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High memory utilization for Page table

cthivierge 4,056 Reputation points
2021-10-21T20:58:57.683+00:00

Hi,

We are running a Windows 2019 core edition with features on demand (on prem server). The server is actually a Azure Application Proxy Connector.

The configuration is a 4 vcpu w/ 16GB RAM

We had several connection issues today and after troubleshooting using perfmon / sysinternal tools that the high memory was caused by the Page Table that is close to 5GB.

The Free system page table entry is not a problem... over 10 000 000 free.

The system cache resident bytes is low... around 200MB

Any hints ?

142622-pagetable.png

Windows Server 2019
Windows Server 2019
A Microsoft server operating system that supports enterprise-level management updated to data storage.
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  1. Gary Reynolds 9,406 Reputation points
    2021-10-22T11:20:17.67+00:00

    Hi @cthivierge

    Sounds like a there might be a memory leak, have you try poolmon, I've had success using in the past to finding memory leak issues.

    Gary.

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  2. cthivierge 4,056 Reputation points
    2021-10-22T11:30:47.29+00:00

    Thanks, it was my other option but poolmon monitor pool paged and pool non paged and those values seems to be ok for me. And all the process together were using max 8-10gb of memory.

    And after i saw the page table using 4gb, i was a bit confused...

    We had to reboot the servers because there was too much issues but because it's not resolve, my guess is it may happen again...

    Thanks

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