Investigate removing tarball crawling from the sitemap.

[gbaz]

hackage-server/src/Distribution/Server/Features/Sitemap.hs

Line 276 in 866279e

versionedDocSubEntriesIO = do

This was added in gsoc a few years ago as art of sitemap improvements, but may be too costly when we do it all at once over a network drive. Likely matters little for google or other crawlers, may as well disable and see if it helps performance, since this seems to be a midnight job that corresponds to heavy load.

[gbaz]

alternately we can just change

hackage-server/src/Distribution/Server/Framework/Cron.hs

Line 81 in 866279e

nextJobTime now DailyJobFrequency = now {

to run the dailyjobs at a different hour.