cout << e << " "; } cout << endl; } int main() { static constexpr int classic[]{1, 2, 3}; print(classic); print(array{4, 5, 6}); print(vector{7, 8, 9}); }24 Contiguous > Random-Access microsoft.github.io/STL/ • C++20: wg21.link/n4861 • Questions • GitHub Discussions tab • Discord server (see README)38 Bonus Slides39 Compile-Time/Run-Time Hybrid template _NODISCARD

modified request • 模拟数据规则 • 自动化测试 • https://github.com/wasmmock/ wasm_mock_server • 用 rust 打包所有测试需求 Wasm mock server Why use rust ？ Software testing tool • 模拟数据规则 • 自动化测试 • Company's own protocol platform • Support HTTP POST wasm API • Support websocket stand in for wasm API 抓包 - Wasm Mock Server wasm 工具 does not invent the wheel 软件测试工具 • 模拟数据规则 • 自动化测试 ModifyRequest(req *http.Request) error{ Response) error{ … res_,err:=wasm.Invoke(ctx,res.url.path, req_payload) … res = res_ } Wasm mock server 用了 Google martian 软件测试工具 • Websocket TCP mitm 例 子 extern crate wapc_guest as guest; use guest::prelude::*;

Request Cert (SDS)) 3. CSR Auth: JWT 4. Cert signed with SPIFFE format Istio-proxy CA server #IstioCon Istio identity – how to get configuration ● Format: "spiffe:///ns/server side mTLS mTLS in Istio - PeerAuthenticati on Using ingress port and ingress host to send request: peer-authentication only defines behavior of server side and auto-mTLS is on by default Access productpage 1) Apply peer-authentication to enable server side mTLS mTLS in Istio - PeerAuthenticati

Files High Compression (column store + LZ4) • Typically 100x faster than MySQL on Single Server • Semi-Linear Scalability to 100s of nodes High Performance © 2018 Percona. 8 MySQL Wire User Account etc Has information about Connection Events Available in MySQL Enterprise, Percona Server, MariaDB © 2018 Percona. 18 Audit Log Record Example {"audit_record":{"name":"Query","record localhost []","host":"localhost","os_user":"","ip":"","db":"sbtest"}} © 2018 Percona. 19 Percona Server Configuration • Install Audit Plugin • INSTALL PLUGIN audit_log SONAME 'audit_log.so'; • Configure

CPU the bottleneck • 1 CPU handles 500,000 pps • Make LB the bottleneck • The target server and client server shall be powerful enough Performance measurement Test topology Test result Service type

image: yandex/clickhouse-server:19.6.2.11 Всегда указывате версию явно. НЕ НАДО использовать тег :latest Расширенные настройки ● ClickHouse settings (profile, server settings) configuration:

service() doGet() doPost() Get Request Post Request Response Response Web Server HttpServlet subclass 注意： 方法由 HttpServlet 的子类实现

Platform version Device name Application path https://appium.io/slate/en/master/?javascript#appium-server-capabilities Demo Ready To Execute Note: Device name App path $ npm run e2e -- --runType=android23

Better memory usage • No issues with GC and Java heap 2. Может запускаться встроенным в clickhouse-server • Нет необходимости в отдельном сервисе Разработчик: Alexander Sapin. Данные необходимо вставлять

Tokio's utilities and vibrant ecosystem, writing applications is a breeze. Easy The needs of a server application differ from that of an embedded device. Although Tokio comes with defaults that work