<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[ruiphone的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/wzflpll</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; wzflpll]]></copyright><item><title><![CDATA[MySQL无法重启问题解决Warning: World-writable config file ‘/etc/my.cnf’ is ignored]]></title><link>https://blog.youkuaiyun.com/wzflpll/article/details/110876003</link><guid>https://blog.youkuaiyun.com/wzflpll/article/details/110876003</guid><author>wzflpll</author><pubDate>Tue, 08 Dec 2020 16:23:40 +0800</pubDate><description><![CDATA[MySQL无法重启问题解决Warning: World-writable config file ‘/etc/my.cnf’ is ignored





今天帮朋友维护服务器，在关闭数据库的命令发现mysql关不了，提示Warning: World-writable config file ‘/etc/my.cnf’ is ignored ，大概意思是权限全局可写，任何一个用户都可以写。mysql担心这种文件被其他用户恶意修改，所以忽略掉这个配置文件。这样mysql无法关闭。

下面看下整个过程

..]]></description><category></category></item><item><title><![CDATA[spring  bean  生命周期]]></title><link>https://blog.youkuaiyun.com/wzflpll/article/details/100022186</link><guid>https://blog.youkuaiyun.com/wzflpll/article/details/100022186</guid><author>wzflpll</author><pubDate>Tue, 08 Dec 2020 10:21:21 +0800</pubDate><description><![CDATA[1.循环依赖

2.生命周期

  getbean ("");开始看

  abstractbeanapplicationcontext.getbean()

   1、abstractbeanfacoty.dogetbean()

    singletonobjects 单列缓存 earlysingletonobejcts singlefactois 多级缓...]]></description><category></category></item><item><title><![CDATA[synchronized 关键字]]></title><link>https://blog.youkuaiyun.com/wzflpll/article/details/103116760</link><guid>https://blog.youkuaiyun.com/wzflpll/article/details/103116760</guid><author>wzflpll</author><pubDate>Mon, 18 Nov 2019 08:54:42 +0800</pubDate><description><![CDATA[语义规范：

1、进入同步代码块 之前，先清空工作内容的共享变量，再从主内存中读取；

2、解锁前必须把修改的共享变量同步到主内存。
]]></description><category></category></item><item><title><![CDATA[NIO]]></title><link>https://blog.youkuaiyun.com/wzflpll/article/details/99720369</link><guid>https://blog.youkuaiyun.com/wzflpll/article/details/99720369</guid><author>wzflpll</author><pubDate>Wed, 21 Aug 2019 09:40:14 +0800</pubDate><description><![CDATA[ByteBuffer


ByteBuffer.allocate(capacity);


capacity:容积

 limit :

 position:






 mark()  标记当前position  的位置，可通过reset（）回到当前位置


rewind（）重复读;


clear()清空缓冲区  缓冲区的数据还是存在 ，只是处于"被遗忘状态"


hasRemaini...]]></description><category></category></item><item><title><![CDATA[docker]]></title><link>https://blog.youkuaiyun.com/wzflpll/article/details/99937527</link><guid>https://blog.youkuaiyun.com/wzflpll/article/details/99937527</guid><author>wzflpll</author><pubDate>Wed, 21 Aug 2019 09:39:54 +0800</pubDate><description><![CDATA[# 请不要使用jdk大于8的版本会导致本项目不支持
FROM maven:3.6.1-jdk-8

# 指定工作区间
WORKDIR /ebi-burcent

# 复制文件(可使用.dockerignore)
COPY . /ebi-burcent

# 重写了编译到spring boot并集成tomcat
RUN cp ./dockerRewrite/pom.xml pom.xml

# ...]]></description><category></category></item><item><title><![CDATA[rabbitmq]]></title><link>https://blog.youkuaiyun.com/wzflpll/article/details/99681071</link><guid>https://blog.youkuaiyun.com/wzflpll/article/details/99681071</guid><author>wzflpll</author><pubDate>Fri, 16 Aug 2019 16:52:37 +0800</pubDate><description><![CDATA[1.简单队列(模式)


/**
 * 1、队列名称
 * 2、是否持久化
 * 3、当前消息队列是否属于当前连接对象所有
 * 4、在消息使用完后是否删除该消息
 * 5、附加参数
 */
 channel.queueDeclare("simlequere", true, false, false, null);



