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rocksdb/DUMP_FORMAT.md

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RocksDB dump format

The version 1 RocksDB dump format is fairly simple:

  1. The dump starts with the magic 8 byte identifier "ROCKDUMP"

  2. The magic is followed by an 8 byte big-endian version which is 0x00000001.

  3. Next are arbitrarily sized chunks of bytes prepended by 4 byte little endian number indicating how large each chunk is.

  4. The first chunk is special and is a json string indicating some things about the creation of this dump. It contains the following keys:

  • database-path: The path of the database this dump was created from.
  • hostname: The hostname of the machine where the dump was created.
  • creation-time: Unix seconds since epoc when this dump was created.
  1. Following the info dump the slices paired into are key/value pairs.