<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[rainzqb的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/rainzqb</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; rainzqb]]></copyright><item><title><![CDATA[zookeeper+kafka集群一键安装脚本]]></title><link>https://blog.youkuaiyun.com/rainzqb/article/details/92632469</link><guid>https://blog.youkuaiyun.com/rainzqb/article/details/92632469</guid><author>rainzqb</author><pubDate>Mon, 17 Jun 2019 15:24:08 +0800</pubDate><description><![CDATA[1. zookeeper_kafka_install.sh
#!/bin/bash

read -p "is need to deploy cluster environment[yes|no]: " booleanResult
if [ $booleanResult = "yes" ] || [ $booleanResult = "no" ];then
	echo "input is: "$bo...]]></description><category></category></item><item><title><![CDATA[filebeat+zookeeepr+kafka配置笔记]]></title><link>https://blog.youkuaiyun.com/rainzqb/article/details/92631308</link><guid>https://blog.youkuaiyun.com/rainzqb/article/details/92631308</guid><author>rainzqb</author><pubDate>Mon, 17 Jun 2019 15:19:58 +0800</pubDate><description><![CDATA[filebeat
filebeat.prospectors:

# Each - is a prospector. Most options can be set at the prospector level, so
# you can use different prospectors for various configurations.
# Below are the prospector...]]></description><category></category></item><item><title><![CDATA[linux常用命令]]></title><link>https://blog.youkuaiyun.com/rainzqb/article/details/90410677</link><guid>https://blog.youkuaiyun.com/rainzqb/article/details/90410677</guid><author>rainzqb</author><pubDate>Tue, 21 May 2019 17:08:34 +0800</pubDate><description><![CDATA[进程性能查看命令
1. 查看jvm垃圾回收信息
jstat -gc 进程id 1000
2. 查看堆栈使用信息
jmap -heap 进程id
3. 查看进程cpu占用信息
top -Hp 进程id
服务启动和验证
注册服务：sudo vim /usr/lib/systemd/system/服务名称.service
[Unit]
Description=服务名称.service
After=net...]]></description><category></category></item><item><title><![CDATA[kafka-集群环境搭建]]></title><link>https://blog.youkuaiyun.com/rainzqb/article/details/90409124</link><guid>https://blog.youkuaiyun.com/rainzqb/article/details/90409124</guid><author>rainzqb</author><pubDate>Tue, 21 May 2019 16:13:57 +0800</pubDate><description><![CDATA[版本选择
kaffkaookafka官网地址：http://kafka.apache.org，kafka组件（或者其它工具组件）旨在选择次新版本，相对新版和旧版存在的错误要低一些且更稳定
![截图](https://img-blog.csdnimg.cn/20190521161251878.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGV...]]></description><category></category></item><item><title><![CDATA[zookeeper集群搭建]]></title><link>https://blog.youkuaiyun.com/rainzqb/article/details/90408710</link><guid>https://blog.youkuaiyun.com/rainzqb/article/details/90408710</guid><author>rainzqb</author><pubDate>Tue, 21 May 2019 15:59:33 +0800</pubDate><description><![CDATA[1.Zookeeper概念简介：
Zookeeper是一个分布式协调服务；就是为用户的分布式应用程序提供协调服务
A、zookeeper是为别的分布式程序服务的
B、Zookeeper本身就是一个分布式程序（只要有半数以上节点存活，zk就能正常服务）
C、Zookeeper所提供的服务涵盖：主从协调、服务器节点动态上下线、统一配置管理、分布式共享锁、统一名称服务……
D、虽然说可以提供各种服务，但...]]></description><category></category></item><item><title><![CDATA[druid数据库监测死锁]]></title><link>https://blog.youkuaiyun.com/rainzqb/article/details/90408576</link><guid>https://blog.youkuaiyun.com/rainzqb/article/details/90408576</guid><author>rainzqb</author><pubDate>Tue, 21 May 2019 15:54:37 +0800</pubDate><description><![CDATA[问题
druid数据库监测jar，旧版会监测程序访问数据，在高并发下会中断加锁方式，被异常中断（如：数据库关闭、数据库出现异常）的数据库连接不能回收并直接抛异常 ，导致死锁，严重影响访问数据性能，旧版本为1.0.15：


旧版未修复的源码：

解决
升级jar版本1.1.9，最新版会有加锁等待，被异常中断（如：数据库关闭、数据库出现异常）的连接能正常回收连接，已验证tps达标，修改的代码已提交，...]]></description><category></category></item><item><title><![CDATA[canal-同步数据常见问题]]></title><link>https://blog.youkuaiyun.com/rainzqb/article/details/90408421</link><guid>https://blog.youkuaiyun.com/rainzqb/article/details/90408421</guid><author>rainzqb</author><pubDate>Tue, 21 May 2019 15:48:44 +0800</pubDate><description><![CDATA[问题排查步骤
Canal 无法启动
（Linux）无法执行 systemctl start canal
到程序目录下直接调用启动脚本canal/bin/startup.sh
出现打印：found canal.pid …
出现其它打印，可按字面意思进行操作
未出现打印，说明 systemctl 脚本有问题，请检查 systemctl 脚本
（Linux）执行 systemctl start cana...]]></description><category></category></item><item><title><![CDATA[linux-内核优化]]></title><link>https://blog.youkuaiyun.com/rainzqb/article/details/90408267</link><guid>https://blog.youkuaiyun.com/rainzqb/article/details/90408267</guid><author>rainzqb</author><pubDate>Tue, 21 May 2019 15:42:43 +0800</pubDate><description><![CDATA[linux-内核
rain 架构师开发笔记
内核问题
linux 默认socket数据为1024，在并发下会出现打开文件过多错误
![错误信息](https://img-blog.csdnimg.cn/20190521154039578.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM...]]></description><category></category></item></channel></rss>