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MySQL Utilities 1.6.4 GA has been released

Dear MySQL users,

MySQL MySQL Utilities 1.6.4 GA is the first GA version of 1.6
release series. It can be used for production environments.

MySQL Utilities version 1.6.4 GA is compatible with MySQL Server
versions 5.5 and greater. Python v2.6 and v2.7 are supported.
It is available for download from:


A brief summary of changes is listed below. Please check the CHANGES.txt
file inside the distribution for a more complete list of changes.

MySQL Utilities provides a collection of command-line utilities that are
used for maintaining and administering MySQL servers, including:
• Admin Utilities (Clone, Copy, Compare, Diff, Export, Import,
User Management)
• Replication Utilities (Setup, Configuration, Verification)
• General Utilities (Disk Usage, Redundant Indexes, Manage Meta &
Audit Data)
• And more

Changes in MySQL Utilities 1.6.4 (2016-08-05)

Functionality Added or Changed

     * Added a new --master-fail-retry option to the
       mysqlfailover utility that allows the user to specify an
       additional delay for detecting when the master has
       failed. The new option allows scenarios where the network
       may have severe latency issues, the server is busy, or
       the server is being rebooted, thereby reducing the
       possibility of false positive failover events.
       (Bug #22878052)

Bugs Fixed

     * Starting with MySQL 5.7.13, some platform distributions
       display a different version string for the command,
       "mysqld --version". For example,
       "5.7.13-0ubuntu0.16.04.2" versus "5.7.13". The utilities
       now correctly identify the version for these server
       versions, or any server with a version string containing
       more than two periods. Without this fix, some utilities
       would incorrectly identify the server version and produce
       warnings, errors, or fail. (Bug #24348569)

     * Corrects an exception thrown for hostname aliases that
       had more than (2) segments. For example, local.mydomain
       contains 2, localhost.mydomain.local contains (3), which
       would result in a catastrophic error "too many values"
       causing the utility to crash. (Bug #23300260)

     * Corrects a problem found when copying tables that
       contained NOT NULL blob fields. When blob fields are
       marked NOT NULL, the copy process would fail with an SQL
       error when inserting data into the target table.
       Copying NOT NULL blob fields is not supported. The
       utility now checks all tables in the list of databases
       for NOT NULL blob fields. If any are found, the database
       and table names are printed along with an error message.
       A workaround is to drop the NOT NULL definition on blob
       fields before the copy and add it after the copy
       completes. (Bug #23111808, Bug #78084)

     * Specifying the --testdir option resulted in unexpected
       behavior when verifying results because the path of the
       directory expected to contain the test results was not
       modified accordingly. (Bug #22934469, Bug #80754)

     * Adds the ability to specify a connection timeout value
       passed to Connector/Python (the connection to MySQL) for
       the mysqlfailover utility. More specifically, it allows a
       user to override Connector/Python's connection_timeout
       default value of 10. (Bug #22932375, Bug #80747)

     * Adds checks for the --exclude option to the
       mysqldbcompare, mysqldbcopy, and mysqldbexport utilities
       to determine if the pattern supplied has any special
       characters (such as an asterisk) which may indicate that
       the pattern could be a regex pattern. If there are
       special non-SQL LIKE pattern characters, and the user has
       not specified the --regexp option, a warning is presented
       to suggest the user may want to check the pattern using
       the --regexp option. (Bug #22905132)

     * Corrects an issue with the --rpl-user and
       --discover-slaves-login options where special symbols or
       improperly quoted strings could cause a crash instead of
       an error message. Tests were also added to ensure the
       utilities report an error should the user:password values
       fail to parse correctly. (Bug #22780854)

     * Corrects a problem using special characters with the
       --rpl-user option. More specifically, if the user
       attempted to use a ":" (colon) in the password, the
       utility failed with an error stating that there are too
       many values to unpack. The utility will now attempt to
       use the first colon encountered for the parse (split).
       Thus, user names should not contain colons, but passwords
       may use any valid symbol (if properly quoted) including
       the colon. (Bug #22619159)

     * Corrects a problem when running mysqlbinlogpurge on a
       5.7.6 or later replication topology setup for
       multi-source replication, which could fail to detect that
       the slave is connected to the master specified if that
       master was not on the primary (first) replication
       channel. The utility now iterates through the slave
       status to check for the requested master in the list. If
       not found, the original error(s) are generated, otherwise
       the master is matched to one of the replication channels,
       and progress continues. (Bug #22543517)

     * Corrects an issue when exporting tables with bit fields
       in SQL format, where bit fields were being exported as
       strings instead of being encoded, like b'???'. Export now
       correctly formats the SQL statements in the output to
       properly handle bit fields. (Bug #22495193, Bug #79837)

     * Installation packaging code was modified to function with
       Mac OS X 10.11 (El Capitan). Installation no longer
       fails, and users can now install MySQL Utilities on El
       Capitan. (Bug #22393353, Bug #79700)

     * Corrects a problem with mysqluc where pressing the delete
       key failed to position the cursor in the correct
       location. The cursor location is now fixed, and the
       delete and arrow keys work properly. (Bug #22076859, Bug

     * Removed the "CREATE database" statement from the diff
       output for mysqldiff and mysqldbcompare for cases where
       the database name is the only difference. That is, the
       different output should not show a difference when
       comparing db1 to db2 when the only difference is the name
       of the database. However, the difference is shown for
       differences in quote usage and if decorators differ, such
       as the character set. (Bug #21222808, Bug #77058)

     * Corrected an issue when copying users that were created
       with the "IDENTIFIED WITH" authentication plugin option.
       The utility would copy the user, but not copy the
       authentication plugin setting, making it impossible to
       copy users with the plugin. The utility now captures the
       plugin name and assigns it to the new user. An error is
       thrown if the plugin is not on the destination machine or
       is inactive. A warning is also issued if the user
       attempts to assign a password to a new user when the
       source user has an authentication plugin. In this case,
       the utility will use the password and not the
       authentication plugin for the new user. (Bug #17666275,
       Bug #70745)

Reporting Bugs
We welcome and appreciate your feedback and bug reports:


On Behalf of the MySQL/ORACLE RE Team
Hery Ramilison

MySQL General Mailing List
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