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| -rw-r--r-- | src/rocksdb/DUMP_FORMAT.md | 16 |
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diff --git a/src/rocksdb/DUMP_FORMAT.md b/src/rocksdb/DUMP_FORMAT.md new file mode 100644 index 000000000..009dabad5 --- /dev/null +++ b/src/rocksdb/DUMP_FORMAT.md @@ -0,0 +1,16 @@ +## 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. + +5) Following the info dump the slices paired into are key/value pairs. |