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MySQL Enterprise Monitor 3.4.1 has been released
Posted by: Andy Bang
Date: June 06, 2017 10:48AM

We are pleased to announce that MySQL Enterprise Monitor 3.4.1 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 Cluster
Carrier Grade Edition subscriptions.

You’ll find information about what’s new here:
(also included at the end of this note for convenience)

Highlights of MySQL Enterprise Monitor 3.4 include:

* The Replication Dashboard is extended to provide monitoring support
for Group Replication, which was introduced in MySQL Server 5.7.17.
The Topology view provides a visual representation of your group
replication topologies, and the Status drill downs are updated with
Group Replication-specific information. The status of the entire
group is reported on, also showing node failure tolerances and
whether Group Replication has quorum.

* New Group Replication Configuration and Group Replication Status
Advisors provide continuous analysis of the condition of your group
replication topologies. The Configuration Advisor checks for
misconfigurations which could lead to unstable or insecure
installations; the Status Advisor continuously monitors for servers
which go offline or fall out of sync with the other members of the

* The new Table Statistics report utilizes sys schema and its
schema_table_statistics view to show detailed table statistics in
both table and treemap forms. Available on MySQL 5.6 and above,
report details include total latencies, total number of rows
deleted, total I/O write requests.

* In general, the user interface page-loading times and page
responsiveness are improved in 3.4. In addition, time series graphs
are much faster in this release, particularly when you specify a
long time period. This graph performance improvement is gained by
continuous aggregation of time series data. If you are updating from
an earlier version, a one-time aggregation of your historic time
series data is performed when you first start the Service Manager
(as shown by a progress indicator next to the System Status


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

Choose the "Patches & Updates" tab, and then choose the "Product or
Family (Advanced Search)" side tab in the "Patch Search" portlet.

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

Choose "MySQL Database" as the Product Pack and 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, or contact Sales at

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 -
* What's New in 3.4 -
* Change log -
* Installation documentation -
* Complete documentation -
* Product information -
* Download - (available now) or

Thanks and Happy Monitoring!

- The MySQL Enterprise Tools Development Team


Changes in MySQL Enterprise Monitor 3.4.1

Functionality Added or Changed

* The Replication Configuration advisor now generates an event if
slave_pending_jobs_size_max or slave_max_allowed_packet are less
than the source's max_allowed_packet. (Bug #25996472)

* It is now possible to specify an exclusion list of users with global
privileges on the mysql.user table. This is done using a regular
expression in the MySQL User Account advisor. Any user not matching
the defined expression, raises an event.

Note: This change replaces the Account Has Global Privileges
advisor, and moves its functionality to the MySQL User Account
advisor. If you changed the scheduling or thresholds on the Account
Has Global Privileges advisor, they will be lost after upgrading to
this version.

(Bug #17742263)

* The Tomcat server, bundled with the MySQL Enterprise Service
Manager, has been upgraded to 8.5.14.

* The bundled JRE was updated to 1.8.0_131 for both the Agent and
Service Manager.

Bugs Fixed

* The Replication dashboard did not correctly represent groups if one
of the members left the group and MySQL Enterprise Service Manager
could not monitor that member. MySQL Enterprise Service Manager
displayed the last known state of the member instead of displaying
it as Unreachable and greying-out the Group Plugin status.
(Bug #26136352)

* The Statement Type drop-down list on the Query Analyzer page
contained incorrectly named entries, formatted as
form.label.statementType.option.NAME. (Bug #26132066)

* Under certain circumstances, if a custom graph was created, then
deleted, and the MySQL Enterprise Service Manager was upgraded to
3.4, the user interface of the upgraded MySQL Enterprise Service
Manager failed to load. (Bug #26122041)

* A Null Pointer Exception was logged if the Average Statement
Execution Time advisor was enabled but all its notice thresholds
were disabled. (Bug #25872561)

* The Query Analyzer's Explain Query tab did not display long queries
correctly. As of this release, long keys are wrapped on multiple
lines. (Bug #25517867)

* Under certain circumstances, the last instance of a group was
truncated in the Group Replication dashboard's Topology view.

* Custom filters which were not edited were displayed as edited on the
Query Analyzer and graphs pages.

* Under certain circumstances, graphs would not load on the Backup
dashboard's History tab.

* After an upgrade from MySQL Enterprise Service Manager 3.1, or 3.2,
to 3.3 or higher, the Backup dashboard's Backup Run Time History and
Backup Lock Time History displayed zeroes for instances monitored
since before the upgrade.

* Under certain circumstances, if a overrides were defined on MySQL
instances in an advisor, both the parent and child schedules were
evaluated for the overridden instance, instead of child schedule
only. As a result, duplicate collections were performed and
incorrect events displayed.

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MySQL Enterprise Monitor 3.4.1 has been released
June 06, 2017 10:48AM

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