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Add 2.2.5 release notes

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Added the release notes for MaxScale 2.2.5.
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Markus Mäkelä 2018-04-16 10:07:55 +03:00
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# MariaDB MaxScale 2.2.5 Release Notes
Release 2.2.5 is a GA release.
This document describes the changes in release 2.2.5, when compared to
release 2.2.4.
For any problems you encounter, please consider submitting a bug
report at [Jira](https://jira.mariadb.org).
## Changed Features
## Dropped Features
## New Features
### MaxCtrl: Raw REST API Calls
MaxCtrl is now able to perform raw HTTP GET calls that return the JSON
data from the REST API. It also supports value extraction with JavaScript
style syntax.
For example, extracting just the state of all servers as a JSON array can be
done with the following command:
```
[markusjm@localhost ~]$ maxctrl api get servers data[].attributes.state
["Master, Running","Slave, Running","Slave, Running","Slave, Running"]
```
## Bug fixes
* [MXS-1787](https://jira.mariadb.org/browse/MXS-1787) Crash with mysql client test `test_bug49972`
* [MXS-1786](https://jira.mariadb.org/browse/MXS-1786) Hang with COM_STATISTICS
* [MXS-1785](https://jira.mariadb.org/browse/MXS-1785) request 16M-1 normal sql + 'select 1' core dump with debug mode
* [MXS-1776](https://jira.mariadb.org/browse/MXS-1776) Hang with mysql test case `test_basic_cursors`
* [MXS-1773](https://jira.mariadb.org/browse/MXS-1773) LOAD DATA LOCAL INFILE confuses readwritesplit
* [MXS-1765](https://jira.mariadb.org/browse/MXS-1765) Internal client connections write data in wrong order
* [MXS-1757](https://jira.mariadb.org/browse/MXS-1757) Problem while linking libavrorouter.so on Ubuntu 14.04
* [MXS-1751](https://jira.mariadb.org/browse/MXS-1751) Maxscale crashes when certain config is in play (with nodes down)
* [MXS-1747](https://jira.mariadb.org/browse/MXS-1747) Rejoin functions should print better errors
* [MXS-1746](https://jira.mariadb.org/browse/MXS-1746) The session-specific gtid_domain_id is queried instead of the global one
* [MXS-1743](https://jira.mariadb.org/browse/MXS-1743) Maxscale unable to enforce round-robin between read service for Slave
## Known Issues and Limitations
There are some limitations and known issues within this version of MaxScale.
For more information, please refer to the [Limitations](../About/Limitations.md) document.
## Packaging
RPM and Debian packages are provided for the Linux distributions supported
by MariaDB Enterprise.
Packages can be downloaded [here](https://mariadb.com/downloads/mariadb-tx/maxscale).
## Source Code
The source code of MaxScale is tagged at GitHub with a tag, which is identical
with the version of MaxScale. For instance, the tag of version X.Y.Z of MaxScale
is X.Y.Z. Further, *master* always refers to the latest released non-beta version.
The source code is available [here](https://github.com/mariadb-corporation/MaxScale).