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module: implement flushCompileCache() #54971

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wants to merge 3 commits into from
Closed

module: implement flushCompileCache() #54971

wants to merge 3 commits into from

Commits on Sep 20, 2024

  1. module: write compile cache to temporary file and then rename it 

    This works better in terms of avoiding race conditions.
    @joyeecheung
    joyeecheung committed Sep 20, 2024
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  2. module: throw when invalid argument is passed to enableCompileCache()

    @joyeecheung
    joyeecheung committed Sep 20, 2024
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  3. module: implement flushCompileCache() 

    This implements an API for users to intentionally flush the
accumulated compile cache instead of waiting until process
shutdown. It may be useful for application that loads dependencies
first and then either reload itself in other instances, or spawning
other instances that load an overlapping set of its dependencies -
in this case its useful to flush the cache early instead of waiting
until the shutdown of itself.

Currently flushing is triggered by either process
shutdown or user requests. In the future we should simply start the
writes right after module loading on a separate thread, and this method
only blocks until all the pending writes (if any) on the other thread
are finished. In that case, the off-thread writes should finish long
before any attempt of flushing is made so the method would then only
incur a negligible overhead from thread synchronization.
    @joyeecheung
    joyeecheung committed Sep 20, 2024
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