Fix excessive number of FDs used by multi-part cache
Open one part of a multi-part cache at a time and do it when cache is actually getting used to prevent exhaustion of FDs for applications that aren't ready to work with more than 1024 FDs.
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Open one part of a multi-part cache at a time and do it when cache is actually getting used to prevent exhaustion of FDs for applications that aren't ready to work with more than 1024 FDs.