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GĂ©rard Wisson

Oracle Middleware, administration and monitoring: a day at the DOAG SIG Middleware

By | Application integration & Middleware | No Comments

I am in the train back to Basel (Switzerland) and I will try to summarize the day spent on a SIG Oracle Middleware of the DOAG (German Oracle User Group) session related to Oracle Middleware administration and monitoring. The different topics I saw were: WebLogic 11g clustering and high availability Overiew of the Cloud Control 12c (monitoring, automatization, quality management, cloud management Real User Experience Insight (RUEI): End-to-End User Monitoring and Java Diagnostic Administration and…

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Stéphane Haby

StĂ©[email protected] 2012: Episode 1 – the Pre-Conf. Seminar

By | Technology Survey | No Comments

This morning, I was very happy to go to my first TechEd. Between the 10 seminars, as I said yesterday, I started with SQL Server 2008R2/2012 performance, tuning and optimization session. The thing is that we had just one session for the whole day. I will not copy the presentation of the 2 speakers (Thomas LaRock and Denny Cherry) who presented remarkably this session despite the failure of air conditioning during the morning. Fortunately, it…

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Grégory Steulet

MySQL Data High Availability with semi-synchronous replication

By | Hardware & Storage | No Comments

Starting with MySQL 5.5 it is possible to configure semi-synchronous replication. As you probably know, by default, MySQL replication is asynchronous.  Asynchronous replication means that events/transactions applied on one server are not immediately applied on the other one. In the specific context of MySQL such behavior means that the MySQL Master writes transactions/events to the local binary logs, however it has no idea when the slave(s) will get and process them. Of course such configuration can lead, in case of failover, to some transaction loss since there is no guaranty that the transactions have been transmitted on the standby server(s).

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David Hueber

Flying with “Air Oracle”

By | Technology Survey | One Comment

Finally after a 18 hours, doors-to-doors, journey I’m arrived in San Francisco for Oracle OpenWorld 2011. My trip started in Basel, making a stop in Paris and then an 11 hours flight to San Francisco. Even with the on-board movies this kind of flight are still quite boring, but the funny things is that I really though that I was flying with “Air Oracle“…

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