d0ec6e3762
If the session id is known, it will be logged together with all
messages. If present, the session id appears, enclosed in paranthesis,
right after the message category. E.g.
2017-08-30 12:20:49 warning: (4711) [masking] The rule ...
70 lines
2.8 KiB
Markdown
70 lines
2.8 KiB
Markdown
# MariaDB MaxScale 2.1.7 Release Notes
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Release 2.1.7 is a GA release.
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This document describes the changes in release 2.1.7, when compared to
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release [2.1.6](MaxScale-2.1.6-Release-Notes.md).
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If you are upgrading from release 2.0, please also read the following
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release notes:
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[2.1.6](./MaxScale-2.1.6-Release-Notes.md)
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[2.1.5](./MaxScale-2.1.5-Release-Notes.md)
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[2.1.4](./MaxScale-2.1.4-Release-Notes.md)
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[2.1.3](./MaxScale-2.1.3-Release-Notes.md)
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[2.1.2](./MaxScale-2.1.2-Release-Notes.md)
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[2.1.1](./MaxScale-2.1.1-Release-Notes.md)
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[2.1.0](./MaxScale-2.1.0-Release-Notes.md)
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For any problems you encounter, please consider submitting a bug
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report at [Jira](https://jira.mariadb.org).
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## Changed Features
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### Persistent connection statistics
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The output of `show servers` now shows the number of times a connection was
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taken from a server's pool as well as the ratio of connections taken from the
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pool versus newly created connections.
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### Logging
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When known, the session id will be included in all logged messages. This allows
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a range of logged messages related to a particular session (that is, client) to
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be bound together, and makes it easier to investigate problems. In practice this
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is visible so that if a logged message earlier looked like
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```
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2017-08-30 12:20:49 warning: [masking] The rule ...
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```
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it will now look like
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```
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2017-08-30 12:20:49 warning: (4711) [masking] The rule ...
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```
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where `4711` is the session id.
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## Bug fixes
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[Here is a list of bugs fixed in MaxScale 2.1.7.](https://jira.mariadb.org/issues/?jql=project%20%3D%20MXS%20AND%20issuetype%20%3D%20Bug%20AND%20status%20%3D%20Closed%20AND%20fixVersion%20%3D%202.1.7)
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* (MXS-1379)[https://jira.mariadb.org/browse/MXS-1379] Undefined outcome on schemarouter query conflict
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* (MXS-1375)[https://jira.mariadb.org/browse/MXS-1375] Reused connections get multiple replies to COM_CHANGE_USER
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* (MXS-1374)[https://jira.mariadb.org/browse/MXS-1374] Persistent connections can't be altered at runtime
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* (MXS-1366)[https://jira.mariadb.org/browse/MXS-1366] Abrupt disconnections with persistent connections
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* (MXS-1365)[https://jira.mariadb.org/browse/MXS-1365] Write to invalid memory in avrorouter
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* (MXS-1363)[https://jira.mariadb.org/browse/MXS-1363] Servers with zero weight aren't used by readconnroute
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* (MXS-1341)[https://jira.mariadb.org/browse/MXS-1341] binlog checksums break avrorouter processing
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## Packaging
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RPM and Debian packages are provided for the Linux distributions supported
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by MariaDB Enterprise.
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Packages can be downloaded [here](https://mariadb.com/resources/downloads).
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## Source Code
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The source code of MaxScale is tagged at GitHub with a tag, which is identical
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with the version of MaxScale. For instance, the tag of version X.Y.Z of MaxScale
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is maxscale-X.Y.Z.
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The source code is available [here](https://github.com/mariadb-corporation/MaxScale).
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