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Exchange High Memory Usage

By Monkey Boy ·
Have a server that runs Exchange 5.5 SP2.
This is showing very high memory usage on STORE.EXE (approx 870MB with 1Gb Total Physical Memory). Cant work out why the Information Store is using so much memory. It obviously appears as though there is amemory leak somewhere but it seems to have topped out at around the 870MB mark. The server hosts no mailboxes at all and is just used for Public Folders (6,000+). Can't upgrade to SP3 yet cause we've found the same memory leak in SP3 (in a lab environment)which is fixed by hotfix Q241516. Is there anyway of finding out more specificly why the STORE.EXE is using so much memory. Task manager shows >5% total processor utilisation overall. Anyone come accross this fault before ? Rebooting before anyone asks doesn't fix the fault. I still need to check the event logs to see if there's anything in there.

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Exchange High Memory Usage

by yorkster In reply to Exchange High Memory Usag ...

exchange is by design setup to use all memory avilable, you can limit the ammount of memory exchange uses in prifwiz (performance optimizer), but unless there is a problem or another process needs memory leave it alone, exchange will free memory if needed by the system.

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Exchange High Memory Usage

by Monkey Boy In reply to Exchange High Memory Usag ...

The question was auto-closed by TechRepublic

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Exchange High Memory Usage

by McKayTech In reply to Exchange High Memory Usag ...

That's one of those "fault versus feature" situations. As already stated, Exchange v5.5 will use whatever memory is available unless you explicitly limit it.

On a server that supports 6,000 public folders, having the Information Store allocate 870meg to itself wouldn't be particularly unusual in my experience and I wouldn't necessarily infer that there was a memory leak. If the server is stable and you're not getting errors related to running out of virtual memory, I would probably only watch it closely and I would probably still go ahead with SP3 because it has some pretty significant fixes in it. However, of course, your mileage may vary.

paul

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Exchange High Memory Usage

by Monkey Boy In reply to Exchange High Memory Usag ...

The question was auto-closed by TechRepublic

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Exchange High Memory Usage

by fred_e944 In reply to Exchange High Memory Usag ...

I think the amount of memory allocated can be set by running Performance Optimizer in verbose mode (perfwiz.exe -v). It may have some name relating to "number of buffers".

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Exchange High Memory Usage

by Monkey Boy In reply to Exchange High Memory Usag ...

The question was auto-closed by TechRepublic

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Exchange High Memory Usage

by Monkey Boy In reply to Exchange High Memory Usag ...

This question was auto closed due to inactivity

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