OK, I did the migration today. My weewx.sdb was about 74MB. It only took the manager a bit over 10 minutes to finish the backfilling. The process started at 22:13:07 and finished at 20:24:37.
Jan 22 20:24:37 wxpi weewx[3224]: manager: Processed 442781 records to backfill 1539 day summaries in 689.98 seconds DS. On Thursday, January 19, 2017 at 5:05:30 PM UTC-8, gjr80 wrote: > > On Friday, 20 January 2017 10:53:44 UTC+10, vince wrote: >> >> >> Older model pi had issues completing it successfully, but I'm >> guessing/hoping a pi3 has enough horsepower that it'll succeed. Be very >> patient during the conversion process. >> > > IIRC the main issue with the older RPi (other than speed) was that > backfilling the daily summaries was done in a single transaction and for > large archives this caused memory issues leading to a crash. This issue was > addressed in 3.5.0 and the daily summary rebuilds are now done in > transactions of so many days rather than one big transaction. So hopefully > that aspect should be crash free. And a contemporary RPi should see the > rebuild done much faster than original RPi. > > Gary > -- 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. For more options, visit https://groups.google.com/d/optout.