Why Does SSDB Lag Far Behind Redis in High‑Concurrency Benchmarks?
A benchmark on a test server comparing Redis and SSDB using one million SET, GET, HSET, and HGET requests with 1,000 concurrent clients shows SSDB delivering far lower QPS than Redis, contradicting the performance figures advertised by SSDB.
Test Conditions
Commands: SET, GET, HSET, HGET. Number of requests: 1,000,000. Concurrency: 1,000.
QPS Results
SET : Redis 38,017.03 QPS, SSDB 10,386 QPS.
GET : Redis 37,855.84 QPS, SSDB 11,097 QPS.
HSET : Redis 40,673.55 QPS, SSDB 8,830 QPS.
HGET : Redis 39,021.34 QPS, SSDB 10,429 QPS.
The SSDB performance is significantly lower than Redis, contrary to the figures shown on the SSDB official website, possibly due to different test parameters or hardware constraints.
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