Yes, the measurement unit is bytes. When in doubt about the measurement unit you can check the [Graphs View](https://treeherder.mozilla.org/perfherder/graphs?highlightAlerts=1&highlightChangelogData=1&selected=3185103,1435496153&series=autoland,3185103,1,4&timerange=2592000&zoom=1634816436207,1634818245945,1784480.3338143579,1790991.4662563344) in Perfherder
Bug 1737602 Comment 5 Edit History
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Yes, the measurement unit is bytes. When in doubt about the measurement unit you can check the [Graphs View](https://treeherder.mozilla.org/perfherder/graphs?highlightAlerts=1&highlightChangelogData=1&selected=3185103,1435496153&series=autoland,3185103,1,4&timerange=2592000&zoom=1634816436207,1634818245945,1784480.3338143579,1790991.4662563344) page in Perfherder