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$ sudo apt-get install open-vm-tools
$ sudo svcadm enable open-vm-tools

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Optimization: NTPD

To synchronize the time, you can enable this feature in the vm settings on vmware.

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$ sudo apt install ntp
$ sudo svcadm enable ntp
$ sudo ntpdate 0.debian.pool.ntp.org
$ sudo svcadm clear ntp
$ #check ntp
$ ntpq -p

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Optimization: Controller Load Balancing

Next step is optimising the kernel drivers for the LSI 9211-8i card I'm using. This next step greatly optimises performance for SAS drives. As root; open the following file:

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load-balance="logical-block";

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Optimization: vmxnet3 driver - jumbo frames

In this particular setup - I'm using jumbo frames to improve large I/O performance.
A couple of modifications are needed to successfully cope with this. Namely disabling Large Segment Offload (LSO) and tuning the send and receive buffers; which are too small for 10gbit/Jumbo Frames. Open an editor to your likes (in the example - we're using vi):

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