{"action":"created","issue":{"url":"https://api.github.com/repos/mapbox/vector-tile-spec/issues/85","repository_url":"https://api.github.com/repos/mapbox/vector-tile-spec","labels_url":"https://api.github.com/repos/mapbox/vector-tile-spec/issues/85/labels{/name}","comments_url":"https://api.github.com/repos/mapbox/vector-tile-spec/issues/85/comments","events_url":"https://api.github.com/repos/mapbox/vector-tile-spec/issues/85/events","html_url":"https://github.com/mapbox/vector-tile-spec/issues/85","id":171414043,"number":85,"title":"Question: Can I use one very large vector tile source, or should I break it into smaller sources?","user":{"login":"sdawson26","id":5412834,"avatar_url":"https://avatars.githubusercontent.com/u/5412834?v=3","gravatar_id":"","url":"https://api.github.com/users/sdawson26","html_url":"https://github.com/sdawson26","followers_url":"https://api.github.com/users/sdawson26/followers","following_url":"https://api.github.com/users/sdawson26/following{/other_user}","gists_url":"https://api.github.com/users/sdawson26/gists{/gist_id}","starred_url":"https://api.github.com/users/sdawson26/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/sdawson26/subscriptions","organizations_url":"https://api.github.com/users/sdawson26/orgs","repos_url":"https://api.github.com/users/sdawson26/repos","events_url":"https://api.github.com/users/sdawson26/events{/privacy}","received_events_url":"https://api.github.com/users/sdawson26/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-08-16T13:46:57Z","updated_at":"2016-08-24T17:52:44Z","closed_at":"2016-08-24T17:52:44Z","body":"In your experience, how big can mbtile files get before they affect performance? Is the rule of thumb to keep each tile <500kb like Mapbox Classic requires?"},"comment":{"url":"https://api.github.com/repos/mapbox/vector-tile-spec/issues/comments/242152540","html_url":"https://github.com/mapbox/vector-tile-spec/issues/85#issuecomment-242152540","issue_url":"https://api.github.com/repos/mapbox/vector-tile-spec/issues/85","id":242152540,"user":{"login":"flippmoke","id":1794907,"avatar_url":"https://avatars.githubusercontent.com/u/1794907?v=3","gravatar_id":"","url":"https://api.github.com/users/flippmoke","html_url":"https://github.com/flippmoke","followers_url":"https://api.github.com/users/flippmoke/followers","following_url":"https://api.github.com/users/flippmoke/following{/other_user}","gists_url":"https://api.github.com/users/flippmoke/gists{/gist_id}","starred_url":"https://api.github.com/users/flippmoke/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/flippmoke/subscriptions","organizations_url":"https://api.github.com/users/flippmoke/orgs","repos_url":"https://api.github.com/users/flippmoke/repos","events_url":"https://api.github.com/users/flippmoke/events{/privacy}","received_events_url":"https://api.github.com/users/flippmoke/received_events","type":"User","site_admin":false},"created_at":"2016-08-24T17:52:44Z","updated_at":"2016-08-24T17:52:44Z","body":"This is a set of issues that are specifically about the specification itself -- rather not how to implement the standard. However, I will answer your question to the best of my ability!\r\n\r\nBasically vector tiles are general considered to best as small sections of data -- basically only put as much data as you actually need in your tiles. As for MBtiles -- they are simply sql lite databases containing sets of vector tiles so that may grow very large. As for how this will affect performance -- it will greatly depend on how you are extracting data from the MBtiles file. I have no idea how they are indexed and how the internals of SQLite would react to larger/smaller sized buffers (vector tiles). "}}
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