---
title: "Historical PFS join weights"
method: GET
path: "/api/clusters/{clusterName}/servers/{serverName}/pfs-join-weights"
tags: ["DatabaseSchema"]
---

# Historical PFS join weights

`GET /api/clusters/{clusterName}/servers/{serverName}/pfs-join-weights`

Returns per-snapshot join-weight data computed from on-disk PFS JSONL files.

## Path parameters

- `clusterName` string, required
- `serverName` string, required

## Query parameters

- `from` string
- `to` string

## Headers

- `Authorization` string, required

## Response `200`

OK

- ServerPfsSnapshotWeights[]
  - `links` ServerPfsJoinLink[] — computed join weights for this period
    - `joinWeightPct` number — 0–100
    - `tableA` string — "schema.table"
    - `tableB` string — "schema.table"
  - `snapshotFile` string — basename of the .jsonl file
  - `timestamp` string — RFC3339 of the snapshot hour

## Other responses

- `403` — No valid ACL
- `500` — error message

---

[API](https://skmtc.net/signal18/apis/untitled-api.md) · [All operations](https://skmtc.net/signal18/apis/untitled-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/signal18/untitled-api/revisions/7465ea0ee21a/schema)