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sync
文件同步
Merkle hash trees sync
通过Hash Tree,快速定位发生变化的节点(文件)
architecture
sync 文件同步
linux python sync 文件同步 for:doris_dly
同步
architect performance file storage rsync amazon dynamo
文件系统天然的是树状结构,尽管不是平衡的数。如果文件的修改时间是可靠的,可以表征文件的变化,那就可以用它作为文件的Hash值。另一方面,文件的修改通常是按顺序执行的,后修改的文件比早修改的文件具有更大的修改时间,这样就可以把一个目录内的最大修改时间作为它的修改时间,以实现Hash Tree。这样,一旦某个文件被修改,修改时间的信息就会迅速传播到根目录
python sync linux
backup
python sync
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