3 ways your MySQL migration project can shake you up
Once a development or operations team gets over the hurdle of open-source, and start to feel comfortable with the way software works outside of the enterprise world, they will likely start to settle in and feel comfortable. Best not to get too cushy though for there are more surprises hiding around the corner. Here are a few of the biggest ones.
1. Replication Is Not Perfect
Yes, you've installed MySQL, setup a slave, and got it replicating properly. You check the slave and it's 0 seconds behind the master. What's more you monitor the error log file, and have a check in place to alert you if something happens there. Job completed, good job!
Not so fast. Unfortunately this is not the end of the story. Many MySQL replication slaves are not consistent with their masters, but they drift apart silently. …[Read more]