[Feature Request] Option to compress request payload in a callback
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调研方向
首先阅读 callback 请求处理代码以及所引用的 PR #3925，了解所提出的方法。完成的标准是：callback 可以选择 gzip 压缩，应用所述的 payload 大小阈值，并保持默认的不压缩行为。
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描述
Problem
While the payload of the HTTP response bodies can be compressed in case of transmitting large amounts of data from the server side to the client, this is not possible for the actual HTTP request body of a callback that sends this data to the server side.
Grids are notoriously using huge JSON structures of several megabytes. Transmitting this data via the network can make the application feel sluggish.
Solution
We could have an option to compress the body of a server side callback on the client side. We could introduce two new parameters for the callback:
compress_payload: bool = False: If True, the callback request payload will be compressed using gzip compression before being sent to the server. Defaults to False.
compress_threshold: int = 5_000: The size threshold in bytes above which the payload will be compressed when compress_payload is True. Set to 0 to always compress regardless of size. Defaults to 5,000 bytes (5 kB).
Alternatives
This can partially be simulated by using client-side callbacks that compress and copy the data to a compressed dcc.Store and then rewire the callbacks to use that store and decompress on the server side. However, this bloats the code and application state.
See referenced PR for more details: https://github.com/plotly/dash/pull/3925
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plotly/dash 的其他 Issue
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good first issue P3 size: 1 task
难度 2/5 1-3 小时 新手友好度 68/100
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enhancement P2 size: 5
难度 5/5 一周以上 新手友好度 45/100
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enhancement P3 size: 10+
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P2 size: 1 task
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enhancement P3 size: 1
难度 3/5 1-2 天 新手友好度 72/100
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