What is `SableDb`?

SableDb is a key-value NoSQL database that utilizes RocksDb as its storage engine and is compatible with the Redis protocol. It aims to reduce memory costs and increase capacity compared to Redis. SableDb features include Redis-compatible access via any Redis client, up to 64K databases support, asynchronous replication using transaction log tailing and TLS connectivity support.

Oh, and it's written in Rust :)

Building

SableDb is supported on all major OS: Linux, macOS and Windows

Linux /macOS

git clone https://github.com/sabledb-io/sabledb.git
cd sabledb
cargo build --release
cargo test --release

Windows

On Windows, we require MSYS2 terminal for building SableDb.

git clone https://github.com/sabledb-io/sabledb.git
cd sabledb
CFLAGS="-D_ISOC11_SOURCE" cargo build --release
cargo test --release

Running `SableDb`

./target/release/sabledb

Usage:

$target/release/sabledb [sabledb.ini]

Supported features

Persistent data using RocksDb - use SableDb as a persistent storage using Redis's API
TLS connections
Replication using tailing of the transaction log
Highly configurable, but comes with sensible default values
Use the sb command line utility (target/release/sb) for performance testing

Benchmark tool - `sb`

SableDb uses its own benchmarking tool named sb ("SableDb Benchmark"). sb supports the following commands:

set
get
lpush
lpop
rpush
rpop
incr
ping

Run sb --help to get the full help message.

Below is a simple ( ping ) test conducted locally using WSL2 on Windows 10 (same machine is running both SableDb and sb...):

set test, on the same setup (local machine, WSL2 on Windows 10):

Supported commands

String commands

Command	Supported	Fully supported?	Comment
append	✓	✓
decr	✓	✓
decrby	✓	✓
get	✓	✓
getdel	✓	✓
getex	✓	✓
getrange	✓	✓
getset	✓	✓
incr	✓	✓
incrby	✓	✓
incrbyfloat	✓	✓
lcs	✓	🗙	Does not support: `IDX`, `MINMATCHLEN` and `WITHMATCHLEN`
mget	✓	✓
mset	✓	✓
msetnx	✓	✓
psetex	✓	✓
set	✓	✓
setex	✓	✓
setnx	✓	✓
setrange	✓	✓
strlen	✓	✓
substr	✓	✓

List commands

Command	Supported	Fully supported?
blmove	✓	✓
blmpop	✓	✓
blpop	✓	✓
brpop	✓	✓
brpoplpush	✓	✓
lindex	✓	✓
linsert	✓	✓
llen	✓	✓
lmove	✓	✓
lmpop	✓	✓
lpop	✓	✓
lpos	✓	✓
lpush	✓	✓
lpushx	✓	✓
lrange	✓	✓
lrem	✓	✓
lset	✓	✓
ltrim	✓	✓
rpop	✓	✓
rpoplpush	✓	✓
rpush	✓	✓
rpushx	✓	✓

Generic commands

Command	Supported	Fully supported?	Comment
del	✓	✓
ttl	✓	✓

Other commands

Command	Supported	Fully supported?
info	✓	✓
client id	✓	✓
select	✓	✓
ping	✓	✓

Benchmarks

Command `set`

Payload size (bytes)	rps	p50 (ms)	p90 (ms)	p99 (ms)
64	448K	1.127	1.279	1.423
128	420K	1.199	1.375	1.551
256	363K	1.375	1.567	1.799

Command `get`

Payload size (bytes)	rps	p50 (ms)	p90 (ms)	p99 (ms)
64	950K	0.495	0.671	1.087
128	907K	0.511	0.695	1.111
256	905K	0.519	0.711	1.119

Command `mset`

Note: Each mset command is equivalent of 10 set commands

Payload size (bytes)	rps	p50 (ms)	p90 (ms)	p99 (ms)
64	116K	3.8	4.6	6.3
128	72K	6.375	7.039	54.111
256	41.5K	0.432	7.279	226.943

Command `incr`

The increment command is unique because it uses a "read-modify-update" in order to ensure the atomicity of the action which in a multi-threaded environment causes a challenge

Payload size (bytes)	rps	p50 (ms)	p90 (ms)	p99 (ms)
N/A	443K	1.127	1.295	1.383

Network only (`ping` command)

Command	rps	pipeline	p50 (ms)	p90 (ms)	p99 (ms)
ping_inline	1.05M	1	0.407	0.775	1.143
ping_inline	6.65M	20	0.855	1.551	1.815
ping_mbulk	1.05M	1	0.399	0.727	1.127
ping_mbulk	7.96M	20	0.807	1.471	1.711

Command executions can be seen here

faghani/sabledb

What is SableDb?