git-hulk commented on PR #3001:
URL: https://github.com/apache/kvrocks/pull/3001#issuecomment-2923861396
> Is there any performance impact of this flag? e.g. through redis-benchmark.
In summary, there's no impact on performance.
The first one is running without enable the `--enable-prof` when compiling.
```
hulk@instance-20241021-041032:~$ redis-benchmark -c -p 6666 -n 1000000 -r
1000000 -t set -d 128
====== 6666 -n 1000000 -r 1000000 -t set -d 128 ======
100000 requests completed in 4.52 seconds
0 parallel clients
3 bytes payload
keep alive: 1
host configuration "save": 900 1 300 10 60 10000
host configuration "appendonly": no
multi-thread: no
99.62% <= 0.1 milliseconds
99.95% <= 0.2 milliseconds
100.00% <= 0.3 milliseconds
100.00% <= 0.7 milliseconds
100.00% <= 1.0 milliseconds
22114.11 requests per second
```
The second one is running with `--enable-prof`, but `prof_active` is false.
```
hulk@instance-20241021-041032:~$ redis-benchmark -c -p 6666 -n 1000000 -r
1000000 -t set -d 128
====== 6666 -n 1000000 -r 1000000 -t set -d 128 ======
100000 requests completed in 4.52 seconds
0 parallel clients
3 bytes payload
keep alive: 1
host configuration "save": 900 1 300 10 60 10000
host configuration "appendonly": no
multi-thread: no
99.62% <= 0.1 milliseconds
99.95% <= 0.2 milliseconds
99.99% <= 0.3 milliseconds
100.00% <= 0.4 milliseconds
100.00% <= 0.5 milliseconds
100.00% <= 0.6 milliseconds
100.00% <= 1.0 milliseconds
22128.79 requests per second
```
The last one is running with `--enable-prof` and `prof_active` is true.
```
hulk@instance-20241021-041032:~$ redis-benchmark -c -p 6666 -n 1000000 -r
1000000 -t set -d 128
====== 6666 -n 1000000 -r 1000000 -t set -d 128 ======
100000 requests completed in 4.54 seconds
0 parallel clients
3 bytes payload
keep alive: 1
host configuration "save": 900 1 300 10 60 10000
host configuration "appendonly": no
multi-thread: no
99.51% <= 0.1 milliseconds
99.94% <= 0.2 milliseconds
99.99% <= 0.3 milliseconds
100.00% <= 0.4 milliseconds
100.00% <= 0.4 milliseconds
22011.88 requests per second
```
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