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Bug 1929210 Comment 0 Edit History
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Whenever Telemetry probes are migrated to Glean, there is a 0.1% to 0.2% increase in XUL size. Some examples : [here](https://treeherder.mozilla.org/perfherder/graphs?highlightAlerts=1&highlightChangelogData=1&highlightCommonAlerts=0&replicates=0&selected=1688129,101249115&series=autoland,1457010,1,2&series=autoland,1688129,1,2&timerange=7776000&zoom=1726835557457,1726843886619,140623334.31978902,142364311.52655017) [here](https://treeherder.mozilla.org/perfherder/graphs?highlightAlerts=1&highlightChangelogData=1&highlightCommonAlerts=0&replicates=0&selected=1688129,104132346&series=autoland,1457010,1,2&series=autoland,1688129,1,2&timerange=7776000&zoom=1727251288175,1727263358154,140095322.79820383,142917011.2265987) [here](https://treeherder.mozilla.org/perfherder/graphs?highlightAlerts=1&highlightChangelogData=1&highlightCommonAlerts=0&replicates=0&selected=1688129,106976175&series=autoland,1457010,1,2&series=autoland,1688129,1,2&timerange=7776000&zoom=1727708447482,1727715001217,141060106.67243195,143618194.65772238) [here](https://treeherder.mozilla.org/perfherder/graphs?highlightAlerts=1&highlightChangelogData=1&highlightCommonAlerts=0&replicates=0&selected=1688129,108905799&series=autoland,1457010,1,2&series=autoland,1688129,1,2&timerange=7776000&zoom=1727953619227,1727982026053,141424600.86739212,143437273.73240107) [here](https://treeherder.mozilla.org/perfherder/graphs?highlightAlerts=1&highlightChangelogData=1&highlightCommonAlerts=0&replicates=0&selected=1688129,109052396&series=autoland,1457010,1,2&series=autoland,1688129,1,2&timerange=7776000&zoom=1727970145615,1727972172831,142145327.08215284,143007460.16096926) [here](https://treeherder.mozilla.org/perfherder/graphs?highlightAlerts=1&highlightChangelogData=1&highlightCommonAlerts=0&replicates=0&selected=1688129,108905799&series=autoland,1457010,1,2&series=autoland,1688129,1,2&timerange=7776000&zoom=1727952636961,1727975995145,142047001.42557034,143112534.11881036) [here](https://treeherder.mozilla.org/perfherder/graphs?highlightAlerts=1&highlightChangelogData=1&highlightCommonAlerts=0&replicates=0&selected=1688129,109052396&series=autoland,1457010,1,2&series=autoland,1688129,1,2&timerange=7776000&zoom=1727969920443,1727972601040,142337277.6838631,142934431.62521976) The increase in XUL size may be expected as some code is moving from js or addon or code outside of XUL to inside XUL. But noting here for posterity. Additionally, the increase per landing is small (0.1% to 0.2%). However, it may be worthwhile to analyze the overall impact of all the migration/conversion on the size. Marking initial "regressed by" on bug 1918702, but please change as appropriate. Adding some folks who may have some opinion.