# Clone from an existing container's checkpoint
Meadhainnigh knew very little about development before he joined the project, and he said it’s the first online community he has been a part of. What keeps him going is that community—and to see his and others’ work become a part of a whole.
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Continue reading...，这一点在搜狗输入法2026中也有详细论述
Update Impracticality: The extensive pre-processing for CH makes it unsuitable for frequent updates, let alone OsmAnd’s goal of supporting near real-time changes through hourly map updates.