open-consul/bench/results.md

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# Consul Benchmark Results
As part of a benchmark, we started a 5 node DigitalOcean cluster to do.
There are 3 servers, meaning writes must commit to at least 2 servers.
The cluster uses the 16GB DigitalOcean droplet which has the following specs:
* 8 CPU Cores, 2Ghz
* 16GB RAM
* 160GB SSD disk
* 1Gbps NIC
We used `bonnie++` to benchmark the disk, and the key metrics are:
* 188MB/s sequential write
* 86MB/s sequential read-write-flush
* 2636 random seeks per second
# Output
Below is the output for a test run on a benchmark cluster. We ran the benchmark
several times to warm up the nodes, and this is just a single representative sample.
Note, that a single worker was running the benchmark. This means the "stale" test is
not representative of total throughput, as the client was only routing to a single server.
===== PUT test =====
GOMAXPROCS=4 boom -m PUT -d "74a31e96-1d0f-4fa7-aa14-7212a326986e" -n 20480 -c 64 http://localhost:8500/v1/kv/bench
20480 / 20480 Booooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo! 100.00 %
Summary:
Total: 19.4302 secs.
Slowest: 0.1715 secs.
Fastest: 0.0157 secs.
Average: 0.0606 secs.
Requests/sec: 1054.0313
Total Data Received: 102400 bytes.
Response Size per Request: 5 bytes.
Status code distribution:
[200] 20480 responses
Response time histogram:
0.016 [1] |
0.031 [233] |∎
0.047 [4120] |∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎
0.062 [8079] |∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎
0.078 [5082] |∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎
0.094 [2045] |∎∎∎∎∎∎∎∎∎∎
0.109 [656] |∎∎∎
0.125 [200] |
0.140 [12] |
0.156 [31] |
0.172 [21] |
Latency distribution:
10% in 0.0416 secs.
25% in 0.0484 secs.
50% in 0.0579 secs.
75% in 0.0697 secs.
90% in 0.0835 secs.
95% in 0.0919 secs.
99% in 0.1113 secs.
===== GET default test =====
GOMAXPROCS=4 boom -n 20480 -c 64 http://localhost:8500/v1/kv/bench
20480 / 20480 Booooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo! 100.00 %
Summary:
Total: 9.6804 secs.
Slowest: 0.0830 secs.
Fastest: 0.0023 secs.
Average: 0.0302 secs.
Requests/sec: 2115.6096
Total Data Received: 2560000 bytes.
Response Size per Request: 125 bytes.
Status code distribution:
[200] 20480 responses
Response time histogram:
0.002 [1] |
0.010 [143] |
0.018 [1666] |∎∎∎∎∎∎∎∎∎
0.026 [6009] |∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎
0.035 [6732] |∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎
0.043 [3857] |∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎
0.051 [1389] |∎∎∎∎∎∎∎∎
0.059 [459] |∎∎
0.067 [154] |
0.075 [53] |
0.083 [17] |
Latency distribution:
10% in 0.0189 secs.
25% in 0.0233 secs.
50% in 0.0291 secs.
75% in 0.0358 secs.
90% in 0.0427 secs.
95% in 0.0476 secs.
99% in 0.0597 secs.
===== GET stale test =====
GOMAXPROCS=4 boom -n 20480 -c 64 http://localhost:8500/v1/kv/bench?stale
20480 / 20480 Booooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo! 100.00 %
Summary:
Total: 10.3082 secs.
Slowest: 0.0972 secs.
Fastest: 0.0015 secs.
Average: 0.0322 secs.
Requests/sec: 1986.7714
Total Data Received: 2560000 bytes.
Response Size per Request: 125 bytes.
Status code distribution:
[200] 20480 responses
Response time histogram:
0.002 [1] |
0.011 [320] |∎
0.021 [2558] |∎∎∎∎∎∎∎∎∎∎∎∎∎∎
0.030 [6247] |∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎
0.040 [6895] |∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎
0.049 [3174] |∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎
0.059 [971] |∎∎∎∎∎
0.068 [249] |∎
0.078 [52] |
0.088 [11] |
0.097 [2] |
Latency distribution:
10% in 0.0187 secs.
25% in 0.0246 secs.
50% in 0.0317 secs.
75% in 0.0387 secs.
90% in 0.0461 secs.
95% in 0.0511 secs.
99% in 0.0618 secs.
===== GET consistent test =====
GOMAXPROCS=4 boom -n 20480 -c 64 http://localhost:8500/v1/kv/bench?consistent
20480 / 20480 Booooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo! 100.00 %
Summary:
Total: 10.4835 secs.
Slowest: 0.0991 secs.
Fastest: 0.0024 secs.
Average: 0.0327 secs.
Requests/sec: 1953.5549
Total Data Received: 2560000 bytes.
Response Size per Request: 125 bytes.
Status code distribution:
[200] 20480 responses
Response time histogram:
0.002 [1] |
0.012 [137] |
0.022 [2405] |∎∎∎∎∎∎∎∎∎∎∎∎
0.031 [7754] |∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎
0.041 [6382] |∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎
0.051 [2629] |∎∎∎∎∎∎∎∎∎∎∎∎∎
0.060 [826] |∎∎∎∎
0.070 [245] |∎
0.080 [81] |
0.089 [17] |
0.099 [3] |
Latency distribution:
10% in 0.0208 secs.
25% in 0.0254 secs.
50% in 0.0314 secs.
75% in 0.0384 secs.
90% in 0.0463 secs.
95% in 0.0518 secs.
99% in 0.0645 secs.