Prevent unbounded BLERadio._connection_cache growth from causing memory exhaustion (issue #146) #147
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…ger valid. This prevents unbounded cache growth from causing memory exhaustion as described in github issue #146.
tannewt
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Dec 13, 2021
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@tannewt Thanks for the comment - much appreciated! :) |
adafruit-adabot
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Updating https://github.com/adafruit/Adafruit_CircuitPython_BLE to 8.1.3 from 8.1.2: > Merge pull request adafruit/Adafruit_CircuitPython_BLE#147 from 300bps/main Updating https://github.com/adafruit/Adafruit_CircuitPython_DisplayIO_Layout to 1.15.2 from 1.15.1: > Merge pull request adafruit/Adafruit_CircuitPython_DisplayIO_Layout#67 from FoamyGuy/widget_int_fix > Merge pull request adafruit/Adafruit_CircuitPython_DisplayIO_Layout#65 from Neradoc/patch-1
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This patch prevents the issue described in #146 from causing memory exhaustion that leads to app hang/crash.
The approach taken was to purge the cache of stale connection entries that have been disconnected each time a new connection is added to the cache.