touch it! Glue code? Boiler plate? A nightmare? Application binary interface (ABI) Calling conventions Marshalling Was I supposed to free that? Was I not supposed to free that? Enabling two or more data_t get_data_from(size_t dev); What defines how dev is passed or data_t is returned? Calling conventions… sigh. Which one is being used here? push ... call data_t get_data_from(unsigned int) is not the same as “width”. Explicitly state/document/reference function conventions. • Defining a macro for calling conventions is a great start. For example, MYLIB_CCONV. • Reference: llvm - CallingConv

personalization configuration is not supported. Worker HPA1 HPA2 … HPAn HPA1 HPAPlus-controller Worker HPA1 HPA2 … HPAn HPA1 1. HPA can be turned on/off separately 2. Support for separate configuration of 3 How do CronHPA work with HPA 07-28 10:00 07-28 11:00 CronHPA takes over the work HPA takes over the work HPA takes over the work If workload still high load and HPA maxReplicas > CronHPA

JavaScript layer for platform-specific scenarios o NativeScript modules follow Node module conventions (CommonJS) Example: NativeScript file module BUT HOW DO I TURN THIS INTO AN APP? Putting

"clickhouse.altinity.com/v1" kind: "ClickHouseInstallation" metadata: name: "demo-01" spec: configuration: clusters: - name: "demo" Здесь нет storage Еще вернемся к этому kubectl – наше всё "clickhouse.altinity.com/v1" kind: "ClickHouseInstallation" metadata: name: "demo-01" spec: configuration: clusters: - name: "demo" layout: shardsCount: 2 replicasCount: "clickhouse.altinity.com/v1" kind: "ClickHouseInstallation" metadata: name: "demo-01" spec: configuration: users: demo/password: secret demo/profile: default demo/networks/ip: "::/0"

algorithms accepting ranges instead of iterator pairs  Projection: Transform elements before handing over to algorithm  Views: transform/filter range: lazily evaluated, non-owning, non- mutating  Range to_string(i); }) }; /* "20" "16" "12" */  Note: all lazily executed: nothing is done until you iterate over result  Working with infinite sequences: auto result { view::ints(10) | views::filter([](const Output: cout << localt << endl; // 2020-09-15 09:35:10.15365 std::span   Provides a “view” over some contiguous data  Does not own the data  Never allocates/deallocates  Could be read/write

signed with SPIFFE format Istio-proxy CA server #IstioCon Istio identity – how to get configuration ● Format: "spiffe:///ns//sa/” ● istioctl proxy-config exec -c istio-proxy curl localhost:15000/config_dump #IstioCon Istio identity – check configuration result ● Result: cert generated automatically with Istio identity 1) Apply peer-authentication

io • kvm-bindings: Rust FFI bindings to KVM generated using bindgen. • kvm-ioctls: Safe wrappers over the KVM API. • vfio-bindings: Rust FFI bindings for using the VFIO framework. • virtio-bindings: virtio-bindings: Rust FFI bindings to virtio kernel headers generated using bindgen. • vm-memory: abstractions over a virtual machine's memory. • vmm-sys-util: collection of modules providing helpers and utilities

• If you want to raise your hand to ask a question, please hold them until after the session is over. • When asking questions, please reference slide numbers5 About Me: • Miya Natsuhara • leap seconds: A second is removed, so the seconds on a UTC clock might read 57, 58, 00 (skipping over second 59). No leap second removals have occurred yet, but they theoretically could. Year June

Excuses Not enough time No appropriate tools Agenda nativescript-dev-appium: Installation Configuration Demo Benefits Drawbacks Our Story Requirements Do not reinvent the wheel Not modify app

"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 Audit