If table is partitioned then that makes
it easy to maintain. Table has grown so huge and the backups are
just keep running long then probably you need to think of
archival or purge.
Purge the data if you don't want data from old partitions
just by doing truncate or drop of those partitions which
completes momentarily without locking the table for a long
time
Archival can be done couple of ways.
We can take mysqldump (preferably from a slave) with a
where condition to filter out the data you don't want to copy.
And then import the dump file to archive database. check this
link out for mysqldump with where clause .. and once data is
copied, the …
The MySQL Utilities team is happy to introduce a new MySQL
utility named ‘mysqlbinlogpurge‘, which allows users to
easily and safely purge binary logs on a master by determining
the binary logs that are obsolete. This utility is included in
MySQL Utilities
release-1.6.1 Alpha release along with ‘mysqlslavetrx‘ and ‘mysqlbinlogrotate‘. This utility enables you
to purge binary logs by ensuring that any files which are in use
or required by any of the slaves in a replication topology are
not deleted. This is achieved by
checking which binary logs have been read on each slave. This
determines the minimal set of binary log files that …
Today Oracle released MySQL 5.7.6 milestone 16. With this, MySQL 5.7
has been in development for over 2 years.
Compared to MySQL 5.6, the changes are quite extensive. The main
effort of the team has been focused on speed, with performance
reportedly improved from 2 to 3 times compared to previous
releases.
A full list of what is new would take too much
space here, but I would like to mention some key points:
- Oracle has spent a considerable amount of energy in the improvement of MySQL security and safety. You will see many new features, but even more old features that were deprecated and more that were removed after deprecation in 5.6.
- The installation process has been changing in every …
The MySQL Utilities Team is pleased to announce a new alpha
release of MySQL Utilities. This release includes a number of
improvements for useabilty, stability, and a few enhancements. A
complete list of all improvements can be found in our release notes.
New Enhancements!
This release represents a stable release of the product. Along
with several defect patches, we also include the following
enhancements.
Improved support for MySQL 5.7 early releases
Improved output for mysqldbcompare
Improved SSL support
New Utilities!
This release also has three new utilities for you to try
out:
mysqlslavetrx - skip transactions on one or more slaves to solve
errant transactions and consistency errors - …
The MySQL Utilities Team is pleased to announce the general
availability (GA) release of MySQL Utilities. This release
includes a number of improvements for useabilty, stability, and a
few enhancements. A complete list of all improvements can be
found in our release notes.
New Enhancements! This release represents a stable release
of the product. Along with several defect patches, we also
include the following enhancements.
- Improved support for MySQL 5.7 early releases
- Improved output for mysqldbcompare
- Improved SSL support
How Can I Download MySQL Utilities?
You can download MySQL Utilities 1.5.2 GA from the following link
using one of the pre-built installation repositories including a
source download.
…
I've completed a new release of the Connector/Arduino! The new
release contains some minor improvements as follows.
- Code has been changed slightly to help with long latency issues over wifi and slow connections.
- A new cleanup method was added to cleanup a final OK packet after a stored procedure call with a result.
- Code now compiles without errors for the latest Beta Arduino IDE (const error).
Enjoy!
Thanks to everyone who attended and participated in last week’s webinar on 'Galera Cluster for MySQL vs MySQL (NDB) Cluster: A High Level Comparison'. If you missed the sessions or would like to watch the webinar again & browse through the slides, they are now available online.
In this webinar, Severalnines VP of Products, Alex Yu, who was part of the team at Ericsson who originally developed the NDB storage engine in 2001, gave an overview of the two clustering architectures and discussed their respective strengths and weaknesses:
- MySQL Cluster architecture: strengths and limitations
- Galera Architecture: strengths and limitations
- Deployment scenarios
- Data migration
- Read and write workloads (Optimistic/pessimistic locking)
- WAN/Geographical replication
- Schema changes
- Management and monitoring …
Join 27,000 others and follow Sean Hull on twitter @hullsean. I was shocked to find this article on ReadWrite: The Truth About DevOps: IT Isn’t Dead; It’s not even Dying. Wait a second, do people really think this? Truth is I have heard whispers of this before. I was at a meetup recently where the […]
The MySQL for Database Administrators training course is one of the most popular courses at Oracle. This is not surprising since it provides a comprehensive range of administration skills to those using the world's most popular open source database.
You can travel to an education center to take this 5-day instructor-led course, and as shown in the table below, events are currently scheduled for delivery in 8 languages (Arabic, Brazilian Portuguese, English, French, Hebrew, Italian, Spanish, Turkish).
If you want to take this training from your own desk, you have two options:
- Training-on-Demand: Start training within 24 hours of registration, following training at your own pace.
- Live-Virtual Event: Follow a live event …
We've all heard the hype. MySQL 5.6 is packed with amazing
new features that address all our database problems. 5.6
deals with replication and HA and performance and monitoring and security and features. It just may cure cancer.
In fact it's been out for ages. It went GA …