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10 Newer Entries Showing entries 121 to 130 of 33309 10 Older Entries
Fun with Bugs #34 - Who has fun to verify your bugs (based on 5.6.21)
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This time I decided not just to review all community bugs fixed in recent MySQL 5,6 GA release, 5.6.21, but also to mention who reported them (Morgan does this recently) and, most important for this post - who verified them.

As I've explained long time ago, verification is an important part of a bugs life cycle in MySQL. We need some MySQL engineer to check the bug and make sure there is a repeatable test case for it or it is at least clear what is the real problem behind the report. Bug must be "Verified" (confirmed internally) before developers start to work on the fix.

Usually this engineer is somebody from the bugs verification team



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New Continuent Tungsten 3.0 Combines Power of Highly Available Open Source DBMS with Real-Time Analytics
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Business Wire  Oracle Open World 2014, Booth # 430- Continuent, Inc., a leading provider of open source database clustering and replication solutions, today announced Continuent Tungsten 3.0, a powerful solution that combines advanced clustering and replication technologies to meet the transaction processing and analytic needs of the entire business. Continuent Tungsten 3.0 enables constant,
What’s new in MySQL Fabric 1.5.2?
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MySQL Fabric 1.5.2 is out. In this release, you will find fixes for some bugs and, specially, new exciting features:

New interface using the MySQL Protocol

Now MySQL Fabric mimics to some extent a MySQL Server. This will foster the MySQL Fabric adoption by other connectors as they will not have to use a XML-RPC protocol.

import mysql.connector

cnx = mysql.connector.connect(host='localhost', port=32275, user='admin', password='adminpasswd')

cur = cnx.cursor()

cur.execute("CALL dump.servers(patterns=%)", multi=True)
print cur.column_names
for row in cur.fetchall():
print "Row", row

Provisioning command group

We have started to make MySQL Fabric Cloud Aware and exploit the easiness to spawn new machines in a cloud environment. There is a long road ahead and this is just the beginning.

$
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Sneak Peek: Continuent Tungsten 3.0
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Get a preview of the next advance in data management technology!  Continuent Tungsten 3.0 brings the power of advanced clustering and replication to offer data management needs for your entire business including MySQL high availability, disaster recovery, multi-master operation, and real-time data warehouse loading. With Continuent Tungsten you can apply the full power not just of MySQL but all
Relocated Connector/Python on GitHub
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We have relocated the MySQL Connector/Python repository on GitHub to the following location:

https://github.com/mysql/mysql-connector-python

The old location will redirect to the above URL.

No, we have not updated the README.txt or made something special for GitHub. I personally don’t mind what is currently showing on GitHub: it is readable, and it is correct. I still hope GitHub will make it easier to show something else, like asking which document to display and as what format.

Replication from Oracle to MariaDB the simple way - Part 2
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The theme for this series of posts is, and indicated in the previous post, "Try and try, again", and there will be more of this now when I start to make this work by playing with Oracle, with PL/SQL and with the restrictions of Oracle Express (which is the version I have available).

So, what we have right now is a way of "sending" SQL statements from Oracle to MariaDB, the question is when and how to send them from Oracle. The idea for this was then to use triggers on the Oracle tables to send the data to MariaDB, like this, assuming we are trying to replicate the orders table from Oracle to MariaDB:



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The latest MaxScale version is out - what has been done since 1.0 beta?
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Mon, 2014-09-29 13:00mriddoch

The MaxScale team have been working hard fixing bugs and improving performance. On Friday we released a update of MaxScale, the pluggable proxy for MySQL and MariaDB, I wanted to write a little about a few of those changes. I will not mention every change, there are release notes that give the list of bugs fixed in this version, but rather highlight a couple of performance related changes and describe the rationale behind them. However before I start on the two items I wanted to discuss just a quick note to say that this version introduces cmake as the means to build MaxScale. The previous Makefiles are still available in this version, but will be withdrawn in future versions as we transition to cmake for build, installation and packaging.

Connection Starvation

In one of the test scenarios that I was running I

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MySQL & OpenStack: How to overcome issues as your dataset grows
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MySQL is the database of choice for most OpenStack components (Ceilometer is a notable exception). If you start with a small deployment, it will probably run like a charm. But as soon as the dataset grows, you will suddenly face several challenges. We will write a series of blog posts explaining the issues you may hit and how to overcome them.

Where is MySQL used in OpenStack?

Have a look at the logical diagram of OpenStack below (click the image for a larger view).

 

The diagram is a bit

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Get per-object grants via common_schema
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Did you know common_schema supports a complete breakdown of all accounts on your database server? It can provide you with the GRANT statements required to set up an account, the REVOKE statements to undo the former, and this can be broken down on a per-object & per-object-type basis. Consider the sql_grants view:

Find who has privileges on a table called t:

select * from common_schema.sql_grants where priv_level_name='table' and object_name='t'\G

           GRANTEE: 'power1'@'localhost'
              user: power1
              host: localhost
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MySQL Connector/Python 2.0.1 GA
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MySQL Connector/Python v2.0 goes GA with version 2.0.1 GA. It is available for download from the MySQL Developer Zone! The previous post about 2.0 described what changed and what was added, here’s an overview:

  • Incompatibilities
    • Supported Python: 2.6 and 2.7 and 3.3 and 3.4
    • Raw Cursors Return bytearray Objects
    • LOAD LOCAL DATA INFILE On by Default
  • New features
    • New Cursors return dictionaries and named tuples
    • Options Files Support Added
  • Packaging and support files removed
  • We are on
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10 Newer Entries Showing entries 121 to 130 of 33309 10 Older Entries

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