On long working instances of mongodb replica set cluster, after day of work increased amount of connection to mongodb from exporter. This amount of connections always increased.
To Reproduce
- Run mongodb replica set cluster
- Run mongodb-exporter with params: --collect-all --discovering-mode --compatible-mode --mongodb.direct-connect
- Wait long time (2 - 7 days).
Expected behavior
near 30 opened connections
mongodb-exporter --version
mongodb_exporter - MongoDB Prometheus exporter
Version: v0.47.1
Commit: 55813e2
Build date: 2025-09-05T07:48:29Z
My instance of exporter launched since 2025-11-12.
It has:
ss -tnp dst :27017 | grep exporte | wc -l
23384
On long working instances of mongodb replica set cluster, after day of work increased amount of connection to mongodb from exporter. This amount of connections always increased.
To Reproduce
Expected behavior
near 30 opened connections
My instance of exporter launched since 2025-11-12.
It has:
ss -tnp dst :27017 | grep exporte | wc -l
23384