bdflushr

Description

The bdflushr parameter specifies how often, in seconds, the bdflush daemon is executed; bdflush performs periodic flushes of dirty file system buffers. It is parallel and similar to vfs_syncr.

This parameter is specified in /var/sysgen/mtune. For more information, see the autoup kernel parameter.

Value

Default: 5

Range: 1-31536000 (1 Year)

When to Change

This value is adequate for most systems. Increasing this parameter increases the chance that more data could be lost if the system crashes. Decreasing this parameter increases system overhead.