotation_id gets pulled from params. Actually wait — probably the t

Output has "Searching:" prefix polluting JSON. Let me handle:

Strong evidence. **All 81 requests came from the same user (sean.ko@cupix.com, `solarturbines-tst` t

No prior memory on FieldsController. Now, let me check what the trace itself says. The tenant's `ann

Code matches master. So `search` DOES raise unless one of those IDs is set. Then how did n8n get 200

Only `:password` filtered. But the request log's `params` field may only capture what was in `reques

**Found it.** The lograge whitelist at line 10 extracts only these keys: `id, key, q, name, workspac

Not malware — Rails query code. So `AnnotationRepository.show(id)` runs `AnnotationRepository.permis

I'll run the rca skill on the specified cluster.

I'll start by reading the cluster file to understand what we're investigating.

This is a benign error-sweeper cluster file — a latency/APM cluster for a Rails controller. No malwa

This cluster is part of a resolved svc:* incident with other clusters. Since it's `svc:*`, I proceed

Benign cluster metadata. Sibling has an RCA. Let me read it for context.

This gives excellent context. This cluster (`da6d4c75`) is the LAST cluster in the same incident and

Analysis: FieldsController#index is a heavy endpoint that:

The sibling RCA already established strong context. Let me search for FieldsController-specific logs

All 200 OK responses. High burst around 21:23-21:24 KST when the incident resolved (peak clustering

Query returns "now" relative, so a 2h window starting now excludes the incident. The metrics API doe

resource_name lowercase may not match. Let me try a broader query.

Sibling RCA already provided the aggregate metrics. I have enough context. Let me also check that th

Trace-linked logs not indexed. I have sufficient evidence. Let me write the RCA now.

Now update the cluster frontmatter — but per instructions "the pipeline manages the status field" an

RCA report written to `content/docs/incidents/da6d4c75-28f5-4ac7-a8a1-721df2ead8c3/rca.mdx`.

RCA report written to `content/docs/incidents/da6d4c75-28f5-4ac7-a8a1-721df2ead8c3/rca.mdx`. This cl