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MySQL and MariaDB topics: crashes, tuning, replication, recovery.
- 12 min read
MySQL OOM on cPanel: diagnosing innodb_buffer_pool_size
A 2026 postmortem on MySQL OOM on cPanel: ChkServd alerts, the InnoDB buffer pool error, the math behind safe sizing, and the fix flow we ship.
- 2 min read
Sample incident: MariaDB OOM kill on a shared cPanel node
A walkthrough of one Saturday-morning MySQL crash on a cPanel server: what alerted, what we ran, and the InnoDB buffer-pool change that closed the ticket.
- 2 min read
MariaDB slow log permissions on cPanel: the quick reference
Fix MariaDB slow_log Permission denied on cPanel after a MariaDB updater run, plus a weekly cron that re-asserts ownership before the next reset.