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esp8266/general: Add "Scarcity of runtime resources" section.

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With warnings of need to close files, sockets, etc.
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Paul Sokolovsky 2017-01-04 10:15:03 +03:00
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docs/esp8266/general.rst
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@ -58,6 +58,17 @@ For your convenience, some of technical specifications are provided below:
and always-available BootROM bootloader, ESP8266 is not brickable.
Scarcity of runtime resources
-----------------------------
ESP8266 has very modest resources (first of all, RAM memory). So, please
avoid allocating too big container objects (lists, dictionaries) and
buffers. There is also no full-fledged OS to keep track of resources
and automatically clean them up, so that's the task of a user/user
application: please be sure to close open files, sockets, etc. as soon
as possible after use.
Boot process
------------