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Showing entries 1 to 10 of 1163 10 Older Entries

Displaying posts with tag: Open Source (reset)

Orchestrator 1.2.1 BETA: Pseudo GTID support, reconnect slaves even after master failure
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orchestrator 1.2.1 BETA is released. This version supports Pseudo GTID, and provides one with powerful refactoring of one's replication topologies, even across failed instances.

Depicted: moving a slave up the topology even though …

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orchestrator 1.1.18: new features, support for orchestrator-agent
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Outbrain's orchestrator 1.1.18 is released:

  • Support for orchestrator-agent (see announcement): agent pages, support for agent actions, initiation of seeds (provisioning of new/corrupted servers), auditing of seeds.
  • Clusters dashboard
  • Support for long …
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Announcing orchestrator-agent
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orchestrator-agent is a side-kick, complementary project of orchestrator, implementing a daemon service on one's MySQL hosts which communicates with and accepts commands from orchestrator, built with the original purpose of providing an automated solution for provisioning new or corrupted slaves.

It was built by Outbrain, with Outbrain's specific use case in mind. While we release it as open source, only a …

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Tracing down a problem, finding sloppy code
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Daniel was tracking down what appeared to be a networking problem….

  • server reported 113 (No route to host)
  • However, an strace did not reveal the networking stack ever returning that.
  • On the other side, IP packets were actually received.
  • When confronted with mysteries like this, I get suspicious – mainly of (fellow) programmers.
  • I suggested a grep through the source code, which revealed  return -EHOSTUNREACH;
  • Mystery solved, which allowed us to find what was actually going on.

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Workbench 6.2, CakePHP’s new ORM, and OKC Meetup on Wednesday
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In the beginning was the MySQL command line and it was good. Verbose yes, error prone yes, and even tedious. But it was good. The UPDATE USER set SELECT_PRIV=’Y’, DROP_PRIV_’Y”, UPDATE_PRIV=’Y’,……,LAST_BLOODY_PRIV=’Y”; type errors have caught of us old timers. But it was still good.

Then came some GUI tools that were okay. Not great but they had their uses.

And then came MySQL Workbench. And it was very good.

Now there is MySQL Workbench 6.2 and it is excellent. It came out in Beta last week and has built on the proven success of its predecessors. All the usual stuff is …

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Orchestrator 1.0.5: refactoring masters, multi-master replication
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Outbrain's orchestrator Version 1.0.5 is released.

Quick links: Orchestrator Manual, FAQ, Downloads

Orchestrator now supports refactoring of masters via master-master topologies. …

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Orchestrator 1.0.4 released
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Outbrain's orchestrator Version 1.0.4 is released.

Quick links: Orchestrator Manual, FAQ, Downloads

What's new?

Co-masters

orchestrator now does a much better visualization of Master-Master …

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On PostgreSQL. Interview with Bruce Momjian.
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“There are four things that motivate open source development teams:
1. The challenge/puzzle of programming, 2. Need for the software, 3. Personal advancement, 4. Belief in open source”
— Bruce Momjian.

On PostgreSQL and the challenges of motivating and managing open source teams, I have interviewed Bruce Momjian, Senior Database Architect at EnterpriseDB, and Co-founder of the PostgreSQL Global Development Group and Core …


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Introducing Orchestrator: manage and visualize your MySQL replication topologies and get home for dinner
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I'm happy to announce the availability of Outbrain's Orchestrator: MySQL replication management & visualization tool.

  • Orchestrator reads your replication topologies (give it one server - be it master or slave - in each topology, and it will reveal the rest).
  • It keeps a state of this topology.
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"Anemomaster": DML visibility. Your must-do for tomorrow
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Here's our take of master DML query monitoring at Outbrain (presented April 2014). It took a half-day to code, implement, automate and deploy, and within the first hour of work we managed to catch multiple ill-doing services and scripts. You might want to try this out for yourself.

What's this about?

What queries do you monitor on your MySQL servers? Many don't monitor queries at all, and only look up slow queries on occasion, using …

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Showing entries 1 to 10 of 1163 10 Older Entries

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