Need some info on which computer(s) you are doing this on. Normally when I see long run times and low cpu, it's out of RAM or waiting for i/o. What does something like 'htop' show ?
Have you tried to split your input data into smaller pieces ? Perhaps try a year as a test and see if that's still massively slow ? -- You received this message because you are subscribed to the Google Groups "weewx-user" group. To unsubscribe from this group and stop receiving emails from it, send an email to weewx-user+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/5e57077d-8e2e-4529-92f9-d70581d3f6cbn%40googlegroups.com.