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cni | pod ip 地址分配过程
tcp/ip
容器
node.js
kubernetes
linux
One of the core requirements of the Kubernetes networking model is that every pod should get its own IP address and that every pod in the cluster should be able to talk to it using this IP address. There are several network providers (flannel, calico, canal, etc.) that implement this networking model.
heidsoft
2022-04-18
1.8K
0
k8s |kubeadm init cluster | cni network calico
node.js
区块链
缓存
数据分析
Install Calico with Kubernetes API datastore, 50 nodes or less
heidsoft
2022-04-18
1.7K
0
Calico IPAM|Explained and Enhanced|解释与增强
tcp/ip
kubernetes
node.js
Managing IP addresses is an essential, but often overlooked, aspect of container networking. Each networking plugin has its own approach to IP address management (IPAM, for short). The simplest approaches, such as that built into Kubernetes, assume the static allocation of a fixed set of addresses to each node. More advanced solutions, such as Calico, provide users more control and allow much finer-grained, dynamic IPAM.
heidsoft
2022-04-18
980
0
MySQL|MHA 高可用了解
数据库
云数据库 SQL Server
sql
node.js
MHA(Master High Availability)目前在MySQL高可用方面是一个相对成熟的解决方案,它由日本 DeNA 公司 youshimaton(现就职于Facebook公司)开发,是一套优秀的作为 MySQL 高可用性环境下故障切换和主从提升的高可用软件。在MySQL故障切换过程中,MHA能做到在0~30秒之内自动完成数据库的故障切换操作,并且在进行故障切换的过程中,MHA能在最大程度上保证数据的一致性,以达到真正意义上的高可用。
heidsoft
2022-03-14
295
0
kubernetes应用资源管理
linux
http
unix
node.js
kubernetes
Kubernetes针对不同服务质量的预期,通过QoS(Quality of Service)来对pod进行服务质量管理,提供了个采用requests和limits两种类型对资源进行分配和使用限制。对于一个pod来说,服务质量体现在两个为2个具体的指标:CPU与内存。实际过程中,当NODE节点上内存资源紧张时,kubernetes会根据预先设置的不同QoS类别进行相应处理。
heidsoft
2022-01-17
774
0
Python & Async Simplified
编程算法
python
javascript
node.js
As some of you may be aware, I have spent many of the last months rewriting Channels to be entirely based on Python 3 and its asynchronous features (asyncio).
heidsoft
2022-01-11
337
0
redis|命令web化操作实现
云数据库 Redis
node.js
jquery
[root@localhost src]# cat /etc/redhat-release
heidsoft
2020-06-06
524
0
openshift11 csr 证书续签管理
https
http
node.js
Cluster administrators can review certificate signing requests (CSRs) and approve or deny them.
heidsoft
2020-04-07
998
0
Install and Configure Redis on CentOS 7
node.js
unix
云数据库 Redis
bash
bash 指令
Redis is an open-source, in-memory, data structure store with optional disk writes for persistence. It can be used as a key-value database, or as a cache and message broker. Redis features built-in transactions, replication, and support for a variety of data structures such as strings, hashes, lists, sets, and others. Redis can be made highly available with Redis Sentinel and supports automatic partitioning with Redis Cluster.
heidsoft
2019-12-18
592
0
“Hot-Warm” Architecture in Elasticsearch 5.x
node.js
存储
When using elasticsearch for larger time data analytics use cases, we recommend using time-based indices and a tiered architecture with 3 different types of nodes (Master, Hot-Node and Warm-Node), which we refer to as the "Hot-Warm" architecture. Each node has their own characteristics, which are described below.
heidsoft
2019-05-28
663
0
ElasticSearch 状态查询Cat接口
node.js
http
tcp/ip
状态查询Cat接口 节点信息 接口 GET _cat/nodes?v 列出所有node, 并展示node所在机器的运行状态信息. ip heap.percent ram.percent
heidsoft
2019-05-28
1.5K
0
k8s nginx-controller 进一步认识
node.js
nginx
go
文件存储
kubernetes
该段lua程序位于:rootfs/etc/nginx/lua/balancer.lua脚本中
heidsoft
2019-05-28
1.3K
0
linux kernel Documentation filesystems overlayfs
文件存储
unix
node.js
html
编程算法
Please see MAINTAINERS file for where to send questions.
heidsoft
2019-01-23
2.1K
0
TCP Flow Control
node.js
tcp/ip
TCP is the protocol that guarantees we can have a reliable communication channel over an unreliable network. When we send data from a node to another, packets can be lost, they can arrive out of order, the network can be congested or the receiver node can be overloaded. When we are writing an application, though, we usually don’t need to deal with this complexity, we just write some data to a socket and TCP makes sure the packets are delivered correctly to the receiver node. Another important service that TCP provides is what is calledFlow Control. Let’s talk about what that means and how TCP does its magic.
heidsoft
2019-01-23
823
0
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