'gh-ost' Tag

  • Discussing online schema migrations with Oracle's MySQL engineering managers

    November 23, 2016

    Last week I had the pleasant opportunity of introducing and discussing the operation of online schema migrations to MySQL's engineering managers, as part of their annual meeting, in London. Together with Simon J. Mudd of Booking.com, we discussed our perception of what it takes to run online schema migrations on a live, busy system. While […]

  • Three wishes for a new year

    September 28, 2016

    (Almost) another new year by Jewish calendar. What do I wish for the following year? World peace Good health to all Relaxed GTID constraints I'm still not using GTID, and still see operational issues with working with GTID. As a latest example, our new schema migration solution, gh-ost, allows us to test migrations in production, […]

  • gh-ost 1.0.17: Hooks, Sub-second lag control, Amazon RDS and more

    September 6, 2016

    gh-ost version 1.0.17 is now released, with various additions and fixes. Here are some notes of interest: Hooks gh-ost now supports hooks. These are your own executables that gh-ost will invoke at particular points of interest (validation pass, about to cut-over, success, failure, status, etc.) gh-ost will set various environment variables for your executables to […]

 
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