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10 Newer Entries Showing entries 91 to 100 of 957 10 Older Entries

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NDB – Forced node shutdown completed. Caused by error 2341: ‘Internal program error (failed ndbrequire)
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recently while working on MySQL cluster 7.3.5, we came across this error

Forced node shutdown completed. Caused by error 2341: 'Internal program error (failed ndbrequire)(Internal error, programming error or missing error message, please report a bug). Temporary error, restart node'.

The management nodes would start up but

the data nodes would complete phase 1 & shutdown, some times at phase 2 and some times at phase 5.

The error one would see in the trace file would be as follows:

Status: Temporary error, restart node
Message: Internal program …
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Upgrade MySQL to a new version with a fresh installation & use shell scripts and mysqldump to reload your data
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There are several ways to upgrade MySQL. In this post, we will use a combination of shell scripts and the mysqldump application to export our MySQL data, and then re-import it back into the upgraded version of MySQL.

In this example, we will be doing a minor version upgrade. We will be going from 5.6.17 to 5.6.19. This method may not work if …

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New! MySQL Utilities release-1.4.4 GA
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The MySQL Utilities Team is pleased to announce the latest GA release of MySQL Utilities, release-1.4.4. This release includes improvements in terms of usability, stability, security and an overall improvement regarding the comprehensibility of the provided error messages.


The following highlights a few of the more significant improvements.

  • mysqlrpladmin errant transactions for switchover have been improved. Note : The errant transactions check requires all servers in the topology to have GTID’s enabled.
  • Failed MySQL server connection error messages now display the actual error returned from the …
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New! MySQL Utilities Now Supports SSL and Configuration Files
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The MySQL Utilities Team is pleased to announce a new release that contains our newest features – SSL and configuration file support. These were added to release-1.5.0-alpha.

How can I make a secure connection to my server via Utilities?

Use the new SSL command-line options that are available for all utilities:

–ssl-ca : The path to a file that contains a list of trusted SSL certificate authorities.
–ssl-cert : The name of the SSL certificate file to use for establishing a secure connection.
–ssl-key : The name of the SSL key file to use for establishing a secure connection.

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MySQL Workbench 6.1.7 GA has been released
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Dear MySQL users,

The MySQL Workbench team announces availability of version 6.1.7 of its
flagship product. MySQL Workbench 6.1.7 is a periodic maintenance release
including 17 bug fixes. Additionally, the supported Linux distribution list has been
refreshed. Users of the product are recommended to upgrade to this version.

MySQL Workbench 6.1

With over 30 new features, this version has many significant
enhancements focusing on real-time performance assessment and analysis
from the SQL statement level to server internals and file IO. You can
see this from additions to the SQL …

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MySQL backup and cleanup bash scripts with mydumper
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1. Backup script

# Fri Jun 27 10:44:49 2014
# done by dragkh
# usage: 
# cat /etc/cron.d/backupmysql 
# 0  3  *  *  *       root    /root/bin/ >>  /var/log/clean.backup.${HOSTNAME}.mysql.mydumper.daily.log 2>&1
# 35  3  *  *  *       root    /root/bin/ >> /var/log/backup.${HOSTNAME}.mysql.mydumper.daily.log 2>&1


seik_date () {
if [ -z $1 ]
# cdate=`date +%Y-%m-%d\ %H:%M:%S\ %Z`; export cdate; echo $cdate
cdate=`date -R`; export cdate; echo $cdate

if [ -z ${2} ]
cdate=`date …
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On PostgreSQL. Interview with Bruce Momjian.
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“There are four things that motivate open source development teams:
1. The challenge/puzzle of programming, 2. Need for the software, 3. Personal advancement, 4. Belief in open source”
— Bruce Momjian.

On PostgreSQL and the challenges of motivating and managing open source teams, I have interviewed Bruce Momjian, Senior Database Architect at EnterpriseDB, and Co-founder of the PostgreSQL Global Development Group and Core …

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Fabric Webinar with Andrew Morgan June 19th.
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MySQL Fabric – High Availability & Automated Sharding for MySQL

MySQL Fabric is built around an extensible and open source framework for managing farms of MySQL Servers. Currently two features have been implemented – High Availability (built on top of MySQL Replication) and scaling out using data sharding. These features can be used in isolation or in combination. MySQL Fabric aware connectors allow transactions and queries to be routed to the correct servers without the need for a proxy node, so operations run as quickly as ever. In this webinar you will learn what MySQL Fabric is, what it can achieve and …

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A New Home for Tungsten in the UK
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I was suitably heartened to hear about the new mine opening up in the Devon here in the UK to mine the element Tungsten.

I comment on this to my associates at Continuent, where comments were made by Csaba as to the appropriate quotes in the article:

“Tungsten is an extraordinary metal.”

“It’s almost as hard as a diamond and has one of the highest melting points of any mineral.”

“Adding a small amount to steel makes it far harder, far more resistant to stress and heat. The benefits to industry are obvious.”

Leading …

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Using MySQL Sandbox to setup a MySQL Fabric cluster in development
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With Fabric's official GA release this week, I thought I would post a spin on how to setup a development environment loosely based on the Fabric Quick Start guide in the manual.

The notable change, is the use of MySQL Sandbox for bootstrapping each of the MySQL instances.

Step 1: Install the MySQL Utilities + Python Connector

In my case, I downloaded:

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10 Newer Entries Showing entries 91 to 100 of 957 10 Older Entries

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