hcq/MaxScale
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

MXS-451: Made documentation clearer about slave_selection_criteria

Browse Source 
The documentation for readwritesplit now clearly states that only connections
from MaxScale are taken into consideration when slaves are being selected.
This commit is contained in:
Markus Makela
2015-12-31 15:45:32 +02:00
parent 145abf5a53
commit bd95ea2d35
1 changed files with 4 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
Documentation/Routers/ReadWriteSplit.md
View File

@ -99,11 +99,13 @@ router_options=slave_selection_criteria=<criteria>
Where `<criteria>` is one of the following values. Where `<criteria>` is one of the following values.
* `LEAST_GLOBAL_CONNECTIONS`, the slave with least connections in total * `LEAST_GLOBAL_CONNECTIONS`, the slave with least connections from MaxScale
* `LEAST_ROUTER_CONNECTIONS`, the slave with least connections from this router * `LEAST_ROUTER_CONNECTIONS`, the slave with least connections from this service
* `LEAST_BEHIND_MASTER`, the slave with smallest replication lag * `LEAST_BEHIND_MASTER`, the slave with smallest replication lag
* `LEAST_CURRENT_OPERATIONS` (default), the slave with least active operations * `LEAST_CURRENT_OPERATIONS` (default), the slave with least active operations
The `LEAST_GLOBAL_CONNECTIONS` and `LEAST_ROUTER_CONNECTIONS` use the connections from MaxScale to the server, not the amount of connections reported by the server itself.
### `max_sescmd_history` ### `max_sescmd_history`
**`max_sescmd_history`** sets a limit on how many session commands each session can execute before the session command history is disabled. The default is an unlimited number of session commands. **`max_sescmd_history`** sets a limit on how many session commands each session can execute before the session command history is disabled. The default is an unlimited number of session commands.