Alan xyalan

Kafka Topics

bin/kafka-topics.sh --zookeeper localhost:2181 --list

bin/kafka-topics.sh --zookeeper localhost:2181 --describe --topic mytopic

bin/kafka-topics.sh --zookeeper localhost:2181 --alter --topic mytopic --config retention.ms=1000

... wait a minute ...

##分布式系统(Distributed System)资料

介绍:这是一篇介绍在动态网络里面实现分布式系统重构的paper.论文的作者(导师)是MIT读博的时候是做分布式系统的研究的,现在在NUS带学生,不仅仅是分布式系统,还有无线网络.如果感兴趣可以去他的主页了解.

start new:

tmux

start new with session name:

tmux new -s myname


	import hudson.model.Action

	import com.cloudbees.workflow.flownode.FlowNodeUtil
	import com.cloudbees.workflow.rest.external.StatusExt

	import org.jenkinsci.plugins.workflow.graph.FlowNode
	import org.jenkinsci.plugins.workflow.cps.nodes.StepStartNode
	import org.jenkinsci.plugins.workflow.cps.nodes.StepEndNode
	import org.jenkinsci.plugins.workflow.actions.LabelAction

	# 你可以从该 URL 下载这个配置文件: http://surge.run/config-example/ios.conf
	# 用编辑器编辑后，再通过 iTunes, URL, AirDrop 或者 iCloud Drive 复制回 iOS 设备
	# Version 2.0

	[General]
	# 日志等级: warning, notify, info, verbose (默认值: notify)
	loglevel = notify
	# 跳过某个域名或者 IP 段，这些目标主机将不会由 Surge Proxy 处理。(在 macOS
	# 版本中，如果启用了 Set as System Proxy, 那么这些值会被写入到系统网络代理
	# 设置中.)

	"""
	Store this file as `vars_plugins/password_from_keyring.py` and specify the
	following in `ansible.cfg`:

	```
	[defaults]
	vars_plugins=./vars_plugins
	```

	In your inventory specify:

	import groovy.json.JsonSlurper
	import org.springframework.test.web.servlet.MockMvc
	import static org.springframework.test.web.servlet.setup.MockMvcBuilders.*
	import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
	import static org.springframework.http.HttpStatus.*
	import spock.lang.Specification

	/**
	* A Spock Spring MVC Rest unit test that doesn't require a full spring context
	*/

	/* Atomic boolean for golang

	A process-atomic boolean that can be used for signaling between goroutines.
	Default value = false. (nil structure)
	*/

	package main

	import "sync/atomic"

	#!/bin/bash
	#
	# description: Apache Tomcat init script
	# processname: tomcat
	# chkconfig: 234 20 80
	#
	#
	# Copyright (C) 2014 Miglen Evlogiev
	#
	# This program is free software: you can redistribute it and/or modify it under