Daily Archives: July 12, 2017

Distributed Systems Laws Applied to Distributed Databases

Avery’s Law of Distributed Systems Reliability: “Distributed systems are more reliable when you can get a service from one node OR another. They get less reliable when a service depends on one node AND another. And the numbers combine multiplicatively, … Continue reading

Posted in Cassandra, Cloud, Storage, Tech | Leave a comment

Perl, DBI and MySQL utf8mb4 Character Set Support

MySQL’s modern UTF-8 encoding is named utf8mb4 (4 bytes), not utf8 (3 bytes.) For new applications, especially web, you should start with utf8mb4. For existing applications, you need to decide if an upgrade is worthwhile, and test extensively before a … Continue reading

Posted in Linux, MySQL, MySQL Cluster, Open Source, Oracle, Perl, Tech | Leave a comment