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Displaying posts with tag: bazaar (reset)

MariaDB moves development to Github
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Today marks a milestone in terms of the MariaDB project – going forward, the MariaDB project plans to use Github and git for source code management. The migration happens from Launchpad and the bzr tool.

The 10.1 server development (under heavy development now) will happen on Github. You can check it out here: https://github.com/MariaDB/server. Feel free to watch, star or even fork the code, and send us contributions!

Previous maria-captains should now provide their Github IDs so that they can be accorded similar status. Send the IDs to the maria-developers mailing list.

The project eventually wants to move the 10.0, 5.5, 5.3, 5.2, and

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Jenkins Bazaar plugin 1.19
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I recently released a new version of the Bazaar plugin for Jenkins. This release was inspired by a problem we noticed at Percona. It is:

  • run “bzr revert” after a pull, as if you have a directory that is removed and re-added while having unknown files in said directory (e.g. build artifacts), you would end up in a very bad place (this is a BZR bug, so we work-around it with a “bzr revert”).

The update has already appeared in the Jenkins update centre, so you should already be able to upgrade to it.

New Jenkins Bazaar plugin release! 1.18
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From the desk of your new Bazaar plugin for Jenkins maintainer, I give you Version 1.18.

This release has two good bug fixes:

  • UI fix for checkout option (JENKINS-12261)
  • Auto-recover from corrupt BZR branches (e.g. bzr branch/checkout killed at inopportune moment) by cleaning the workspace and trying again (this is now default behaviour, best used with the Jenkins SCM retry count feature being > 1)

We’ve been running the same code as this release at Percona for about 2 months now (the second bugfix was one I wanted to test first before submitting upstream). This is the big fix that fixed all our problems with using bazaar with Jenkins in a large deployment.

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Hacking the Jenkins BZR plugin
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For Drizzle and for all of the projects we work on at Percona we use the Bazaar revision control system (largely because it’s what we were using at MySQL and it’s what MySQL still uses). We also use Jenkins.

We have a lot of jobs in our Jenkins. A lot. We build upstream MySQL 5.1, 5.5 and 5.6, Percona Server 5.1, Percona Server 5.5, XtraBackup 1.6, 2.0 and 2.1. For each of these we also have the normal trunk builds as well as parameterised ones that allow a developer to test out a tree before they ask for it to be merged. We also have each of these products across seven operating systems and for each of those both x86 32bit and 64bit. If we weren’t already in the

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How to Build MySQL 5.5 from Source Code on Windows
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Not counting obtaining the source code, and once you have the prerequisites satisfied, [Windows] users can build from source code in 5 easy steps.

Prerequisites – Install & ensure they are in the $PATH:

  • CMake Download
  • C++ compiler Free Download
  • Bison Download (ensure m4.exe is also included, which it should be)

    Optional (but most likely you’ll want):

  • Perl Strawberry Perl is a great option.
  • Bazaar source tree

    Tip: Install these in locations where spaces are not in the path. Specifically, watch for the Bison/m4 as there is a known bug with regards to that.

    ..

    Now that that’s out of the way, we can begin. You just need to decide if you want to build from

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    Protocol, the GPL, and how Bazaar can help
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    Mark Callaghan asks Can a protocol be GPL?, after finding a disturbing comment in a source file:
    Any re-implementations of this protocol must also be under GPL, unless one has got an license from MySQL AB stating otherwise.

    I recall talking with one of the company lawyers about this matter, and he assured me that the GPL can't be used for a protocol, and that's why this notice was dropped from MySQL.com site a few years ago, even before the Sun acquisition.
    This is thus an embarrassing piece of ancient history (which will hopefully


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    451 CAOS Links 2009.12.11
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    Sun updates Java platform. Red Hat open sources SPICE. And more.

    Follow 451 CAOS Links live @caostheory on Twitter and Identi.ca
    “Tracking the open source news wires, so you don’t have to.”

    For the latest on Oracle’s acquisition of MySQL via Sun, see Everything you always wanted to know about MySQL but were afraid to ask

    # Sun has released Java Platform EE 6, Glassfish 3, and NetBeans 6.8.

    # Red Hat released its SPICE hosted virtual desktop protocol as open


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    MySAR: A sar-like Utility for MySQL
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    Why a New Utility?

    A couple of months back, Tim Procter, Sheeri Cabral and I were discussing about how best to diagnose a MySQL server and/or tune its performance, automating the process as much as possible. The Performance Advisors from MySQL Enterprise (http://www.mysql.com/products/enterprise/) do this, but most of our customers don’t have a subscription and Pythian’s collective experience is not necessary reflected by its rules.

    In our daily work, we have used Major Heyden’s MySQL Tuner, Mark Leith’s Statpack and our own tools to review a MySQL server configuration parameters. However, all of these tools had limitations in regards of what we wanted to achieve. Our major

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    451 CAOS Links 2009.06.30
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    Governments. Governance. Customers wins. And more.

    Follow 451 CAOS Links live @caostheory
    “Tracking the open source news wires, so you don’t have to.”

    Governments
    The Examiner provided a two part interview with Daniel Risascher, Office of the CIO, Department of Defense, on open source at the DoD, while Government Technology Magazine reported on how open source software and cloud computing can save government money. Similarly, The UK Conservative party delivered a paper on the future of open standards, open source, SOA and cloud for UK Government, while it was reported that Vienna to teach its public servants


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    Modular vs Integrated
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    There’s actually no single “correct” answer! It all depends on

  • where in a stack the component lives;
  • the state of the market for that component region;
  • sometimes even geographic location of the user comes into play.
  • Yes, for OSS projects modularity is handy in terms of handling contributions, but modularity may not be the best way to deal with a problem in a certain market state and situation!

    Research has shown (see, for example, “The Innovator’s Solution” by Clayton Christensen) that the “integrated” region over time actually shifts to a subcomponent of an original integrated component that has since gone modular. An interesting example of this for MySQL its pluggable storage engine interface since version 5.1. MySQL is more modular now, but individual storage engines are tightly integrated for performance

      [Read more...]
    Showing entries 1 to 10 of 25 10 Older Entries

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