Scheduled an upgrade of MySQL to 5.5 for all servers currently using MySQL 5.1.

Here is the upgrade schedule based on data warehouse location:

  • European servers: Apr 30, 23:00-23:59 CEST
  • Hong Kong servers: May 02, 03:00-04:00 HKT
  • US-based servers: May 03, 04:00-05:00 EDT

During these maintenance timeframes the MySQL service on each server will be restarted. During the restart certain queries may be halted/dropped. Full service will be restored the moment the MySQL service is restared.

Monday, April 30, 2012

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