Do you get this error when applications try to establish a connection to Cassandra? 2019-08-10 14:03:51,698 ERROR [com.datastax.driver.core.Cluster] (Production Cluster-reconnection-0) Authentication error during reconnection to 10.0.10.10/10.0.10.10:9042,...
MariaDB 10.6 went Generally Available (production ready)! The first GA version is 10.6.3, released on 6th July 2021. I've made a quick test and I want to put my own thoughts and comments here. For more details, take a look at the Changes and Improvements in MariaDB...
MariaDB introduced ignored Indexes in version 10.6. The feature is substantially very similar to MySQL Invisible Indexes (docs), introduced in version 8.0. Here we'll see how to use Ignored Indexes drop indexes in production with a reasonable risk. See our MariaDB...
Indexes are designed to speed up queries against a table. However, they come with a cost: every time a INSERT/UPDATE/DELETE statement is executed against a table, its indexes must be updated. And since indexes are ordered data structures, updating them is more...
I keep an eye on new database technologies, and I kept an eye on immudb for some time. So I was excited when I've read the immudb 1.0.0 release announcement! And I decided to make some experiments with it, and make my impressions public. I would like to mention that,...
MariaDB and MySQL support what they call replication filters. This feature allows us to determine which tables are replicated, and which are not. Filters can be set on a replica to filter-in tables and databases: the replica will not replicate everything from the...
Federico Razzoli at MariaDB Server Fest 2020
Federico Razzoli at MinervaDB Athena 2020
Federico Razzoli at FOSDEM 2021
Federico Razzoli at Percona Live 2021
