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@ -161,9 +161,9 @@ on certain cache keys, and is given exclusive access to that key for the
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duration of the lock. This locking mechanism allows multiple builders to
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duration of the lock. This locking mechanism allows multiple builders to
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share cache data even though they're running in parallel.
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share cache data even though they're running in parallel.
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For example, both the VMware and VirtualBox support downloading an operating
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For example, both the VMware and VirtualBox builders support downloading an
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system ISO from the internet. Most of the time, this ISO is identical. The
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operating system ISO from the internet. Most of the time, this ISO is identical.
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locking mechanisms of the cache allow one of the builders to download it
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The locking mechanisms of the cache allow one of the builders to download it
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only once, but allow both builders to share the downloaded file.
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only once, but allow both builders to share the downloaded file.
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The [documentation for packer.Cache](#) is
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The [documentation for packer.Cache](#) is
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