Microsoft: Windows 2008 R2 Clustering memory leak
1 min read
Recently I’ve build a Windows 2008 R2 file&print cluster which had a generic service as well, we noticed a lot of memory was used by the active machine so I went on searching for an explanation and found the following knowledge base article
Consider the following scenario:
- An application or service frequently uses the Windows Management Instrumentation (WMI) interface to query a Windows Server 2008 R2 failover cluster for hosted virtual machine information by using one of the following commands:
Select * from MSCluster_Resource where Type = ‘Virtual Machine’ and PrivateProperties.VmID = ‘id’Select * from MSCluster_Resource where Type = ‘type1 ‘ [OR type = ‘typeN’ ]*Select * from MSCluster_Resource where Type = ‘Generic Service’ and PrivateProperties.ServiceName = ‘ServiceName’Select * from MSCluster_Resource where Type = ‘Virtual Machine Configuration’ and PrivateProperties.VmId = ‘id’- Hotfix package 974930 is installed on the queried cluster node.
In this scenario, the memory usage of one Wmiprvse.exe process keeps increasing every time WMI queries are conducted. With time, the Wmiprvse.exe process terminates. Because of this issue, the application or service experiences low performance or function failure.
I’ve downloaded the hotfix and installed it on both nodes and the memory leak was gone.
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Kees Baggerman
Kees Baggerman is Senior Technical Director — Performance & Solutions Engineering R&D at Nutanix, where he leads a global team responsible for defining how enterprise applications are delivered on the Nutanix platform. A former Citrix Technology Professional and NVIDIA Enterprise Platform Advisor, he has spent 15+ years driving EUC strategy and technical direction across architecture, product, and customer success. He has been writing here since 2011 — sharing what he learns at the intersection of platform engineering and enterprise IT.
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