{"action":"created","comment":{"url":"https://api.github.com/repos/coreos/etcd/pulls/comments/64460325","id":64460325,"diff_hunk":"@@ -10,4 +10,26 @@ There are other sub-systems which impact the overall performance of etcd. Each s\n \n ## Benchmarks\n \n-TODO\n\\ No newline at end of file\n+To benchmark an indivisual package, etcd has Go benchmark tests. For example, mvcc package has `BenchmarkWatchableStoreWatchSyncPut` to measure how fast multiple synced watchers can receive events. To learn more about `go test` command, please visit [testing](https://golang.org/pkg/testing/). To benchmark etcd performance, simply use [benchmark](https://github.com/coreos/etcd/tree/master/tools/benchmark) CLI tool. Following results are run with:\n+\n+- Google Cloud Compute Engine\n+- 3 machines of 8 vCPUs + 16GB Memory + 50GB SSD\n+- 1 machine(client) of 16 vCPUs + 30GB Memory + 50GB SSD\n+- Ubuntu 15.10\n+- etcd v3 master branch, Go master branch as of May 24th, 2016\n+\n+Write:\n+\n+| Key size in bytes | Value size in bytes | Number of connections | Number of clients | Target etcd server | Average write QPS |\n+|-------------------|---------------------|-----------------------|-------------------|--------------------|-------------------|\n+| 8 | 256 | 100 | 1000 | leader only | 40,000 |\n+| 8 | 256 | 100 | 1000 | all servers | 30,000 |\n+\n+Read:\n+\n+| Key size in bytes | Value size in bytes | Number of connections | Number of clients | Consistency | Average read QPS |\n+|-------------------|---------------------|-----------------------|-------------------|-------------|------------------|\n+| 8 | 256 | 100 | 1000 | Linearized | 45,000 |\n+| 8 | 256 | 100 | 1000 | Serialized | 55,000 |","path":"Documentation/op-guide/performance.md","position":26,"original_position":26,"commit_id":"2d10ef0133d98c06c5ae46cb3b682e138b74145c","original_commit_id":"d82c7de46e8d00e7147254e6df9c5232ae5ae3b8","user":{"login":"gyuho","id":6799218,"avatar_url":"https://avatars.githubusercontent.com/u/6799218?v=3","gravatar_id":"","url":"https://api.github.com/users/gyuho","html_url":"https://github.com/gyuho","followers_url":"https://api.github.com/users/gyuho/followers","following_url":"https://api.github.com/users/gyuho/following{/other_user}","gists_url":"https://api.github.com/users/gyuho/gists{/gist_id}","starred_url":"https://api.github.com/users/gyuho/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/gyuho/subscriptions","organizations_url":"https://api.github.com/users/gyuho/orgs","repos_url":"https://api.github.com/users/gyuho/repos","events_url":"https://api.github.com/users/gyuho/events{/privacy}","received_events_url":"https://api.github.com/users/gyuho/received_events","type":"User","site_admin":false},"body":"It's 18601 * 3 = 55,000. So 18601 per member. Should I put `18601 * 3`?","created_at":"2016-05-24T19:41:03Z","updated_at":"2016-05-24T19:41:04Z","html_url":"https://github.com/coreos/etcd/pull/5445#discussion_r64460325","pull_request_url":"https://api.github.com/repos/coreos/etcd/pulls/5445","_links":{"self":{"href":"https://api.github.com/repos/coreos/etcd/pulls/comments/64460325"},"html":{"href":"https://github.com/coreos/etcd/pull/5445#discussion_r64460325"},"pull_request":{"href":"https://api.github.com/repos/coreos/etcd/pulls/5445"}}},"pull_request":{"url":"https://api.github.com/repos/coreos/etcd/pulls/5445","id":71271915,"html_url":"https://github.com/coreos/etcd/pull/5445","diff_url":"https://github.com/coreos/etcd/pull/5445.diff","patch_url":"https://github.com/coreos/etcd/pull/5445.patch","issue_url":"https://api.github.com/repos/coreos/etcd/issues/5445","number":5445,"state":"open","locked":false,"title":"Documentation: add benchmark to 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