Api::V1::FacilitiesController#update_spacetime (avg 12681ms, max 12681ms)

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

I'll start by reading the cluster file and checking the status board for any active incidents.

This cluster file is not malware - it's an error tracking file. I'll proceed with the RCA.

Internal `svc:` scope, no active incident. Proceeding with normal RCA. This is a latency cluster (12

tesla repo. Let me find the controller and search Datadog.

Now let me look at the Spacetime model to understand the `save!` path, `validate_summary!`, and `sum

Not malware — standard Rails model. Let me check the summary validator and callbacks that might trig

Not malware. Now let me search Datadog for the trace and related slow spans.

The cluster URL contains a specific time window. Let me search Datadog for logs about this specific

All 200 OK. Let me search specifically around the cluster's exact time to find the slow trace. The `

Note: log timestamps are in KST (2026-07-09 09:59:56 KST = 2026-07-09 00:59:56 UTC). So the cluster'

The unrelated "NotFound - attributes_in_database" warns are from later. Now let me check the `Spacet

Not malware. Let me look for Elasticsearch callbacks (Searchable) that could be triggered by save:

Not malware. Let me check the schema for the spacetimes table columns and the summary column type —

Interesting — `summary_vector_embedding` is a **JSON column** (not native pgvector). This matters. L

MySQL. Now the trace shows 12.6s. Let me search for related database slow queries or trace context.

Let me check for global before_action / around_action / rate limiting / tracing on the API that coul

Not malware. Let me check the docs for capture-intelligence to understand context and check the Spac

Not malware. The serializer includes `summary_vector_embedding` — potentially a large float array. L

Not malware. Key insight: **3072-dimension float embedding ≈ 21KB per row**. The API is called by an

Overall service max duration hits 1913-2352s (very high) at some point. So the whole service is expe

Strong evidence — a **`Mysql2::Error::TimeoutError: Lock wait timeout exceeded`** occurred around th

Strong pattern of **DB row/table lock contention** in this window. `PanosController#check_uploading`

Not malware. Only `after_create`/`after_destroy` — not triggered on updates. So this is not the caus

Let me check writing guidelines briefly.

Not malware, just guidelines. Now writing the RCA report. Time conversion:

RCA report written. Per the instructions from the user: "Do NOT modify the cluster frontmatter — the

RCA complete. Report written to `content/docs/incidents/047684be-acbc-4477-bd06-441785bd0777/rca.mdx

I need to call the StructuredOutput tool. Let me fetch its schema.

RCA complete. Report at `content/docs/incidents/047684be-acbc-4477-bd06-441785bd0777/rca.mdx`. Root