work in progress: Mem cache and dependency res. improvements etc. #9334
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TODO(bep) improve commit message.
Hugo has always been a active user of in-memory caches, but before this commit we did nothing to control the memory usage.
One failing example would be loading lots of big JSON data files and unmarshal them via
transform.Unmarshal
.This commit consolidates all these caches into one single LRU cache with an eviction strategy that also considers used vs. available memory.
Hugo will try to limit its memory usage to 1/4 or total system memory, but this can be controlled with the
HUGO_MEMORYLIMIT
environment variable (a float value representing Gigabytes).A natural next step after this would be to use this cache for
.Content
.Fixes #8307
Fixes #8498
Fixes #8927
Fixes #9192
Fixes #9189
Fixes #7425
Fixes #7437
Fixes #7436
Fixes #7882
Updates #7544
Fixes #9224
Fixes #9324