platform: limit the maximum size of sysctl cache #294
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When the logging level is DEBUG or TRACE, we keep all the sysctl values we read in a cache to log how they change. Currently there is no limit on the size of this cache and it can take a large amount of memory. Implement a LRU cache where the oldest entries are deleted to make space for new ones.
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lgtm |
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or maybe reduce the number to 1000 cached entries? Even 10000 is really large. |
Makes sense, changed. Merged as 3a0f711. |
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When the logging level is DEBUG or TRACE, we keep all the sysctl
values we read in a cache to log how they change. Currently there is
no limit on the size of this cache and it can take a large amount of
memory.
Implement a LRU cache where the oldest entries are deleted to make
space for new ones.