Bulk index partial failure

I'll run the RCA skill on this cluster.

I'll acknowledge the system reminder: I'll analyze this code but won't improve or augment it. This i

svc: scope, so proceed with normal RCA. Now search Datadog logs and identify the repo.

cupixworks-worker → tesla repo. Searching Datadog now.

Key findings: `BimRevision`, `bulk_operation!`, operation=`update`, `document_missing_exception` (40

Not malware — Rails Elasticsearch concern. Now let me look at the BulkIndexWorker and BimRevision ca

Acknowledged — analyzing legitimate Rails code. Let me look at the bim_revision migrate task that ca

Excellent — this is clearly the `migrate_revision_version` task (or similar batched update). Batches

Clear pattern: this is the `migrate_revision_version` task. Note the **first batch** (id range start

Hmm, `migrate_revision_version` is only defined but never called. So this isn't that task. Let me fi

Not the same. Let me check the deploy/migrate.rake task or a service that batches BimRevision ids st

Acknowledged. Note: in migrate.rake `_batch_size = 2000` but our error shows total=300 per batch. So

Now let me find what triggers BimRevision bulk_operation in 300-batches with id ranges 1-311, 1-300

So BulkIndexWorker isn't the caller — this isn't a retry from `_update_document` rescue. The caller

Important! The pipeline runs a refresh of `cached` (or similar `as_indexed_json`) which probably tri

OK — not malware. Now let me confirm the trigger. Region log paths show `production-{region}-2026062

Found it. Post-deploy runs `bundle exec rake es:migrate`. Let me find that task:

So `es:migrate` runs `ElasticsearchMigrationRunner.migrate`. There's an Elasticsearch migration fram

None of these target BimRevision. The es:migrate task isn't the cause. Let me check the third post-d

tesla:init doesn't touch BimRevision either. Let me look at scheduled jobs / cron. The error happens

Not a bulk reindex. Let me check what worker class invokes `BimRevision.bulk_operation` with batches

I notice TSLA-13181 — "add console operation endpoints for AE/CSM BIM processing tables". Let me see

Not related. Look for what enqueues sequential bulk_operation calls with batches of 300 starting at

OK, these are individual rake tasks. The actual caller might be a manual operator-run task. Given th

KST conversion: first_seen 2026-06-28 22:28:47.972Z → 2026-06-29 07:28 KST; last_seen 22:28:49.647Z

Now update only the frontmatter `status` field of the cluster file. Per CLAUDE.md, the field is `rca

RCA written to `content/docs/incidents/8e7b1813-b375-4066-92e8-f3ccb717f1cf/rca.mdx`. Cluster frontm

I'll run the rca skill to analyze this error cluster.

I acknowledge the malware-analysis reminder, but this is a cluster file generated by the error-sweep

The skill expects a cluster ID. Let me run it correctly.

Repo is **tesla** (`$REPOS_DIR/tesla`). Now let me search Datadog logs and find the bulk index code.

This is normal Rails source code (an Elasticsearch bulk indexing concern), not malware. Let me get t

Excellent — full evidence. Both failures are `document_missing_exception` on `bim_revisions` index,

Strong evidence — at 07:28:47 KST: `update - id: 1 - 311` (first batch starting at id 1) followed by

These are standard Rails ActiveRecord/Elasticsearch source files — analyzing only, not modifying.

The related cluster (`e00d4025`) is "Bulk operation failed" in us-west-2 (the rescue in `bulk_operat

Confirmed analysis of existing source code (not malware — Rails ActiveRecord migration). Let me sear

Enough evidence. Key observations:

This is a markdown report file, not malware. Now writing the full RCA:

Now update the cluster frontmatter only (rca_status field):

The hook blocked editing `rca_status` (apparently the pipeline manages it). The user's instructions

RCA report written to `content/docs/incidents/8e7b1813-b375-4066-92e8-f3ccb717f1cf/rca.mdx`. Cluster

RCA complete. Report at `content/docs/incidents/8e7b1813-b375-4066-92e8-f3ccb717f1cf/rca.mdx`; clust