fix/languages-map-race#7579
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amontenegro
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Jul 20, 2026
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LanguagesMap keeps a shared, in-memory map of "available languages, translated for each locale." It filled that
map lazily — the first request for a given language wrote the entry. But the map (TreeMap) isn't safe for two threads writing at once. This caused an outage on startup on one node. This work is the result of the analysis of the threaddump from that outage.