A scenario often encountered in a long-term connection to a server is that if a live broadcast room is hot, suddenly many users enter the room and connect. At this time, the service may be abnormal because the concurrency is too large. How to do overload protection
can't anyone give a practical idea
backend perspective: when the concurrency reaches a certain amount, the backend server expands flexibly.
Front-end angle: more than a certain number of people are required to pay.
I used to use the Chinese version of sublime-text3, but I can t install plug-ins with package controll. So I changed to the English version. I could install the plug-in normally yesterday, but not today. For example, if I want to install sublimeCodeInt...
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for example, 4.1-8.2 is 4 months and 2 days ...
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(venv3_ETC) [root@iZwz9hbv3lrr68d8bo5dvpZ goods]-sharp python views.py Traceback (most recent call last): File "views.py ", line 5, in < module > from .serializer import GoodsSerializer ModuleNotFoundError: No module named _ main__.serializer ; ...
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I am a novice. I encountered some doubts when learning the asynchronism of javascript , as follows: there is an example code like this in teacher Ruan Yifeng s tutorial: does not particularly understand the operation mechanism of the whole mult...