MS has now confirmed that DynCache functionality is built-in the memory manager for 2008R2 (see Q_24824531), however the symptoms are exactly the same as for W2003 X64 & W2008 X64 without DynCache, high I/O causing the memory to be consumed until no more memory is available.
Does anyone know the W2008R2 equivalent to MaxSystemCacheMBytes (the DynCache method of limiting the amount of memory used by the System File Cache) ?
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