I try different to serialize my data before saving into RocksDB. #rustlang

serde_json

Time

real    4m11.713s
user    13m32.809s
sys     1m33.887s

Space

2.1GB

bincode

Time

real    2m13.772s
user    10m45.541s
sys     1m41.670s

Space

1.1GB

serde-lexpr (S-Expression)

Time

real    10m54.622s
user    22m11.570s
sys     1m10.663s

Space

2.2GB

serde_cbor

Time

real    2m52.010s
user    12m17.019s
sys     1m32.687s

Space

1.7GB

CBOR and bincode are obviously faster than JSON and S-Expression. CBOR is a less efficient than bincode. However, more programming languages support CBOR.