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IPTemporary Tables handling in MySQL has a somewhat checkered past. Some time ago, my colleague Przemek wrote a post about differences in the implementations between versions of MySQL. If you are looking for the differences in implementation, that’s a perfect place to check. In this post, I’d like to focus on Session Temporary Tablespaces, InnoDB […]
Since version 4.2, MongoDB provides a new interesting feature called Externally Sourced Configuration File Values. It allows administrators to specify that particular variables will have their values loaded from an external resource. The external resources that are supported, at this time, are: REST APIs, which will cause MongoDB to perform HTTP GET requests to a […]
MongoDB supports multiple authentication mechanisms, including the default one SCRAM, LDAP, Kerberos, and x.509 Certificate Authentication. In the X.509 system, which will be the main point of this blog post, an organization can identify its entities using a pair of certificates and private keys signed and trusted by some Certificate Authority (CA). This model is […]
While we can act on the advice of the WHO and our governments, there’s no doubt that COVID-19 leaves many of us feeling pretty helpless. And while it might seem a small personal contribution, as a community we can lend our computing power to Folding@home, an open source project. Percona is happy to promote this […]