The Lighthouse Keeper Analogy Think of InnoDB’s redo log as a lighthouse keeper’s journal. Before modern GPS, lighthouse keepers kept meticulous logs: “3:15 PM — Ship passing north.” “4:22 PM — Lit beacon for fog.” “5:03 PM — Wind shifted west.” If anything went wrong, investigators could reconstruct what happened by reading the log. InnoDB works the same way. Before ...
A number of major differences in behavior between the NDB and InnoDB storage engines with regard to some common types of database-driven application workloads are shown in the following table:: Table 25.2 Differences between InnoDB and NDB storage engines, common types of data-driven application workloads.
A newly reported vulnerability, CVE-2025-53045, has been identified in the MySQL Server product by Oracle, specifically in the widely used InnoDB component. While its CVSS 3.1 base score sits at 4.9 (“Medium”), this vulnerability can have significant operational impact: a privileged attacker with network access can reliably crash
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📌 Overview InnoSleuth is an advanced forensic analysis platform designed to analyze InnoDB tablespaces, UNDO pages, REDO logs, BLOB pages, and compressed records, while integrating IOC hunting, Threat Intelligence correlation, AI anomaly detection, and YARA rule scanning.
I now found out that the fact that I only have two innodb_undo_tablespaces could be the reason why more purge threads do not help. I would therefore like to increase the undo tablespace count. Unfortunately this seems to be a non-modifiable parameter in aws rds and I cannot change it on an existing instance and also not for a new database.
