cyningsun commented on issue #3169:
URL: https://github.com/apache/kvrocks/issues/3169#issuecomment-3334693372
After the second round of testing, **it was found that the server CPU was
not fully utilized (the number of client connections was too low; the number of
server workers was too small), and there were differences in QPS between each
round, possibly due to uneven thread connections**. Therefore, increase both
parameters to the following, and repeat two rounds of pressure measurement data
as follows. **But the results are not much different from the first two rounds**
**Client**
```sh
local base_cmd="$MEMTIER -s $HOST -p $PORT -P redis -c 32 -t 4 -n
$((TEST_REQUESTS / 16)) --randomize --distinct-client-seed --hide-histogram"
```
> Note:
> The number of client connections is increased to avoid uneven connections
between kvrocks threads
> **1st/2nd Round**: 8\*2
> **Now**: 32\*4
**Kvrocks**
```sh
workers: 36
```
> Note:
> `workers` is increased to make the CPU fully loaded
## 3st Round(Memory/Disk Ratio, 2:3.7)
| Test Scenario | Baseline (ops/sec) | Optimized (ops/sec) | Improvement |
|------|-------------------|-------------------|----------|
| **Single Key 0% hit** | 136,648 | 128,987 | **-5.61%** |
| **Single Key random** | 100,574 | 96,022 | **-4.53%** |
| **Single Key 100% Hit** | 78,562 | 79,420 | **+1.09%** |
| **2 Keys 0% hit** | 119,949 | 116,567 | **-2.82%** |
| **2 Keys random** | 70,851 | 76,876 | **+8.50%** |
| **2 Keys 100% Hit** | 47,415 | 59,806 | **+26.13%** |
| **3 Keys 0% hit** | 104,871 | 102,866 | **-1.91%** |
| **3 Keys random** | 56,258 | 64,206 | **+14.13%** |
| **3 Keys 100% Hit** | 36,380 | 51,678 | **+42.05%** |
| **5 Keys 0% hit** | 84,997 | 89,525 | **+5.33%** |
| **5 Keys random** | 37,097 | 50,382 | **+35.81%** |
| **5 Keys 100% Hit** | 22,784 | 36,795 | **+61.50%** |
| **10 Keys 0% hit** | 52,976 | 66,352 | **+25.25%** |
| **10 Keys random** | 21,500 | 32,056 | **+49.09%** |
| **10 Keys 100% Hit** | 11,901 | 21,633 | **+81.78%** |
## 4st Round Performance results (Memory/Disk Ratio, 6:3.7)
| Test Scenario | Baseline (ops/sec) | Optimized (ops/sec) | Improvement |
|------|-------------------|-------------------|----------|
| **Single Key 0% hit** | 236,030 | 214,487 | **-9.13%** |
| **Single Key random** | 209,624 | 203,763 | **-2.80%** |
| **Single Key 100% Hit** | 197,707 | 175,252 | **-11.36%** |
| **2 Keys 0% hit** | 217,805 | 201,392 | **-7.54%** |
| **2 Keys random** | 184,263 | 153,708 | **-16.58%** |
| **2 Keys 100% Hit** | 143,926 | 134,788 | **-6.35%** |
| **3 Keys 0% hit** | 195,673 | 189,907 | **-2.95%** |
| **3 Keys random** | 145,087 | 131,117 | **-9.63%** |
| **3 Keys 100% Hit** | 117,732 | 104,677 | **-11.09%** |
| **5 Keys 0% hit** | 169,918 | 170,719 | **+0.47%** |
| **5 Keys random** | 113,350 | 98,228 | **-13.34%** |
| **5 Keys 100% Hit** | 80,902 | 76,194 | **-5.82%** |
| **10 Keys 0% hit** | 117,294 | 125,547 | **+7.04%** |
| **10 Keys random** | 65,890 | 63,913 | **-3.00%** |
| **10 Keys 100% Hit** | 46,398 | 45,219 | **-2.54%** |
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