perfsonar / perfsonar/toolkit

Review NIC settings for VMWare VM

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#435 2 comments 0 reactions 3 assignees View on GitHub

@Rezi1999 is already working on this.

Since Jun 5, 2025.

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Description

Following up on #432, it seems like we need to review the system settings we use to tune the system to see if they should apply to VM as well.

One of the proposals is to remove the coalescing parameters depending on the driver:

if [ "${RX_FRAMES-unset}" = "unset" ]; then
    DRIVER=$(ethtool -i $1 | sed -n 's/^driver: //p')
    case $DRIVER in
        igb) RX_FRAMES=;  RX_USECS=1;;
        tg3) RX_FRAMES=1; RX_USECS=1;;
          *) RX_FRAMES=1; RX_USECS=0;;
    esac
fi

and add the following case:

        vmxnet3) RX_FRAMES=; RX_USECS=;;

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