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Benchmarking Methodology and Performance Collection
Figure 6-2. Performance Data Collection
# cd /tmp/stats; /usr/local/bin/wmemstat --outfile 60
To start the performance collection at boot, add the following to your crontab file
(with crontab -e):
Figure 6-3. Performance Data Collection
@reboot
(cd /tmp/stats && /usr/local/bin/wmemstat --outfile 60)
After the workload execution is complete, if you wish to have the statistics reviewed,
create a zipped/tar archive of the files collected, or the complete target directory
(/tmp/stats in the example above), and share it with the Ultrastar memory drive
support team to receive expert advice about the execution of your workload.
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