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Health check delay (#118)

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* initial commit of server check delay implementation

* fmt

* spelling

* Update name to last_healthcheck and some comments

* Moved server tested stat to after require_healthcheck check

* Make health check delay configurable

* Rename to last_activity

* Fix typo

* Add debug log for healthcheck

* Add address to debug log
This commit is contained in:
zainkabani
2022-08-11 17:42:40 -04:00
committed by GitHub
parent a262337ba5
commit f963b12821
8 changed files with 165 additions and 41 deletions
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README.md
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@@ -48,6 +48,7 @@ psql -h 127.0.0.1 -p 6432 -c 'SELECT 1'
| `connect_timeout` | Maximum time to establish a connection to a server (milliseconds). If reached, the server is banned and the next target is attempted. | `5000` |
| `healthcheck_timeout` | Maximum time to pass a health check (`SELECT 1`, milliseconds). If reached, the server is banned and the next target is attempted. | `1000` |
| `shutdown_timeout` | Maximum time to give clients during shutdown before forcibly killing client connections (ms). | `60000` |
| `healthcheck_delay` | How long to keep connection available for immediate re-use, without running a healthcheck query on it | `30000` |
| `ban_time` | Ban time for a server (seconds). It won't be allowed to serve transactions until the ban expires; failover targets will be used instead. | `60` |
| | | |
| **`user`** | | |
@@ -252,6 +253,7 @@ The config can be reloaded by sending a `kill -s SIGHUP` to the process or by qu
| `connect_timeout` | yes |
| `healthcheck_timeout` | no |
| `shutdown_timeout` | no |
| `healthcheck_delay` | no |
| `ban_time` | no |
| `user` | yes |
| `shards` | yes |