wal_block_size

A preset configuration parameter reporting the size of a WAL disk block

wal_block_size is a preset configuration parameter reporting the size of a WAL disk block.

wal_block_size was added in PostgreSQL 8.4.

Default value

The default value for wal_block_size is: 8192 bytes.

A different value may have been set with the --with-wal-blocksize configuration option at compile time (PostgreSQL 8.4 and later).

wal_block_size cannot be modified.

Change history

Categories

GUC configuration item, Preset configuration item, WAL

See also

wal_segment_size, block_size, segment_size