Heyho! On Wednesday 25 August 2010 09.15:33 wstrzalka wrote: > I'm currently playing with very large data import using COPY from > file. > > As this can be extremely long operation (hours in my case) the nice > feature would be some option to show operation progress - how many > rows were already imported. Recently, I've found (on Linux, don't know if other OSs export this information) /proc/<pid>/fdinfo/<fd> extremely helpful. It tells you the position of the file pointer of file number <fd> in process <pid> (I guess for a COPY import this would be the postgresql backend handling your import session.) Unlike other options, you can also use this if you only notice that the process is long-running after you've already started it. Of course it probably will not work if the file is mmapped or otherwise not read in a sequential fashion. cheers -- vb -- All Hail Discordia!
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