> vacuum should be a process with the least amount of voodoo. > If we can just have vacuum_delay and vacuum_threshold, where > threshold allows an arbitrary setting of how much bandwidth > we will allot to the process, then that is a beyond wonderful thing. > > It is easy to determine how much IO you have, and what you can spare.
The tricky part is what metric to use. Imho "IO per second" would be good. In a typical DB scenario that is the IO bottleneck, not the Mb/s. Andreas ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org