v1
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{"path":"/a/b/1","size":100,"isDir":false,"modificationTime":100,"blockReplication":1,"blockSize":100,"action":"add"}
{"path":"/a/b/2","size":200,"isDir":false,"modificationTime":200,"blockReplication":1,"blockSize":100,"action":"add"}
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{"path":"/a/b/6","size":600,"isDir":false,"modificationTime":600,"blockReplication":1,"blockSize":100,"action":"add"}
{"path":"/a/b/7","size":700,"isDir":false,"modificationTime":700,"blockReplication":1,"blockSize":100,"action":"add"}