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Bases de données
Expired TLS certificates can prevent new client connections and, when X.509 is used for Percona Server for MongoDB internal authentication, also prevent members of a replica set or sharded cluster from authenticating to one another. In…
Three parameters control what reaches your server log: a severity floor, whether to attach the triggering SQL, and how many fields each message prints.
A log line has two parts: the message, which PostgreSQL decides, and everything in front of it, which you do. log_line_prefix is the join key. Every fact that lets you connect a line to a session, a transaction, a client, or a moment in…
PostgreSQL's log rotation has three parameters that only make sense together: one rotates at clock boundaries, one at file sizes, and one decides whether to…