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Logstash

data
This item was not updated in last three versions of the Radar. Nevertheless, it remains pertinent.
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Logstash is a free and open server-side data processing pipeline. It can ingest data from a multitude of sources, transform it, and then send it to a "stash."

In the context of the CHT, Logstash, in combination with logstash-input-couchdb_changes, PostgREST and Redis was assessed for synching data from CouchDB to PostgreSQL in CHT Sync.

It usage was discontinued in June 2024, as it was not considered production-ready for various reasons. CHT Sync uses an updated version of couch2pg to perform the sync between CouchDB and PostgreSQL.