Web applications deployed to moma have poor performances since a couple of days.
When the response to a request is not in cache, its delay of delivery is too long for
having a fluid browsing experience.
Below are some benchmarks between what it is deployed to production and
my local development server (uncached). Regarding the swh storage backend,
I use the same one as the production version: somerset.
$ curl -w "@curl-format.txt" -o /dev/null -i http://localhost:5003/browse/origin/git/url/https://github.com/git/git/visit/2016-09-08T09:58:02/directory/ % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 613k 0 613k 0 0 278k 0 --:--:-- 0:00:02 --:--:-- 278k time_namelookup: 0,001479 time_connect: 0,001828 time_appconnect: 0,000000 time_pretransfer: 0,001882 time_redirect: 0,000000 time_starttransfer: 2,195477 ---------- time_total: 2,202124 $ curl -w "@curl-format.txt" -o /dev/null -u <user>:<password> -i https://archive.softwareheritage.org/browse/origin/git/url/https://github.com/git/git/visit/2016-09-08T09:58:02/directory/ % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 613k 0 613k 0 0 79081 0 --:--:-- 0:00:07 --:--:-- 164k time_namelookup: 0,014480 time_connect: 0,018318 time_appconnect: 0,058750 time_pretransfer: 0,058799 time_redirect: 0,000000 time_starttransfer: 7,917241 ---------- time_total: 7,940864 $ curl -w "@curl-format.txt" -o /dev/null -i http://localhost:5003/browse/origin/git/url/https://github.com/Kitware/CMake/visit/2016-06-15T18:09:28/directory/ % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 197k 0 197k 0 0 179k 0 --:--:-- 0:00:01 --:--:-- 179k time_namelookup: 0,004578 time_connect: 0,004769 time_appconnect: 0,000000 time_pretransfer: 0,004807 time_redirect: 0,000000 time_starttransfer: 1,091453 ---------- time_total: 1,098664 $ curl -w "@curl-format.txt" -o /dev/null -u <user>:<password> -i https://archive.softwareheritage.org/browse/origin/git/url/https://github.com/Kitware/CMake/visit/2016-06-15T18:09:28/directory/ % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 197k 0 197k 0 0 23565 0 --:--:-- 0:00:08 --:--:-- 46397 time_namelookup: 0,005758 time_connect: 0,009316 time_appconnect: 0,055092 time_pretransfer: 0,055150 time_redirect: 0,000000 time_starttransfer: 8,553572 ---------- time_total: 8,562562 $ curl -w "@curl-format.txt" -o /dev/null -u <user>:<password> -i https://archive.softwareheritage.org/browse/origin/git/url/https://github.com/torvalds/linux/visit/2017-09-13T06:26:36/directory/ % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 505k 0 505k 0 0 64847 0 --:--:-- 0:00:07 --:--:-- 105k time_namelookup: 0,004525 time_connect: 0,008921 time_appconnect: 0,079652 time_pretransfer: 0,079756 time_redirect: 0,000000 time_starttransfer: 7,955626 ---------- time_total: 7,986906 $ curl -w "@curl-format.txt" -o /dev/null -i http://localhost:5003/browse/origin/git/url/https://github.com/torvalds/linux/visit/2017-09-13T06:26:36/directory/ % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 505k 0 505k 0 0 337k 0 --:--:-- 0:00:01 --:--:-- 336k time_namelookup: 0,004740 time_connect: 0,004954 time_appconnect: 0,000000 time_pretransfer: 0,004987 time_redirect: 0,000000 time_starttransfer: 1,493119 ---------- time_total: 1,500469 $ curl -w "@curl-format.txt" -o /dev/null -u <user>:<password> -i https://archive.softwareheritage.org/browse/origin/git/url/https://github.com/python/cpython/visit/2016-09-07T06:26:03/directory/ % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 74692 0 74692 0 0 10872 0 --:--:-- 0:00:06 --:--:-- 20413 time_namelookup: 0,006058 time_connect: 0,009963 time_appconnect: 0,057815 time_pretransfer: 0,057864 time_redirect: 0,000000 time_starttransfer: 6,866549 ---------- time_total: 6,869975 $ curl -w "@curl-format.txt" -o /dev/null -i http://localhost:5003/browse/origin/git/url/https://github.com/python/cpython/visit/2016-09-07T06:26:03/directory/ % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 100 74692 0 74692 0 0 84902 0 --:--:-- --:--:-- --:--:-- 84877 time_namelookup: 0,004967 time_connect: 0,005321 time_appconnect: 0,000000 time_pretransfer: 0,005393 time_redirect: 0,000000 time_starttransfer: 0,872110 ---------- time_total: 0,879735