effective_io_concurrency

A GUC parameter setting the number of concurrent disk I/O operations that can be expected to be executed simultaneously

effective_io_concurrency is a GUC parameter setting the number of concurrent disk I/O operations that PostgreSQL expects can be executed simultaneously.

effective_io_concurrency was added in PostgreSQL 8.4.

Default value

The default value for effective_io_concurrency is 1.

Change history

Categories

GUC configuration item, Performance, Storage