This topic describes the test command used in performance testing of the cluster instances of ApsaraDB for Redis and the metrics.

Test command

./memtier_benchmark -s r-***************.redis.rds.aliyuncs.com -p 6379 -a <password> -c 20 -d 32 --threads=10 --ratio=1:1 --test-time=1800 --select-db=10

Test metric

QPS

Queries per second (QPS) indicates the number of queries processed by a database per second.