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Update Hint-Syntax document

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Johan Wikman 2018-10-03 13:57:55 +03:00
parent c41d43755b
commit d49173ba71
2 changed files with 10 additions and 4 deletions
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9
Documentation/Reference/Hint-Syntax.md
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@ -2,8 +2,8 @@
## Enabling routing hints
To enable routing hints for a service, the hintfilter module needs to be
configured and the filter needs to be applied to the service.
To enable user specified routing hints for a service, the hintfilter module
needs to be configured and the filter needs to be applied to the service.
Here is an example service which has the hint filter configured and applied.
@ -51,7 +51,7 @@ name-value pairs.
These hints will instruct the router to route a query to a certain type of a server.
```
-- maxscale route to [master | slave | server <server name>]
-- maxscale route to [master | slave | server <server name> | last]
```
A `master` value in a routing hint will route the query to a master
@ -59,7 +59,8 @@ server. This can be used to direct read queries to a master server for a
up-to-date result with no replication lag. A `slave` value will route the
query to a slave server. A `server` value will route the query to a named
server. The value of <server name> needs to be the same as the server
section name in maxscale.cnf.
section name in maxscale.cnf. A `last` value will route the query to the
same server the previous query was routed to.
### Name-value hints

5
Documentation/Release-Notes/MaxScale-2.3.0-Release-Notes.md
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@ -147,6 +147,11 @@ The CDC protocol no longer accepts the `QUERY-LAST-TRANSACTION` and
`QUERY-TRANSACTION` commands. They were removed due to the addition of the REST
API that provides the same information in a more easy to process format.
### Hints
There is now a new hint `last` that will cause a query to be routed to the
same server the previous query was routed to.
## New Features
### Query Classifier Cache