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前言
目录
Linux 内核
Interrupt Context and Process Context
Namespace
pid namespace
PID Namespace 的 Main process 结束 与 zombie child process
PID1 in containers
Network Namespace
Fun with network namespaces, part 1
Kernel Network
Kernel Network Data Struct
kernel network stack
Network Receive Path
bpf-trace-net-stack
TCP IP Architecture Design - Sameer Seth
Linux Network Stack Instrumentation Points
Understanding TCP/IP Network Stack & Writing Network Apps
Kernel TCP
tcp implementation
TCP Socket 缓存、接收窗口参数
tcp keepalive
TCP Reset 的原因
SYN Cookies
TCP Inspect
SO_LINGER socket opt
TCP TIME-WAIT
PMTU
TCP MSS
tcp retransmit
Socket
Socket 相关数据结构
Socket Buffer Queue
socket listen queues
Socket Close/Shutdown 的临界状态与异常逻辑
Kernel Routing
Netfilter
Nftables - Packet flow and Netfilter hooks in detail
conntrack
Connection tracking (conntrack) - Part 1: Modules and Hooks
Connection tracking (conntrack) - Part 2: Core Implementation
Connection tracking (conntrack) - Part 3: State and Examples
连接跟踪（conntrack）：原理、应用及 Linux 内核实现
Network address translation part 4 – Conntrack troubleshooting
Out of Window Invalid Packet
NAT local port collision and SYN retransmit (NAT 分配端口冲突与 SYN 重传)
iptables Troubleshooting
Conntrack tales - one thousand and one flows
定位 conntrack TCP RESET 问题
IPVS
MTU
Check MTU
========= IP Sysctl
Documentation for /proc/sys/net/
Scheduler(调度器)
调度点(Scheduler Point)
Storage
Syscall
Syscall Table
LINUX SYSTEM CALLS UNDER THE HOOD - CROSSING THE BORDER BETWEEN USERLAND AND THE KERNEL
Kubernetes
Kubernetes Eviction
Out-of-memory (OOM) in Kubernetes – Part 4: Pod evictions, OOM scenarios and flows leading to them
Kubernetes Network
Kube Proxy
Cracking Kubernetes Node Proxy (aka kube-proxy)
Destructive test
What happens when one of your Kubernetes nodes fails?
Monitoring
Resource Monitoring
How to alert for Pod Restart & OOMKilled in Kubernetes
Pod
pod phase
Persistent Volumes
CSI
K8s CSI & ceph 构架图解，还有一些闲话
CSI Spec
HPA
Container
container shim stack
Implementing Container Runtime Shim: runc
containerd
containerd-shim-runc-v2
Introducing Container Runtime Interface (CRI) in Kubernetes
What Is a Standard Container: Diving Into the OCI Runtime Spec Containers Aren’t Linux Processes
OCI Runtime Specification( reference implmentation: runc )
hot swap restart container process
k8s 中不停容器热替换/重启主进程 - gdb exec 法
exec hot swap gdb exec simple way
K8s metrics
Container Metrics
可观察性 - Observability
Prometheus
Prometheus 基础知识
METRIC TYPES
Histograms 与 Summary 比较
Step and query_range - 步长与查询范围
Rate - 秒增量
Top
Metrics Design
rate
vs
increase
functions
Log
Filebeat
Fluent Bit
图解 Fluent Bit 内部设计
Node Exporter
Time metric - 发现时钟漂移
CPU frequency scaling metrics from the node exporter
Disk
Dashboard Best Practices
Java GC
eBPF based monitoring
Network
TCP
TCP Windows
Understanding Throughput and TCP Windows
TCP Ephemeral port
How to stop running out of ephemeral ports and start to love long-lived connections
Ephemeral port exhaustion and how to avoid it
Challenge ACK
TLS
TLS Handshake
测试工具
ALPN
Cipher Suite(密码套件)
key exchange algorithm(密钥交换算法)
TLS Close Alert: close_notify
boringssl
Dump TLS(TLS 抓包)
Troubleshooting Tools
tcpdump
Wireshark
用 Wireshark 分析 TCP Segmentation Offload (TSO)
HTTP
http 1.1
HTTP/1.1 Connection
Service Mesh
Envoy
Taming a Network Filter
TCP Proxy
Envoy Socket backlog
Istio
Istio mTLS
Istio mTLS 自动识别说明(Smartness Explained)
Understanding Istio’s Secure Naming
Metadata Exchange
TCP MX
metadata exchange plugin
Istio ALPN
istio-alpn-upstream
Istio ALPN Issues
Istio Gateway TCP Keepalive
Understanding TCP telemetry collection
Access Log
c 语言
libc
Stream Buffer
libc Stdout Buffering
stdio_buffering
数据库
Cassandra
The Cassandra Architecture
Cassandra’s Data Model
Writing
Reading
Thread Pool
Data Files
Metrics
Client Drivers
Ceph
ceph object 定位（重要）
data-striping（数据分片与IO并发）
RADOS
POOL
pool quotas
ceph Placement Group (PG)
CEPH BLOCK DEVICE
(CephFS) CEPH FILE SYSTEM
Bluestore
OSD
ceph 写流程
krbd
Deep Dive Into Ceph’s Kernel Client
observability
prometheus module
Rook prometheus monitoring
Rook
ceph-csi
硬件
CPU
PMU counters and profiling basics
eBPF
libbpf
BPF 系统接口 与 libbpf minimal 示例分析 - eBPF基础知识
悟
Career
Jerks
从《Why I Left Facebook》扯到蘇東坡《卜算子》
basic theory
The matter of time()
底层技术
Linux ELF
ELF 格式简述
JVM
Java Compiler
Java Compiler Tuning
JVM RAM
metaspace
Safe Point
reach-safepoint-latency.md
.md
.pdf
Storage
Storage
#
from https://www.thomas-krenn.com/de/wiki/Linux_Storage_Stack_Diagramm
from https://www.thomas-krenn.com/de/wiki/Linux_Storage_Stack_Diagramm