502 Bad Gateway for Large Requests (nginx + django) -

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i have site running django nginx. running good, there sections 502 bad gateway.

after bit of analysis, figure out pages ones large contents in them while loading.

for example: have "college" app , "course" app. college can have many courses, if try edit college less 10 courses, works well, if try edit college more 10 courses, gives me 502 bad gateway. has happened such colleges.

any kind of assist. have tried increasing server limits.


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