effective_io_concurrency
A configuration parameter setting the number of concurrent disk I/O operations that can be expected to be executed simultaneously
effective_io_concurrency is a configuration 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
- PostgreSQL 13
- value now used directly instead of being automatically adjusted (commit b09ff536)
- PostgreSQL 8.4
- added (commit b7b8f0b6)
References
- PostgreSQL documentation: effective_io_concurrency