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Host memory always high on ESxi server??

Posted on 2014-03-17
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Last Modified: 2014-03-21
hi guys,

we have an esxi server with around 12 VM's on it. The server itself has enough capacity. However, the host memory shows warnings. We have SQL server installed on around 6 of those VM's. I'm wondering whether it's because SQL takes up RAM like Exchange does and then releases it when applications need to use it? I've attached screenshot of what I'm referring to.

Or should I just double the RAM on the physical Esxi host?

Thanks
Yash
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Question by:Yashy
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by:Zephyr ICT
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How much ram did you give each individual SQL VM? Maybe they're just overcommitted?
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by:Yashy
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Quite a few of them have 8gb of RAM allocated to them.
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Zephyr ICT earned 300 total points
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If most of the VM's have 8GB and they are running SQL that isn't tuned, SQL will take the memory it can, so you'd need to adjust/configure either SQL or add more memory to the host yes.
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by:vmdude
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I would agree, the host is over committed on memory. Memory is usually very cheap these days so if you are going to run memory intensive applications like SQL then upgrading the RAM is the quickest and most effective thing to do.
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by:Seth Simmons
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The server itself has enough capacity.

apparently not...add more ram
sql will use as much memory as it has available like exchange; it's by design
that many guests with 8gb i would have at least 96gb
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