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Configuring GUC Parameters/
GUC Parameters/
Rollback Parameters
Updated on 2025-08-19 GMT+08:00
Rollback Parameters
max_undo_workers
Parameter description: Specifies the number of undo worker threads invoked during asynchronous rollback. The parameter setting takes effect after the system is restarted.
This is a SIGHUP parameter. Set it based on instructions in Table 1.
Value range: an integer ranging from 1 to 100
Default value: 5
Parent topic: GUC Parameters
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