9/25/2023 0 Comments Grafana postgres exporter![]() ![]() One way this can still work is to specify multiple input blocks in the Telegraf config file, one for each database. However, there is an open issue due to which this plugin does not run the specified query against all databases, but only against the database name specified in the connection string. At first glance, this looks promising: it can run any custom query, and multiple queries can be defined in its configuration file. Telegraf has another PostgreSQL input plugin called postgresql_extensible. Telegraf postgresql_extensible input plugin And the built-in metrics are a good starting point, but not enough. But this plugin cannot be configured to run any custom SQL script to gather the data that we want. Telegraf has a PostgreSQL input plugin which provides some built-in metrics from the pg_stat_database and pg_stat_bgwriter views. I found several solutions and articles online about monitoring PostgreSQL using Telegraf: 1. View SourceĪnd here’s what my final Grafana dashboard looks like Grafana dashboard sample for PostgreSQL monitoring Research on existing solutions This is what the pipeline looks like: PostgreSQL to Telegraf to InfluxDB to Grafana. So, I’m not going into too much detail on this part. There are a lot of resources online about setting up the data collection pipeline from Telegraf to InfluxDB, and creating dashboards on Grafana. Write query throughput and performance (rows inserted/updated/deleted, locks, deadlocks, dead rows).returned, temporary data written to disk) Read query throughput and performance (sequential vs.Some key things that I planned to monitor: I also prioritized monitoring for issues which I’ve myself faced in the past. ![]() I didn’t need everything mentioned in these links, but they acted as a good reference. Also, this PostgreSQL monitoring template for Zabbix has some good pointers. What do I mean by advanced? I liked this Datadog article about some key metrics for PostgreSQL monitoring. This post will go through my experience with setting up some advanced monitoring for PostgreSQL database using Telegraf, InfluxDB, and Grafana (also known as the TIG stack), the problems I faced, and what I ended up doing at the end. ![]()
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