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ford: clear caches in response to memory pressure

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This commit is contained in:
Joe Bryan 2019-09-30 22:46:09 -07:00
parent 515bfcd312
commit 8ff445c68c
1 changed files with 19 additions and 2 deletions
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21
pkg/arvo/sys/vane/ford.hoon
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@ -6171,10 +6171,27 @@
:: ::
:: %trim: in response to memory pressure :: %trim: in response to memory pressure
:: ::
:: XX clear cache
::
%trim %trim
:: ::
?. =(0 p.task)
:: low-priority: remove 50% of cache/stored-builds
::
~> %slog.[0 leaf+"ford: trim: pruning caches"]
=. state.ax (wipe:this-event 50)
[~ ford-gate]
::
:: high-priority: remove 100% of cache/stored-builds
::
:: We use %keep to ensure that cache-keys are also purged,
:: then restore original limits to allow future caching.
::
:: XX cancel in-progress builds?
::
~> %slog.[0 leaf+"ford: trim: clearing caches"]
=/ b-max max-size.queue.build-cache.state.ax
=/ c-max max-size.compiler-cache.state.ax
=. state.ax (keep:this-event 0 0)
=. state.ax (keep:this-event c-max b-max)
[~ ford-gate] [~ ford-gate]
:: ::
:: %vega: learn of kernel upgrade :: %vega: learn of kernel upgrade