Exchange 2007 memory performance - question
Hi,I have a question about Exchange 2007 memory performance and if anyone can help me I appreciate:- I have an Exchange 2007 Enterprise SP1 x64, 15 GB Ram, Mailbox Rule with 800 users and the store.exe process is using 14 GB of memory.Is it normal?Thanks for while.Luiz
January 27th, 2010 9:51pm

Hi,I have a question about Exchange 2007 memory performance and if anyone can help me I appreciate:- I have an Exchange 2007 Enterprise SP1 x64, 15 GB Ram, Mailbox Rule with 800 users and the store.exe process is using 14 GB of memory.Is it normal?Thanks for while.Luiz Hello Luiz, The store.exe process will consume as much physical memory as possible in order to improve caching efficiencies. So yes, it is completely normal.
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January 27th, 2010 10:45pm

This is quite normal. Since the days of Exchange 5.5 (perhaps earlier as well), the Store was written to grab as much memory as it can possibly get. The increasing memory consumption is not a "memory leak" When memory is required by other processes, the Store returns memory back to the OS. Store is simply taking advantage of the RAM and uses it for caching, thereby reducing I/O.With 800 users, you should be fine with 15 GB RAM (not 16 GB?). See here for Microsoft's recommendations:UPDATE 2: Exchange 2007 Processor and Memory Recommendationshttp://msexchangeteam.com/archive/2007/01/16/432222.aspx See also Monitoring Common CountersApplies to: Exchange Server 2007 SP2, Exchange Server 2007 SP1 Topic Last Modified: 2008-11-03 http://technet.microsoft.com/en-us/library/cc671175(EXCHG.80).aspx MCTS: Messaging | MCSE: S+M | Small Business Specialist
January 27th, 2010 11:17pm

Hi Neil,thanks for the help.Best Regards.Luiz
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January 28th, 2010 2:13pm

Hi Jon-Alfred,thanks for the help.Best Regards.Luiz
January 28th, 2010 2:15pm

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