In a typical key-value store such as leveldb, the entire 'object' is stored at a given key in the database. This is useful, but makes atomic updates to fields in an object more difficult, and prone to ...

I've been unable to run the convert_imageset.bin command on my data set, it always hangs a few thousand files into the process. By debugging into it, I've found that LevelDB's compaction thread is the ...