Fri.Dec 22, 2023

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What’s New in Percona Toolkit 3.5.6

Percona

Percona Toolkit 3.5.6 was released on December 21, 2023. This blog post covers the main changes in this release. New tool: pt-galera-log-explainer We continue adding more instruments for the Support teams. pt - galera - log - explainer was written by my Percona Support colleague Yoann La Cancellera. pt - galera - log - explainer filters, aggregates, and summarizes multiple Galera library logs together.

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The Pros and Cons of Wildcard Indexes on MongoDB

Percona

​​MongoDB is a schemaless database that is extremely flexible. When you create a collection, you don’t have to specify a structure in advance, providing field names and data types. Just start inserting JSON documents, and MongoDB will store them, no matter which fields and data types you provide. As a consequence, a collection can store completely different documents.