Planet MySQL Planet MySQL: Meta Deutsch Español Français Italiano 日本語 Русский Português 中文
10 Newer Entries Showing entries 121 to 130 of 36062 10 Older Entries
Comment on MariaDB 10.1.13 and Connector/J 1.3.7 now available by Julie Fang
+0 Vote Up -0Vote Down


We’ve been trying to download latest version of MariaDB ODBC driver for windows but we couldn’t connect to the site for some reason. Can someone please help? Is MariaDB Connector 3.0 the latest version? Where we can download it? We tried all links provided on the web and failed every attempt.


Percona Live: Advanced Percona XtraDB Cluster in a Nutshell, La Suite
+0 Vote Up -0Vote Down

This blog post will discuss what is necessary of the Percona Live  Advanced Percona XtraDB Cluster tutorial.

Percona Live 2016 is happening in April! If you are attending, and you are registered to the Percona XtraDB Cluster (Galera) tutorial presented by …

  [Read more...]
Extending the SYS schema to show metadata locks
Employee_Team +0 Vote Up -0Vote Down

Starting with MySQL 5.7, performance_schema has been enhanced to instrument metadata locks, and can be turned on by adding the following line to your my.cnf file:


(At runtime, it can also be enabled by modifying the setup_instruments table in performance_schema.)

From here, you can now query performance_schema.metadata_locks to reveal all currently open metadata locks on your server:

mysqlselect * from performance_schema.metadata_locks\G
*************************** 1.

+0 Vote Up -0Vote Down

This blog is an EXPLAIN FORMAT=JSON wrap-up for the series of posts I’ve done in the last few months.

In this series, we’ve discussed everything unique to


. I intentionally skipped a description of members such as






, which are not unique.

In this series, I only mentioned in …

  [Read more...]
In Brief #007: An Update On MySQL + JSON
+0 Vote Up -0Vote Down

After publishing Part 2 of a series on JSON data in MySQL last week, a few folks reached out to me with some great feedback. Not only that, but they shared some resources I thought would be beneficial to pass on.

Morgan Tocker, the Product Manager that works on JSON support in MySQL pointed me toward the MySQL Server Team’s blog, which is more approachable than the docs for topical matters and directed discussion. Specifically he highlighted …

  [Read more...]
Webinar April 7, 10am PDT – Introduction to Troubleshooting Performance: What Affects Query Execution?
+1 Vote Up -0Vote Down

Join us for our latest webinar on Thursday, April 7, at 10 am PDT (UTC-7) on Introduction to Troubleshooting Performance: What Affects Query Execution?

MySQL installations experience a multitude of issues: server hangs, wrong data stored in the database, slow running queries, stopped replications, poor user connections and many others. It’s often …

  [Read more...]
Still Time for an Early Look at NinesControl (beta) for MySQL & MongoDB
+0 Vote Up -0Vote Down

Your Database, Any Cloud - NinesControl (beta)

As you may have seen, we recently announced NinesControl, a developer friendly service to deploy and manage MySQL and MongoDB clusters using your preferred Cloud Provider.

There is still time for you to join and get an early look at NinesControl - just provide us with your email address, and we will be in touch to give you early access to the service.

NinesControl users will be able to benefit from the following key features:

  • Provision a database on any cloud
  • Real-time unified monitoring …
  [Read more...]
Shinguz: Galera Cache sizing
+0 Vote Up -0Vote Down

To synchronize the data between the Galera Cluster and a new or re-entering Galera node Galera Cluster uses 2 different mechanisms:

  • For full synchronization of data: Snapshot State Transfer (SST).
  • For delta synchronization of data: Incremental State Transfer (IST).

The Incremental State Transfer (IST) is relevant when a node is already known to the Galera Cluster and just left the cluster short time ago. This typically happens in a maintenance window during a rolling cluster restart.

The Galera Cache is a round-robin file based cache that keeps all the write-sets (= transactions + …

  [Read more...]
‘Become a MySQL DBA’ at Percona Live this month!
+0 Vote Up -0Vote Down

As per a related post from last week, we’re looking forward to Percona Live 2016 in Santa Clara, the go-to conference for MySQL & MongoDB users in particular, and open source database enthusiasts in general.

This year we’ve been given the opportunity to conduct a one-day tutorial based on our popular blog series ‘Become a MySQL DBA’. We’re reaching our 20th post in this series (the latest one is on trouble-shooting with pt-stalk) and are excited to be able to share that content and knowledge during this one day session in Santa …

  [Read more...]
See Bill Nye the Science Guy at Percona Live and help change the world: a special offer!
+0 Vote Up -0Vote Down

See Bill Nye the Science Guy at Percona Live Data Performance Conference, and help an excellent cause!

The best science is built on solid data. As a world-renown icon in tech and geek circles everywhere, Bill Nye fights to raise awareness …

  [Read more...]
10 Newer Entries Showing entries 121 to 130 of 36062 10 Older Entries

Planet MySQL © 1995, 2016, Oracle Corporation and/or its affiliates   Legal Policies | Your Privacy Rights | Terms of Use

Content reproduced on this site is the property of the respective copyright holders. It is not reviewed in advance by Oracle and does not necessarily represent the opinion of Oracle or any other party.