Changeset download performance - nrenner/achavi GitHub Wiki
Time measurements (curl time_total) for osm.org changeset download API call: http://www.openstreetmap.org/api/0.6/changeset/<id>/download.
See Big changesets.
| CS id | ||||
|---|---|---|---|---|
| 45229331 | 0.409 s | 0.443 s | 0.467 s | 0.551 s |
| 45018920 | 7.319 s | 14.281 s | 13.590 s | 14.053 s |
| 45031863 | 4.662 s | 4.983 s | 4.717 s | 4.722 s |
| 45656403 | 10.227 s | 9.912 s | 9.408 s | 9.626 s |
| 46858895 | 0.072 s | 0.047 s | 0.075 s | 0.071 s |
| 44989548 | 0.769 s | 0.810 s | 0.783 s | 0.768 s |
| 46988696 | 0.705 s | 0.704 s | 0.715 s | 0.735 s |
| 46552513 | 0.736 s | 0.780 s | 0.715 s | 0.713 s |
| 45488240 | 3.363 s | 3.439 s | 3.352 s | 4.818 s |
| 45489434 | 5.577 s | 5.536 s | 5.699 s | 5.768 s |
| 45064759 | 4.113 s | 3.876 s | 3.943 s | 4.032 s |
| 45639229 | 3.415 s | 3.254 s | 3.323 s | 3.209 s |
| 45579952 | 4.931 s | 5.364 s | 4.974 s | 5.009 s |
Command:
LC_ALL=C curl -s -o "cs-#1.osc" -w '| %{filename_effective} | %{size_download} bytes | %{time_starttransfer} s | %{time_total} s |\n' "http://www.openstreetmap.org/api/0.6/changeset/{45229331,45018920,45031863,45656403,46858895,44989548,46988696,46552513,45488240,45489434,45064759,45639229,45579952}/download"