Some time ago, I blogged about on how to limit the amount of memory Exchange 2010 can allocate for database cache. After the introduction of Exchange 2010 Service Pack 1 this didn’t seem to work anymore, as many people reported.
After some investigation, it turns out you also need to set the msExchESEparamCacheSizeMin value for Exchange 2010 SP1?s cache manager to honor the minimum and maximum limits for allocating database cache memory.
To show you this, I’ll first show Exchange 2010 SP1 where I only set msExchESEparamCacheSizeMax. In this example, I’ll use a value of 1024 which corresponds to 32 MB (1024 * 32kb pages). I then turned on Performance Monitor and started monitoring the following MSExchange Database Cache\Information Storecounters:
- Database Cache Size, the current allocated database cache size;
- Database Cache Size Min, the minimum database cache size;
- Database Cache Size Max, the maximum database cache size.
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