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 Allows extensive filtering by Object, User Account etc Has information about Connection Events Available in MySQL Enterprise, Percona Server, MariaDB © 2018 Percona. 18 Audit Log Record Example { 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

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 communication between threads (incl. pthread, co-routines). • Channel allows a unidirectional flow of information between two end-points: the Sender and the Receiver. • Channel Type: SPSC, SPMC, MPMC, MPSC

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

implementation-dependent information about the C++ Standard Library you are using  Example:  Version number  Release date  Copyright notice  Additional implementation-defined information  Includes the  egamma  phi  In std::numbers78 std::source_location   Represents information about a specific location in a source code  line, column, file_name, function_name  Construct

objects defined in loops • Statements like debugger, eval, with. • How to access Native Engine information • Object class modifications. Threading • In NativeScript by default everything runs on the Natives • Docs: https://github.com/NathanaelA/v8-Natives • Gives you access to low level engine information. Things like: getHeapUsage(), deoptimizeNow, optimizeFunctionOnNextCall, getOptimizationStatus

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:

draw and clear features on the map • The JSON of the feature layer includes all the necessary information for the time slider - Start and end dates, time interval, etc. - Feature layer URLArcGIS Runtime

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