performance • Easiser operation • Cloud native • Curve is composed of two parts • Curve Block Storage (CurveBS) • CurveBS: a high performance cloud native distributed block storage • Curve File File System (CurveFS) • CurveFS: a high performance cloud native file system (Based on CurveBS / S3 compatible Storage)Operator capability Level OPERATOR CAPABILITY LEVEL CURVE COMMENT BASIC INSTALL Y Support horizontal/vertical scaling, auto config tuning, abnormal detection, schedule tuningCloud native Feature list • Features for Cluster • Features for CurveBS • Features for CurveFS • Features

networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 6.5 Coroutines and concurrency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121 http_client.fetch(url) return response.body And here is the same function rewritten asynchronously as a native coroutine: from tornado.httpclient import AsyncHTTPClient async def asynchronous_fetch(url): http_client http_client = AsyncHTTPClient() response = yield http_client.fetch(url) raise gen.Return(response.body) Coroutines are a little magical, but what they do internally is something like this: from tornado.concurrent

org/projects/tornado/downloads/]. User’s guide Introduction Asynchronous and non-Blocking I/O Coroutines Queue example - a concurrent web spider Structure of a Tornado web application Templates and UI IOStream-based TCP server Coroutines and concurrency tornado.gen — Generator-based coroutines tornado.locks – Synchronization primitives tornado.queues – Queues for coroutines tornado.process — Utilities Introduction Asynchronous and non-Blocking I/O Blocking Asynchronous Examples Coroutines Native vs decorated coroutines How it works How to call a coroutine Coroutine patterns Calling blocking functions

Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 9.6 Tasks (aka Coroutines) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104 10 Scope of Variables 105 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1559 101.7 High-level Overview of the Native-Code Generation Process . . . . . . . . . . . . . . 1560 101.8 Julia Functions . . . . . . . . fast • Designed for parallelism and distributed computation • Lightweight "green" threading (coroutines) • Unobtrusive yet powerful type system • Elegant and extensible conversions and promotions for

Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 9.6 Tasks (aka Coroutines) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104 10 Scope of Variables 105 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1559 101.7 High-level Overview of the Native-Code Generation Process . . . . . . . . . . . . . . 1560 101.8 Julia Functions . . . . . . . . fast • Designed for parallelism and distributed computation • Lightweight "green" threading (coroutines) • Unobtrusive yet powerful type system • Elegant and extensible conversions and promotions for

Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104 10.6 Tasks (aka Coroutines) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 11 Scope of Variables 111 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1840 105.7 High-level Overview of the Native-Code Generation Process . . . . . . . . . . . . . . 1841 105.8 Julia Functions . . . . . . . . fast • Designed for parallelism and distributed computation • Lightweight "green" threading (coroutines) • Unobtrusive yet powerful type system • Elegant and extensible conversions and promotions for

Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104 10.6 Tasks (aka Coroutines) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 11 Scope of Variables 111 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1840 105.7 High-level Overview of the Native-Code Generation Process . . . . . . . . . . . . . . 1841 105.8 Julia Functions . . . . . . . . fast • Designed for parallelism and distributed computation • Lightweight "green" threading (coroutines) • Unobtrusive yet powerful type system • Elegant and extensible conversions and promotions for

Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104 10.6 Tasks (aka Coroutines) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 11 Scope of Variables 111 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1840 105.7 High-level Overview of the Native-Code Generation Process . . . . . . . . . . . . . . 1841 105.8 Julia Functions . . . . . . . . fast • Designed for parallelism and distributed computation • Lightweight "green" threading (coroutines) • Unobtrusive yet powerful type system • Elegant and extensible conversions and promotions for

Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104 10.6 Tasks (aka Coroutines) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 11 Scope of Variables 111 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1893 106.7 High-level Overview of the Native-Code Generation Process . . . . . . . . . . . . . . 1894 106.8 Julia Functions . . . . . . . . fast • Designed for parallelism and distributed computation • Lightweight "green" threading (coroutines) • Unobtrusive yet powerful type system • Elegant and extensible conversions and promotions for

Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104 10.6 Tasks (aka Coroutines) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 11 Scope of Variables 111 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1891 106.7 High-level Overview of the Native-Code Generation Process . . . . . . . . . . . . . . 1892 106.8 Julia Functions . . . . . . . . fast • Designed for parallelism and distributed computation • Lightweight "green" threading (coroutines) • Unobtrusive yet powerful type system • Elegant and extensible conversions and promotions for