From 03bf87dcb06f7021bfb2df2fa8691593c6148aff Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 30 Nov 2022 19:47:00 +0100 Subject: Adding upstream version 1.37.0. Signed-off-by: Daniel Baumann --- collectors/python.d.plugin/postgres/README.md | 145 -------------------------- 1 file changed, 145 deletions(-) delete mode 100644 collectors/python.d.plugin/postgres/README.md (limited to 'collectors/python.d.plugin/postgres/README.md') diff --git a/collectors/python.d.plugin/postgres/README.md b/collectors/python.d.plugin/postgres/README.md deleted file mode 100644 index 7acb9a7a9..000000000 --- a/collectors/python.d.plugin/postgres/README.md +++ /dev/null @@ -1,145 +0,0 @@ - - -# PostgreSQL monitoring with Netdata - -> **Warning**: This module is deprecated and will be deleted in v1.37.0. -> Use [go.d/postgres](https://learn.netdata.cloud/docs/agent/collectors/go.d.plugin/modules/postgres). - -Collects database health and performance metrics. - -## Requirements - -- `python-psycopg2` package. You have to install it manually and make sure that it is available to the `netdata` user, either using `pip`, the package manager of your Linux distribution, or any other method you prefer. - -- PostgreSQL v9.4+ - -Following charts are drawn: - -1. **Database size** MB - - - size - -2. **Current Backend Processes** processes - - - active - -3. **Current Backend Process Usage** percentage - - - used - - available - -4. **Write-Ahead Logging Statistics** files/s - - - total - - ready - - done - -5. **Checkpoints** writes/s - - - scheduled - - requested - -6. **Current connections to db** count - - - connections - -7. **Tuples returned from db** tuples/s - - - sequential - - bitmap - -8. **Tuple reads from db** reads/s - - - disk - - cache - -9. **Transactions on db** transactions/s - - - committed - - rolled back - -10. **Tuples written to db** writes/s - - - inserted - - updated - - deleted - - conflicts - -11. **Locks on db** count per type - - - locks - -12. **Standby delta** KB - - - sent delta - - write delta - - flush delta - - replay delta - -13. **Standby lag** seconds - - - write lag - - flush lag - - replay lag - -14. **Average number of blocking transactions in db** processes - - - blocking - -## Configuration - -Edit the `python.d/postgres.conf` configuration file using `edit-config` from the Netdata [config -directory](/docs/configure/nodes.md), which is typically at `/etc/netdata`. - -```bash -cd /etc/netdata # Replace this path with your Netdata config directory, if different -sudo ./edit-config python.d/postgres.conf -``` - -When no configuration file is found, the module tries to connect to TCP/IP socket: `localhost:5432` with the -following collection jobs. - -```yaml -socket: - name : 'socket' - user : 'postgres' - database : 'postgres' - -tcp: - name : 'tcp' - user : 'postgres' - database : 'postgres' - host : 'localhost' - port : 5432 -``` - -**Note**: Every job collection must have a unique identifier. In cases that you monitor multiple DBs, every -job must have it's own name. Use a mnemonic of your preference (e.g us_east_db, us_east_tcp) - -## Troubleshooting - -To troubleshoot issues with the `postgres` collector, run the `python.d.plugin` with the debug option enabled. The output -should give you clues as to why the collector isn't working. - -First, navigate to your plugins directory, usually at `/usr/libexec/netdata/plugins.d/`. If that's not the case on your -system, open `netdata.conf` and look for the setting `plugins directory`. Once you're in the plugin's directory, switch -to the `netdata` user. - -```bash -cd /usr/libexec/netdata/plugins.d/ -sudo su -s /bin/bash netdata -``` - -You can now run the `python.d.plugin` to debug the collector: - -```bash -./python.d.plugin postgres debug trace -``` - ---- - - -- cgit v1.2.3