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MySQL Enterprise Monitor 4.0.1 has been released
Posted by: Andy Bang
Date: October 26, 2017 11:26AM

We are pleased to announce that MySQL Enterprise Monitor 4.0.1 is now
available for download on the My Oracle Support (MOS) web site. It
will also be available for download via the Oracle Software Delivery
Cloud in a few days.. MySQL Enterprise Monitor is the best-in-class
tool for monitoring and management of your MySQL assets and is
included with your MySQL Enterprise Edition and MySQL Enterprise
Carrier Grade subscriptions.

You’ll find information about what’s new here:

http://dev.mysql.com/doc/relnotes/mysql-monitor/4.0/en/news-4-0-1.html
(also included at the end of this note for convenience)

Highlights

* Modern look and feel: a redesigned user interface delivers a vastly
improved overall user experience. The visible changes--the layout,
the icons, the and the overall aesthetics--provide a more natural
and intuitive experience. Views dynamically change and adjust to
your current context and the assets you've selected, everything from
individual MySQL instances or hosts to your custom Groups, to your
complex replication and clustered topologies. Additional
enhancements include a much more responsive UI and a greater
capacity to scale, allowing you to more effectively manage thousands
of MySQL related assets.

* MySQL Cluster monitoring: we now auto-discover your MySQL Cluster
installations and give you visibility into the performance,
availability, and health of each MySQL instance and NDB process, as
well as the health of the MySQL Cluster instance as a single logical
system. The Overview dashboard displays detailed instrumentation
available for each MySQL Cluster and the Topology dashboard displays
the current configuration of your MySQL Cluster enabling you to
quickly see the status of the MySQL Cluster instance as a whole and
each individual process. The Topology dashboard allows you to easily
see how your MySQL Cluster installations are currently functioning.

* A User Statistics report: which provides an easy way to monitor
MySQL resource utilization broken down by user.

Download

You will find binaries for the new release on My Oracle Support:

http://support.oracle.com

Choose the "Patches & Updates" tab, and then choose the "Product or
Family (Advanced Search)" side tab in the "Patch Search" portlet.
Note that it may take a day or so for the "Release" drop-down cache
to refresh to include "MySQL Enterprise Monitor 4.0".

You will also find the binaries on the Oracle Software Delivery Cloud:

http://edelivery.oracle.com/

Search "All Categories" for "MySQL" and choose from the results
accordingly. You will find the Enterprise Monitor along with other
MySQL products.

If you are not a MySQL Enterprise customer and want to try the Monitor
and Query Analyzer using our 30-day free customer trial, go to
http://www.mysql.com/trials, or contact Sales at
http://www.mysql.com/about/contact.

Please open a bug or a ticket on My Oracle Support to report problems,
request features, or give us general feedback about how this release
meets your needs.

Useful URLs

* My Oracle Support - http://support.oracle.com/
* What's New in 4.0 - https://dev.mysql.com/doc/mysql-monitor/4.0/en/mem-comparison.html
* Change log - http://dev.mysql.com/doc/relnotes/mysql-monitor/4.0/en/
* Installation documentation - http://dev.mysql.com/doc/mysql-monitor/4.0/en/mem-installing.html
* Complete documentation - http://dev.mysql.com/doc/mysql-monitor/4.0/en/
* Product information - http://www.mysql.com/products/enterprise/monitor.html
* Download - http://support.oracle.com/ or http://edelivery.oracle.com/

Thanks and Happy Monitoring!

- The MySQL Enterprise Tools Development Team

==========

Changes in MySQL Enterprise Monitor 4.0.1

Functionality Added or Changed

* It is now possible to specify time intervals for the Overview
graphs. To set an interval, open the Sparkline Options and select
the required interval. The interval is saved for the selected targets. (Bug #26927079)

* The performance of the Advisors page was improved. (Bug #26274454)

* The Tomcat server, bundled with the MySQL Enterprise Service
Manager, has been upgraded to 8.5.23.

* The bundled JRE was updated to 1.8.0_151 for both the Agent and
Service Manager.

Bugs Fixed

* The advice page for the Prepared Statements Not Being Used
Effectively advisor incorrectly referred to the variables
Com_stmt_prepare and Com_stmt_execute. The correct variables are
Com_prepare_sql and Com_execute_sql. (Bug #26949933)

* Timeseries graphs displayed old data, such as filesystems and
network interfaces which were removed or no longer exist.

As of this release, only recently reported, active assets are
displayed in the timeseries graphs. (Bug #26942873)

* The Target selector menu did not update immediately if a MySQL
instance was deleted from MySQL Enterprise Monitor. Although it was
no longer monitored, the MySQL instance remained in the menu for
some time. (Bug #26915505)

* It was not possible to refresh a replication topology using the
Rediscover Replication Topologies button. An error was displayed.
(Bug #26900106)

* The Last Check status field on the Configure What's New dialog was
not updated correctly. (Bug #26899987)

* The link between two inactive nodes on the Replication topology view
remained green, indicating an active connection. As of this release,
links between inactive nodes are gray, indicating an unknown state.
The same is now true for lines between active and inactive nodes.
(Bug #26878020)

* Topology did not correctly display nodes which were not running.
They were displayed in Green, instead of Yellow, indicating that the
replication thread was not running. (Bug #26871473)

* A fatal error occurred when upgrading a MySQL Enterprise Service
Manager installation which used an external repository instead of
the bundled repository.

Note: The existing installation was unchanged.

(Bug #26870405)

* Under certain circumstances, if you were upgrading to the previous
version, it was necessary to edit server.xml and add
maxHttpHeaderSize="65536" to each of the default connectors.

As of this release, it is no longer necessary to manually edit
server.xml, the upgrade installer checks and corrects the values
automatically if they are set to a value less than 64K. If
maxHttpHeaderSize is set to 64K or higher, the upgrader installer
makes no changes. (Bug #26828438)

References: See also: Bug #26391094.

* The default settings for purging aggregate data were incorrect. As
of this release, the default values are set as follows:

- Remove Hourly Aggregated Metric Data Older Than: 1 year

- Remove Daily Aggregated Metric Data Older Than: 10 years

* MySQL Enterprise Monitor Agents were not displayed if the Global
Summaries selection was either InnoDB Cluster or NDB Cluster.

* The asset selector on the Groups page has been updated. For more
information, see Creating Groups.

* Under certain circumstances, while calculating the status of group
replication partitions, a Null Pointer Exception was logged.

The error was transient and usually resolved in the next collection.

* Auto-refresh refreshed the entire page for the Replication view,
rebuilding all elements, rather than the contents of the view.

As of this release, only the contents of the Replication view are
refreshed.

* Backup was not displayed on the Navigation bar for InnoDB Cluster
selections, but was displayed for NDB Cluster selection.

As of this release, Backup is displayed for InnoDB Cluster
selections and not for NDB Cluster selections.

* Under certain circumstances, the graphs in the Support Diagnostics
archive could not be loaded in some browsers.

* The graphs tab of the Query Analyzer's Query dialog was larger than
the dialog which contained it.

* The Group Name icon was not displayed correctly on the Email
Notification Group page.

* A rate limit exception caused a null pointer exception which stopped
the MySQL Enterprise Service Manager from retrieving the sys schema
version.

* The All Targets menu was too narrow to correctly display long asset
names.

* OS X 10.13 was not reported as Mac OS X (High Sierra), but as
Unknown.

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MySQL Enterprise Monitor 4.0.1 has been released
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