Still avoid *rebuilding* the cache, as in the use_cache not set suggests a mass amount of setAttribs and build_cache(1) would be extremely expensive,
just force the next consumer after the set to take the hit
git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/branches/2.7@14002 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
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