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Changeset download performance

Norbert Renner edited this page Jun 20, 2017 · 1 revision

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"