# Transaction Coordinator Log

- [Transaction Coordinator Log Overview](https://mariadb.com/docs/server/server-management/server-monitoring-logs/transaction-coordinator-log/transaction-coordinator-log-overview.md): Explains the purpose of the Transaction Coordinator (TC) log (\`tc.log\`), which maintains consistency for XA transactions that affect multiple storage engines, and how to configure it.
- [Heuristic Recovery with the Transaction Coordinator Log](https://mariadb.com/docs/server/server-management/server-monitoring-logs/transaction-coordinator-log/heuristic-recovery-with-the-transaction-coordinator-log.md): Describes the process of heuristic recovery using the TC log to resolve "in-doubt" transactions that may occur after a server crash during a 2-phase commit.


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