Gregory Stark <[EMAIL PROTECTED]> writes: > When we checkpoint we write out all dirty buffers. But ISTM we don't really > need to write out buffers which are dirty but which have an LSN older than the > previous checkpoint. Those represent buffers which were dirtied by a > non-wal-logged modification, ie, hint bit setting. The other non-wal-logged > operations will sync the buffer themselves when they're done.
In the current dispensation we don't really care how long a checkpoint takes, so I don't see the advantage to be gained. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match