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10 Newer Entries Showing entries 31 to 40 of 286 10 Older Entries

Displaying posts with tag: Python (reset)

MySQL Connector/Python v2.0.0 alpha
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A new major version of Connector/Python is available: v2.0.0 alpha has been been released and is available for download! As with any alpha-software, it’s probably not good to throw it in production just yet.

Our manual has the full change log but here’s an overview of most important changes for this relase.

Some incompatibilities

The world evolves, at least …

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On Dolphins, Panda's and Bugs
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MySQL Bugs On Dolphins, Panda's and Bugs

Like any good OpenSource project the MySQL Bugs website is open for anyone to search through. This ofcourse doesn't include the security bugs.

There is a second collection of bugs in the My Oracle Support and these bugs are only accesseble by customers with a support contract. Even when I have access to MOS I still prefer to use the community bugs site. For service requests etc. I would use MOS.

The openness of the bugs database is one of the topic the …

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MySQL Connector/Python v1.2.2 GA supporting MySQL Fabric
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A few weeks ago MySQL Fabric got GA and shipped together with MySQL Utilities 1.4. Today, 2 weeks late, a tooth less and having fixed my website(s), I can blog about MySQL Connector/Python v1.2 going GA.

My previous post about the release candidate already summed up the important changes, and nothing changed since then except few bug fixes. Here are again the important new features/bugs fixed for Connector/Python v1.2: …

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MySQL Fabric: Musings on Release 1.4.3
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As you might have noticed in the press release, we just released MySQL Utilities 1.4.3, containing MySQL Fabric, as a General Availability (GA) release. This concludes the first chapter of the MySQL Fabric story.

It all started with the idea that it should be as easy to manage and setup a distributed deployments with MySQL servers as it is to manage the MySQL servers themselves. We also noted that some of the features that were most interesting were sharding and high-availability. Since we also recognized that every user had different needs and needed to …

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MySQL Fabric: Server Properties & Scaling out reads
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MySQL Replication is a well-known approach to providing high-availability and scaling out read-only operations (i.e. transactions) as well. In order to make it easy to exploit this scalability axis, we have extended both Fabric and the connectors' interface so that an application can express its willingness to execute a read-only operation and have its request redirected to the server that is most capable of handling it.

In this post, we are going to describe how we can use Fabric and the connector python to scale out read-only operations. We need to introduce some concepts first though.

Fabric organizes …

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Benchmark: SimpleHTTPServer vs pyclustercheck (twisted implementation)
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Github user Adrianlzt provided a python-twisted alternative version of pyclustercheck per discussion on issue 7.

Due to sporadic performance issues noted with the original implementation in SimpleHTTPserver, the benchmarks which I’ve included as part of the project on github use mutli-mechanize library,

  • cache time 1 sec
  • 2 x 100 thread pools
  • 60s ramp up time
  • 600s total duration
  • testing simulated node …
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Writing a Fault-tolerant Database Application using MySQL Fabric - MySQL Fabric 1.4.2 Release Candidate
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If we want to run the application presented in "Writing a Fault-tolerant Database Application using MySQL Fabric" with MySQL Fabric 1.4.2 Release Candidate, some changes to the application are required. In the previous post, we used MySQL Fabric 1.4.0 Alpha and many changes have been made since this version. We can find an updated version of the application here:

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New! MySQL Utilities release-1.4.2-RC
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The MySQL Utilities Team is pleased to announce the latest release candidate (RC) 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 Utilities!
We have also included two new utilities.

  • The mysqlrplsync utility was added, which checks data consistency between servers in a replicated setup. 
  • The mysqlrplms utility was added, which provides …

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Configuring and running MySQL Fabric 1.4.2
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To install and run MySQL Fabric, we need:

  • Python 2.6 or 2.7
  • Connector Python (MySQL Fabric-aware Version 1.2.1 or later)
  • One or more MySQL servers installed and running (5.6.10 or later):
    • Backing Store
    • Managed Servers
  • MySQL Utilities 1.4.2 or later

Python 2.6 or 2.7

We can use the following command to check whether python is installed in our machine or not:

$ python --version

If you don't have the appropriate version …

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MySQL Connector/Python v1.2.1 RC
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Monday 31 March 2014 proved to be a big day for MySQL with 5 announcements of products getting new releases: the next milestone release MySQL Server 5.7.4, MySQL Workbench 6.1 going GA and Connector/J 5.1.30 and MySQL Utilities 1.4.2 RC

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10 Newer Entries Showing entries 31 to 40 of 286 10 Older Entries

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