Patroni
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Benchmarking etcd v3
Physical machines
GCE n1-highcpu-2 machine type
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1x dedicated local SSD mounted under /var/lib/etcd
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1x dedicated slow disk for the OS
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1.8 GB memory
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2x CPUs
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etcd version 2.2.0
Performance
reading one single key
| key size in bytes | number of clients | read QPS | 90th Percentile Latency (ms) |
|---|---|---|---|
256 |
1 |
2716 |
0.4 |
256 |
64 |
16623 |
6.1 |
256 |
256 |
16622 |
21.7 |
The performance is nearly the same as the one with empty server handler.
reading one single key after putting
| key size in bytes | number of clients | read QPS | 90th Percentile Latency (ms) |
|---|---|---|---|
256 |
1 |
2269 |
0.5 |
256 |
64 |
13582 |
8.6 |
256 |
256 |
13262 |
47.5 |
The performance with empty server handler is not affected by one put. So the performance downgrade should be caused by storage package.
Last modified August 17, 2021: fix links in 3.3 (#448) (30938c5)