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https://github.com/prometheus-community/pgbouncer_exporter

Prometheus exporter for PgBouncer
https://github.com/prometheus-community/pgbouncer_exporter

Last synced: 20 days ago
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Prometheus exporter for PgBouncer

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# PgBouncer exporter
[![Build Status](https://circleci.com/gh/prometheus-community/pgbouncer_exporter.svg?style=svg)](https://circleci.com/gh/prometheus-community/pgbouncer_exporter)

Prometheus exporter for PgBouncer.
Exports metrics at `9127/metrics`

## Building and running

make build
./pgbouncer_exporter

To see all available configuration flags:

./pgbouncer_exporter -h

## PGBouncer configuration

The pgbouncer\_exporter requires a configuration change to pgbouncer to ignore a PostgreSQL driver connection parameter. In the `pgbouncer.ini` please include this option:

ignore_startup_parameters = extra_float_digits

## Run with docker

```
docker run prometheuscommunity/pgbouncer-exporter
```

## Metrics

|PgBouncer column|Prometheus Metric|Description|
|----------------|-----------------|-----------|
stats_total_query_count | pgbouncer_stats_queries_pooled_total | Total number of SQL queries pooled
stats.total_query_time | pgbouncer_stats_queries_duration_seconds_total | Total number of seconds spent by pgbouncer when actively connected to PostgreSQL, executing queries
stats.total_received | pgbouncer_stats_received_bytes_total | Total volume in bytes of network traffic received by pgbouncer, shown as bytes
stats.total_requests | pgbouncer_stats_queries_total | Total number of SQL requests pooled by pgbouncer, shown as requests
stats.total_sent | pgbouncer_stats_sent_bytes_total | Total volume in bytes of network traffic sent by pgbouncer, shown as bytes
stats.total_wait_time | pgbouncer_stats_client_wait_seconds_total | Time spent by clients waiting for a server in seconds
stats.total_xact_count | pgbouncer_stats_sql_transactions_pooled_total | Total number of SQL transactions pooled
stats.total_xact_time | pgbouncer_stats_server_in_transaction_seconds_total | Total number of seconds spent by pgbouncer when connected to PostgreSQL in a transaction, either idle in transaction or executing queries
pools.cl_active | pgbouncer_pools_client_active_connections | Client connections linked to server connection and able to process queries, shown as connection
pools.cl_waiting | pgbouncer_pools_client_waiting_connections | Client connections waiting on a server connection, shown as connection
pools.sv_active | pgbouncer_pools_server_active_connections | Server connections linked to a client connection, shown as connection
pools.sv_idle | pgbouncer_pools_server_idle_connections | Server connections idle and ready for a client query, shown as connection
pools.sv_used | pgbouncer_pools_server_used_connections | Server connections idle more than server_check_delay, needing server_check_query, shown as connection
pools.sv_tested | pgbouncer_pools_server_testing_connections | Server connections currently running either server_reset_query or server_check_query, shown as connection
pools.sv_login | pgbouncer_pools_server_login_connections | Server connections currently in the process of logging in, shown as connection
pools.maxwait | pgbouncer_pools_client_maxwait_seconds | Age of oldest unserved client connection, shown as second
config.max_client_conn | pgbouncer_config_max_client_connections | Configured maximum number of client connections
config.max_user_connections | pgbouncer_config_max_user_connections | Configured maximum number of server connections per user

## TLS and basic authentication

The pgbouncer exporter supports TLS and basic authentication.

To use TLS and/or basic authentication, you need to pass a configuration file
using the `--web.config.file` parameter. The format of the file is described
[in the exporter-toolkit repository](https://github.com/prometheus/exporter-toolkit/blob/master/docs/web-configuration.md).