# richardwilly98/elasticsearch-river-mongodb

MongoDB River Plugin for ElasticSearch

Repository: https://github.com/richardwilly98/elasticsearch-river-mongodb
Canonical: https://ross.abutalabs.com/products/elasticsearch-river-mongodb
Language: Java
License Family: other
Last push: 2016-12-22T15:05:06+00:00

## Health v2 (maintenance only)
Score: 32/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 5329, "days_push": 3541, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases, no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1121, forks 210 (observed 2026-08-28T04:03:39.942376+00:00)

## What it is
An Elasticsearch plugin (river) that indexes MongoDB collections into Elasticsearch by tailing the MongoDB oplog of a replica set. It supports filtering and transformation of documents during indexing.

## Use cases
- sync mongodb data into elasticsearch for full-text search
- index mongodb collections in elasticsearch
- tail mongodb oplog to keep search index up to date
- search mongodb documents with elasticsearch
- replicate mongodb data to a search engine

## When to choose
- you run legacy Elasticsearch 0.90–1.7 with MongoDB replica sets and need near-real-time indexing

## When to avoid
- you use a modern Elasticsearch version (rivers were removed in 2.x)
- your MongoDB deployment is not a replica set
- you need actively maintained software

## Facets
- artifact type: plugin
- maturity: abandoned
- function: search-engine, database, etl, streaming
- domain: databases
- platform: jvm, self-hosted
- tags: elasticsearch-plugin, mongodb, oplog-tailing, river, data-sync, replica-set, search, data-engineering

## Member repositories
- richardwilly98/elasticsearch-river-mongodb (main) score 32

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:03:39.942376+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T06:41:01.927492+00:00, confidence not recorded.
  - readme: https://github.com/richardwilly98/elasticsearch-river-mongodb (fetched 2026-08-28T04:03:39.942376+00:00, sha 193dd245393c)
- Data as of 2026-08-30T08:39:29.467469+00:00.