dotScale 2013 MySQL Talk

Very interesting talk on the scaling challenge at WordPress.com given by Barry Abrahamson, CTO of WordPress.

Some key points:

  1. 500 million database tables
  2. 3 data centers in USA
  3. 400.000 shards moved per day
  4. storage on SSD
  5. ~10% of total infrastructure costs are related to backups
  6. ~500 GB / shard
  7. 50 million sites
  8. 2.200 servers, and 500 database servers

Compare this with infrastructure costs for WordPress.

Barry on WordPress

In June, I gave a talk at the dotScale conference in Paris about WordPress.com’s MySQL database architecture and infrastructure. The video is now online:

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