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MySQL Enterprise Monitor 3.4.0 GA has been released
Posted by: Andy Bang
Date: May 03, 2017 05:45PM

We are very happy to announce the general availability of MySQL
Enterprise Monitor, Version 3.4. 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/3.4/en/news-3-4-0.html
(also included at the end of this note for convenience)

Highlights

* 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
cluster.

* 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
Summary).

Download

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

https://support.oracle.com

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
soon:

http://edelivery.oracle.com/

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
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 3.4 - https://dev.mysql.com/doc/mysql-monitor/3.4/en/mem-comparison-3-4.html
* Change log - http://dev.mysql.com/doc/relnotes/mysql-monitor/3.4/en/
* Installation documentation - http://dev.mysql.com/doc/mysql-monitor/3.4/en/mem-installing.html
* Complete documentation - http://dev.mysql.com/doc/mysql-monitor/3.4/en/
* Product information - http://www.mysql.com/products/enterprise/monitor.html
* Download - http://support.oracle.com/ (available now) or http://edelivery.oracle.com/

Thanks and Happy Monitoring!

- The MySQL Enterprise Tools Development Team

==========

Changes in MySQL Enterprise Monitor 3.4.0

Important:

It is not possible to upgrade to MySQL Enterprise Monitor 3.4 from
versions preceding MySQL Enterprise Monitor 3.1. To upgrade an older
version, you must first upgrade to MySQL Enterprise Monitor 3.1
before running the MySQL Enterprise Monitor 3.4.0 upgrade process.

The upgrade installer generates an error if you attempt to upgrade
an older version to 3.4.

Important:

As of this release, only MySQL Server 5.7.9, or higher, is supported
for the MySQL Enterprise Service Manager repository. If you are
using an external repository, not the version bundled with the MySQL
Enterprise Service Manager installer, you must upgrade it to at
least MySQL Server 5.7.9 before upgrading your MySQL Enterprise
Service Manager to 3.4.

The installers generate an error if you attempt to use a MySQL
Server version older than 5.7.9.

MySQL Enterprise Service Manager 3.4's bundled repository is MySQL
Server 5.7.18.

Performance Tuning Enhancements in MySQL Enterprise Monitor 3.4

* Important Change: The page-loading times of the MySQL Enterprise
Service Manager user interface are improved.

* Important Change: Graph performance for long-period graphs is
improved. Timeseries data is aggregated, allowing for faster data
retrieval.

When you upgrade to MySQL Enterprise Monitor 3.4.0, all existing
timeseries data is aggregated when the MySQL Enterprise Service
Manager first starts. A progress bar is displayed on the Overview
dashboard indicating the completeness of the aggregation process.

Note: While the timeseries data is being aggregated for the first
time, no performance enhancements are evident in the graph response
times. Performance improvement is evident only after the process
completes and the timeseries data is retrieved from the new,
aggregated data.

Replication Monitoring Enhancements in MySQL Enterprise Monitor 3.4

* Important Change: The Replication dashboard is extended to provide
monitoring support for Group Replication, introduced in MySQL Server
5.7.17.

The Topology view provides a visual representation of your group
replication topologies and the Status drilldowns are updated with
Group Replication-specific information. The status of the entire
group is reported on, including node-failure tolerances and whether
the group has quorum.

In addition, new replication advisors, Group Replication
Configuration and Group Replication Status, provide continuous
analysis of the condition of your group replication toplogies. The
configuration advisor analyses the configuration of the servers,
checking for misconfigurations which could lead to unstable or
insecure installations While the status advisor continously monitors
for servers which go offline, or fall out of sync with the other
members of the cluster.

The group replication advisors also populate the following group-level graphs:

- Group Replication - Transactions Rows Validating - Per Member

- Group Replication - Transactions Checked - Per Member

- Group Replication - Conflicts Detected - Per Member

- Group Replication - Transactions In Queue - Per Member

Functionality Added or Changed

* The super_read_only variable is now represented in the Replication
dashboard's instance drilldowns. The configured value is displayed
in the Replication Configuration section.

* The backup bar charts, Backup Run Time History and Backup Lock Time
History are replaced by Full Backup Run Time History and Incremental
Backup Run Time History timeseries graphs. The run and lock time
information is now displayed in the full and incremental backup
graphs.

* The Account Has An Overly Broad Host Specifier advisor is removed in
this release. Its functionality is included in the new MySQL User
Account security advisor. This new advisor also enables you to
exclude users from event generation using regular expressions.

Bugs Fixed

* The documentation erroneously stated that SSL certificates which
existed in the previous installation must be manually imported after
an upgrade.

The upgrade creates a backup of any existing SSL certificates and
imports them into the upgraded version as part of the upgrade
process. (Bug #25833748)

* MySQL Enterprise Service Manager stopped responding if a custom
graph was imported, and the graph's definition included a hyphen (-)
in the name.

If a service restart was attempted, an Unexpected token error was
logged and Tomcat would not start. (Bug #25761280)

* MySQL Enterprise Monitor Agent and MySQL Enterprise Service Manager
configuration utilities did not clearly state that they must be run
while MySQL Enterprise Monitor Agent and MySQL Enterprise Service
Manager are stopped.

The documentation was also updated with this information. (Bug
#25697013)

* Network speeds were incorrectly reported on the Network Interfaces
table of the MySQL Instances dashboard. (Bug #25636784)

* OS X 10.12 Sierra was not recognised and was listed as Unknown. (Bug
#25511036)

* It MySQL Enterprise Monitor Agent encountered an error, it failed to
restart due to a permissions issue. The mysql-monitor-agent.pid ran
as root and could not be stopped by the agentrestart.sh which runs
under the same user as MySQL Enterprise Monitor Agent.

As of this release, the mysql-monitor-agent.pid is created with the
permissions 644 (-rw-r--r--). (Bug #24667408)

* On Windows platforms, it was not possible to install to a path which
contained spaces on any drive other than the C:\ drive.

For example, trying to install to D:\Program
Files\MySQL\Enterprise\Monitor failed, while C:\Program
Files\MySQL\Enterprise\Monitor succeeded. (Bug #24482872)

* The MySQL Enterprise Monitor Agent was not properly displayed as
running and monitoring an instance. This occurred if it was stopped
and it's monitored instance removed from the MySQL Instances
dashboard, and then the MySQL Enterprise Monitor Agent was
restarted.

* Empty groups were not displayed on the Advisors page.

* It was not possible to edit a replication group's description. The
change was not saved.

* A number of minor UI issues were corrected in this release. Issues
such as double colons (::) in the system uptime frame, duplicated
icons on buttons, and so on.

* If an instance was renamed on the MySQL Instances dashboard, the
instance name was not updated immediately elsewhere in the user
interface.

* The backup bar charts, Backup Run Time History and Backup Lock Time
History graphs displayed extra zeroes after an upgrade from MySQL
Enterprise Service Manager 3.2 to 3.3 or 3.4.

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MySQL Enterprise Monitor 3.4.0 GA has been released
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