TencentDB for Tendis Hybrid Storage Edition
Instance specification: 64 GB Redis, 512 GB (SSD cloud disk) Tendis
Test parameters:
redis-benchmark -d 128 -r 150000000 -c 600Test results:
Test Case | Eviction Not Triggered (Writes) | Eviction Triggered (Writes) | Hot Data Reads (Eviction Not Triggered) | Hot Data Reads (Eviction Triggered)(Cache Hit Rate 70%) | Eviction Triggered When Memory Is Full (Writes)(-c 30) | Hot and Cold Data Reads (Cache Hit Rate 52%)) |
QPS | 220,000 queries/sec | 177,162 queries/sec | 350,000 queries/sec | 230,000 queries/sec | 94,000 queries/sec | 119,000 queries/sec |
redis_cpu | 99% | 99% | 66% | 99% | 55% | 64% |
tendis_cpu | 99% | 96% | - | 33% | - | - |
1-ms delay | 62.08% | 55.28% | 99% | 37.76% | 99.86% | 97.79% |
10-ms delay | 97.99% | 88.80% | 99.99% | 95.83% | 100% | 99.99% |
Average delay | 2 ms | 3.4 ms | 0.9 ms | 2 ms | 0.16 ms | - |
Delay in 99% test cases | 11 ms | 32 ms | 1 ms | 34 ms | 1 ms | 2 ms |
Maximum delay | 20 ms | - | 5 ms | 351 ms | 13 ms | 20 ms |
Maximum delay (write speed limit triggered) | 1,915 ms | 433 ms | - | - | - | - |
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