On Mon, Feb 27, 2012 at 4:24 AM, Magnus Hagander <mag...@hagander.net> wrote: > Hi! > > I admit to not having actually tested this since I don't have a good > cluster to test it on right now, but from what I can tell the code in > the new checkpointer process only sends statistics to the collector > once the checkpoint is finished (checkpointer.c, line 549). The 9.1 > and earlier sent this every time they entered a delay state (in > BgWriterNap() called from CheckpointWriteDelay()). > > So in 9.1 and earlier we could see how a checkpoint wrote things as it > was running, but in 9.2 we'll get it all as one big block at the end > of the checkpoint - which can be a lot later in the spread case. > > Am I reading the code right? > > And if so, was this an intentional change, and if so why? To me it > seems like a loss of functionality that should be fixed..
I agree that this should be fixed. Regards, -- Fujii Masao NIPPON TELEGRAPH AND TELEPHONE CORPORATION NTT Open Source Software Center -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
