"Tom Lane" <[EMAIL PROTECTED]> writes > > Yes. That's intentional --- otherwise they'd all block each other. >
So if I saw the last two pages on a disk relation are half full, that's nothing wrong? > > Why wouldn't we replay xlog? Note in particular that the bgwriter is > not allowed to push page B to disk until the xlog entry describing the > index change has been flushed to disk. Since that will come after the > xlog entry about the heap change, both changes are necessarily on-disk > in the xlog, and both will be remade during replay. > Yes, I made a mistake. We reply xlog in any ways (no matter the transaction commits or not). Thanks, Qingqing ---------------------------(end of broadcast)--------------------------- TIP 7: don't forget to increase your free space map settings