Version v3.6-DRAFT of the documentation is in DRAFT status. For the latest stable documentation, see v3.5.
Benchmarking etcd v3
Performance measures for etcd v3
Physical machines
GCE n1-highcpu-2 machine type
- 1x dedicated local SSD mounted under /var/lib/etcd
- 1x dedicated slow disk for the OS
- 1.8 GB memory
- 2x CPUs
- etcd version 2.2.0
etcd Cluster
1 etcd member running in v3 demo mode
Testing
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.
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