dashboard ● Cloud Native ○ Using CURVE file system in KubernetesCURVE community The improvement and development of Curve cannot be achieved without the support and participation of community contributors. project: wechat group, qr code on the right hand sideYou can take away Challenges faced ● With the development of hardware and software, more and more stateful applications require to run on the clouds ●

distribution. Decentralization currently leads to excessive complexity. With the continuous development of software and hardware, the need for decentralization is not particularly strong in most cases

plugin for CurveBS • CurveBS (Cluster and Pool CRDs) • chunk server pods can run on arbitrary PVs(local storage) as an alternative to host path • Support automatically detect new nodes, adding / removing

std::string GetCacheWriteFullDir(); /** * @brief tell whether the obj is cached in local cache disk. */ bool IsCached(std::string name); void addCache(std::string name); /**

Grafana——开源的度量分析和可视化工具， curve利用它进行数据可视化展示。 20/33监控指标（metric）的生成 Curve使用brpc内置的bvar计数器类库，来生成监控指标，其特点是:  thread local存储，减少了cache bouncing，性能开销极小；  支持在 brpc server 服务的端口上以web portal的方式导出和查询监控指标： 常用的bvar数据类型:  bvar::Adder

问，需要在挂载参数中指定‘-o allow-root’ 或'-o allow-other'以允许相应用户有权访问该文件系统，如果挂载者不是root还需要在/etc/fuse.conf（/usr/local/etc/fuse.conf）中增加配置项“user_allow_other”（该配置项是无值的）。详见libfuse官方文 档：https://github.com/libfuse/libfus