Apply minutely diffs performance

General talk
1

How long does it generally take to download and apply 1 minutely diff? Is it longer than a minute? :slight_smile:

Running apply_osc_to_db.sh, I see output that does not include the update ID…

Reading XML file … finished reading nodes. Flushing to database … done.
Reading XML file … finished reading ways. Flushing to database … done.
Reading XML file … finished reading relations. Flushing to database … done.
Update complete.

This takes wayyyyy longer than 1 minute. More like ~10 mins. Might this script be combining minutely diffs and applying more than 1 at a time?

Is there a technical reason the update ID is not displayed?

2

The script can combine multiple diffs in one run. Check apply_osc_to_db.log file contents, it’s telling you the exact diffs that are being processed (updating from … updating to ----> update complete) along with the respective timestamps.

Overall performance may depend on a number of factors. SSD is mandatory these days.