YY哥's Pages

Web pages please visit hustcat.github.io.

MachineLearning

• Collective communication in MPI

Network

• QoS in RoCE
• Queue Pair in RDMA
• The introduction to OVS architecture
• OVS flow table implementation in datapath
• OVN load balancer practice
• An introduction to OVN architecture
• OVN gateway practice
• OVN-kubernetes practice
• Checksum in Linux Kernel
• Container Network Interface
• Dive into Calico - IP Interconnect Fabrics
• Getting started with Calico
• KNI in DPDK
• Linux Soft-RoCE implementation
• Multiple queue and RSS in DPDK
• Network related posts
• RDMA Programming - Base on linux-rdma
• Setup BGP Route Reflector for Calico node
• TCP SYN cookies make window size suddenly becomes smaller
• Understanding the RoCE network protocol

Container

• Getting started containerd
• Run OCI image with runc
• Setup Bare Metal Load Balancers for kubernetes service
• The new stored format of Docker image on disk and Distribution
• The right way to run systemd in a non-privileged container

Distributed

• Dive into the defect of Etcd-Index and Raft-Index in etcd
• Getting started with gRPC
• Raft consensus algorithm(go-raft) implementation in etcd
• Watch API and TTL implementation in etcd

GPU

GPU计算 -- GPU体系结构及CUDA编程模

Linux

• "从veth看虚拟网络设备的qdisc"
• Docker解析：Docker拉取镜像(docker pull)的实现
• Docker解析：数据卷(Data Volume)的实现
• Docker自定义网络——MacVLAN
• Docker内部存储结构（devicemapper）解析
• Docker内部存储结构（devicemapper）解析（续）
• Docker内部存储结构（devicemapper）解析（下篇）
• Docker解析：配置与权限管理
• Kubernetes解析：Minion的添加与删除
• Kubernetes解析：services
• Buffer IO的throttle问题
• Build gateway for LVS-TUN base on IPIP tunnel
• CA and docker
• Can't run iotop in container
• CentOS6.5下VLAN设备的性能问题
• Ceph - pool has too few pgs
• Ceph osd weight与osd crush weight之间的区别
• Ceph practice：RBD snapshot
• Ceph practice：rados object tool
• Ceph性能调优——Journal与tcmalloc
• Ceph源码解析：网络模块
• Cgroup V2 and writeback support
• Cgroup namespace
• Cgroup分析——基本介绍
• DNS in docker and kubernetes
• Debug with log in Ceph
• Deep dive into Linux network namespace
• Deploy Kubernetes with ansible
• Difference of VXLAN L3MISS between flannel and docker overlay implementation
• Dive deep into inotify and overlayfs
• Dive deep into inotify and overlayfs
• Docker native overlay network practice
• Docker storage driver history and overlayfs
• Docker与Ceph的结合：让Docker容器跑在网络存储之上
• EXT4/EXT3文件系统目录的一点区别
• Equal Cost Multipath(ECMP) practice base on Quagga
• GPG常用操作
• Getting into the Linux ELF and core dump file
• Getting started with D-BUS
• Getting started with Kprobe
• Getting started with Openshift
• Hugepage导致进程占用物理内存过多的问题
• IPIP tunnel, GRE tunnel and LVS IP tunnel
• Inside the interrupt
• Introduction to the UIO
• Introduction to the perf-tools
• LVS practice
• Linux BPF introduction
• Linux NAT internal
• Linux Namespace分析——mnt namespace的实现与应用
• Linux XDP introduction
• Linux swap and docker
• Linux vlan and macvlan implementation
• Linux中进程内存与cgroup内存的统计
• Mount namespace and mount propagation
• Network rate limiting with TC
• Overlay network base on GRE/VXLAN with Openvswitch
• Overlayfs - delete file failed because project id in XFS
• PID namespace与Docker容器init进程
• Packet fragmentation and segmentation offload in UDP and VXLAN
• RBD image internal in Ceph
• Run Ceph radosgw with civetweb
• Socket activation in systemd
• The reason cause SRIOV VF not be freed from netnamespace
• The reason of Intel X540 SR-IOV initialize failed
• Two aways to set mac address of SR-IOV VF
• UDP RSS and VXLAN
• Unix domain socket的实现及分片
• XFS性能问题原因再分析
• cgroup memory usage statistic
• cgroup pgpgin与系统的pgpgin的区别
• docker and terminal
• flannel and kubernetes services network implementation
• flannel host-gw network
• fork systemcall hanged cause by gprof
• ipvlan practice and implementation
• openstack nova practice
• partprobe and partx
• perf-trace and perf-probe and uprobe
• sendmsg return EINVAL caused by ARP table full
• sgdisk常用操作
• tcp_tw_recycle和tcp_timestamp的问题
• update ansible on ubuntu 14.04
• xfs quota usage
• 在CentOS6.5使用setns系统调用
• 在XFS上运行MySQL的一个坑
• 浅析Linux的共享内存与tmpfs文件系统
• 理解iostats
• 容器内存用完导致容器卡死的问题

Openstack

• openstack neutron DVR internal with floating IP
• openstack neutron DVR internal
• openstack neutron classic ovs practice
• openstack neutron dvr practice

Programing

• "Go语言学习：Channel"
• "Go语言学习：http编程"
• "Go语言学习：接口"
• "Go语言学习：数组（array）与切片（slice）"
• "Go语言学习：类型方法"
• Dive into channel in go
• Dive into closure in go
• Dive into goroutine in Go
• Dive into memory GC in Go
• Dive into memory management in Go
• Dive into memory structure of data type in go
• Dive into stack and defer/panic/recover in go
• Getting started with Delve
• Go语言学习：new与make
• Manual memory management in Go
• Mutex in Go
• Rate limit examples in Go
• The Go netpoller and timeout
• Timeout in Go net/http client