/**
 * 1、消息要发送的交换机对象,不写 deafult
 * 2、当...]]></description><category></category></item><item><title><![CDATA[spring]]></title><link>https://blog.youkuaiyun.com/wzflpll/article/details/99464200</link><guid>https://blog.youkuaiyun.com/wzflpll/article/details/99464200</guid><author>wzflpll</author><pubDate>Tue, 13 Aug 2019 19:32:06 +0800</pubDate><description><![CDATA[Spring


	bean 生命周期

	
1&gt;&gt;@PostConstruct//在bean  初始化 完成后，执行的初始化动作；
    @PreDestroy// 在容器  销毁 bean之前   ，通知 要执行 的 操作;

2&gt;&gt;@Bean(name = "car",destroyMethod = "destroy",initMethod = "init")
  ...]]></description><category></category></item><item><title><![CDATA[diagram_list _set_map]]></title><link>https://blog.youkuaiyun.com/wzflpll/article/details/99292264</link><guid>https://blog.youkuaiyun.com/wzflpll/article/details/99292264</guid><author>wzflpll</author><pubDate>Mon, 12 Aug 2019 11:12:58 +0800</pubDate><description><![CDATA[]]></description><category></category></item><item><title><![CDATA[JVM 调优]]></title><link>https://blog.youkuaiyun.com/wzflpll/article/details/97396558</link><guid>https://blog.youkuaiyun.com/wzflpll/article/details/97396558</guid><author>wzflpll</author><pubDate>Fri, 26 Jul 2019 16:58:11 +0800</pubDate><description><![CDATA[]]></description><category></category></item><item><title><![CDATA[redis 知识点]]></title><link>https://blog.youkuaiyun.com/wzflpll/article/details/97396503</link><guid>https://blog.youkuaiyun.com/wzflpll/article/details/97396503</guid><author>wzflpll</author><pubDate>Fri, 26 Jul 2019 16:57:01 +0800</pubDate><description><![CDATA[---redis 穿透--
1.解决方法 ：缓存空对象，设置过期时间（数据可能不一致）
2 布隆过滤器

-----缓存雪崩---
1.客户端降级
2.提前演练
3缓冲层高可用



----string

set

get

keys

randomkey

exists

del

rename

renamenx

move key db

type

ttl 查询过期时间，...]]></description><category></category></item><item><title><![CDATA[kafka 知识点]]></title><link>https://blog.youkuaiyun.com/wzflpll/article/details/97396442</link><guid>https://blog.youkuaiyun.com/wzflpll/article/details/97396442</guid><author>wzflpll</author><pubDate>Fri, 26 Jul 2019 16:55:58 +0800</pubDate><description><![CDATA[topic 主题
broker 实列
kafka集群 、consumer (offser 存在zK ，新版本已维护到本地)依赖zookeeper


]]></description><category></category></item><item><title><![CDATA[线程知识点]]></title><link>https://blog.youkuaiyun.com/wzflpll/article/details/97396247</link><guid>https://blog.youkuaiyun.com/wzflpll/article/details/97396247</guid><author>wzflpll</author><pubDate>Fri, 26 Jul 2019 16:54:26 +0800</pubDate><description><![CDATA[1.join:

线程A 调用了 线程B 的 join() 方法 ,线程A 必须等待线程B 执行完后 才能执行；



2.yield()、sleep()、wait()、notify()释放锁问题
调用yield()、sleep() 线程 持有的锁 不释放；
wait()调用方法前 必须持有锁，调用之后释放锁，wait()返回后持有锁；
notify()调用方法前 必须要只有锁,调用之后 的...]]></description><category></category></item><item><title><![CDATA[eclipse  纯净版  没有新建web 选项   how  to  deal it ？]]></title><link>https://blog.youkuaiyun.com/wzflpll/article/details/54311276</link><guid>https://blog.youkuaiyun.com/wzflpll/article/details/54311276</guid><author>wzflpll</author><pubDate>Tue, 10 Jan 2017 10:11:58 +0800</pubDate><description><![CDATA[eclipse  web  插件]]></description><category></category></item><item><title><![CDATA[Volley]]></title><link>https://blog.youkuaiyun.com/wzflpll/article/details/51730860</link><guid>https://blog.youkuaiyun.com/wzflpll/article/details/51730860</guid><author>wzflpll</author><pubDate>Tue, 21 Jun 2016 23:07:04 +0800</pubDate><description><![CDATA[Voell适用分析

Volley 非常适合去进行数据量不大，但通信频繁的网络操作，而对于大数据量的网络操作，比如说下载文件等，Volley的表现就会非常糟糕。

 下载Volley
http://download.youkuaiyun.com/detail/sinyu890807/7152015 





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