<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[The_OneRS的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/The_OneRS</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; The_OneRS]]></copyright><item><title><![CDATA[ES 索引只读问题解决]]></title><link>https://blog.youkuaiyun.com/The_OneRS/article/details/133340797</link><guid>https://blog.youkuaiyun.com/The_OneRS/article/details/133340797</guid><author>The_OneRS</author><pubDate>Wed, 27 Sep 2023 09:57:11 +0800</pubDate><description><![CDATA[即es存在一种flood_stage的机制. 默认的磁盘空间设置为95%, 当磁盘占用超过此值阈值时, 将会触发flood_stage机制, ES强制将各索引index.blocks.read_only_allow_delete设置为true, 即仅允许只读只删, 不允许新增.当对ES进行写操作是出现blocked by: [FORBIDDEN/12/index read-only / allow delete (api)];解决方法很简单, 仅需将对应es节点上的索引设置进行如下设置即可.]]></description><category></category></item><item><title><![CDATA[快慢指针找环的入口，Floyd算法推导]]></title><link>https://blog.youkuaiyun.com/The_OneRS/article/details/129662757</link><guid>https://blog.youkuaiyun.com/The_OneRS/article/details/129662757</guid><author>The_OneRS</author><pubDate>Mon, 20 Mar 2023 11:20:50 +0800</pubDate><description><![CDATA[快慢指针算法推导]]></description><category></category></item><item><title><![CDATA[clickhouse 集群搭建]]></title><link>https://blog.youkuaiyun.com/The_OneRS/article/details/127546016</link><guid>https://blog.youkuaiyun.com/The_OneRS/article/details/127546016</guid><author>The_OneRS</author><pubDate>Thu, 27 Oct 2022 10:33:49 +0800</pubDate><description><![CDATA[clickhouse 集群]]></description><category></category></item><item><title><![CDATA[clickhouse 安装踩坑]]></title><link>https://blog.youkuaiyun.com/The_OneRS/article/details/127527376</link><guid>https://blog.youkuaiyun.com/The_OneRS/article/details/127527376</guid><author>The_OneRS</author><pubDate>Wed, 26 Oct 2022 10:42:55 +0800</pubDate><description><![CDATA[clickhouse配置]]></description><category></category></item><item><title><![CDATA[修改es索引的"index.max_result_window"]]></title><link>https://blog.youkuaiyun.com/The_OneRS/article/details/101266328</link><guid>https://blog.youkuaiyun.com/The_OneRS/article/details/101266328</guid><author>The_OneRS</author><pubDate>Tue, 24 Sep 2019 09:50:49 +0800</pubDate><description><![CDATA[在Linux的命令行中执行：


curl -XPUT xx.xx.xx.xx:9200/indexName(要修改的索引名)/_settings -d '{"index.max_result_window":"1000000"}'

结果报错：


{"error":"Content-Type header [application/x-www-form-urlencoded] is not s...]]></description><category></category></item><item><title><![CDATA[通过JdbcTmeplate进行数据库连接时出现的问题]]></title><link>https://blog.youkuaiyun.com/The_OneRS/article/details/99410217</link><guid>https://blog.youkuaiyun.com/The_OneRS/article/details/99410217</guid><author>The_OneRS</author><pubDate>Tue, 13 Aug 2019 10:06:31 +0800</pubDate><description><![CDATA[为了简化对数据哭的操作，使用JdbcTmeplate来运行sql语句，但是在使用JdbcTmeplate自带的封装类BeanPropertyRowMapper时出现了以下错误：



通过阅读错误信息，可以发现时因为数据库中bonus这一字段有null值，而定义的Emp 类中，bonus字段是double类型的，这就导致无法将null转换为double类型。解决这个问题的方法很简单，只需要在定义E...]]></description><category></category></item><item><title><![CDATA[使用Druid连接池连接MySQL出现中文乱码问题的解决]]></title><link>https://blog.youkuaiyun.com/The_OneRS/article/details/99312769</link><guid>https://blog.youkuaiyun.com/The_OneRS/article/details/99312769</guid><author>The_OneRS</author><pubDate>Mon, 12 Aug 2019 17:01:08 +0800</pubDate><description><![CDATA[使用Druid连接MySQL时往里插入时出现了中文乱码问题。

解决方法：

1.首先在建立数据库的时候最好使用UTF-8编码，并且最好在建立数据库表的字段时重复设置一下。



2.设置好数据库的编码格式后还要设置连接数据库的连接池的URL

其格式如下：


jdbc:mysql://127.0.0.1:3306/db?useUnicode=true&amp;characterEncodin...]]></description><category></category></item><item><title><![CDATA[Elastic Search 和 Kibana 启动后外网无法访问的问题]]></title><link>https://blog.youkuaiyun.com/The_OneRS/article/details/94548231</link><guid>https://blog.youkuaiyun.com/The_OneRS/article/details/94548231</guid><author>The_OneRS</author><pubDate>Wed, 03 Jul 2019 09:37:17 +0800</pubDate><description><![CDATA[在虚拟机中启动了ES和Kibana后发现只能在虚拟机本地进行访问，而切换到外网后无法访问ES和Kibana 针对这个问题，送网上搜集了各种资料，接下来做一个总结。

1.ES无法访问的问题

1. 当发现外网无法访问ES时，第一时间想到了查看ES的配置文件elasticsearch.yml 经过查看后，发现默认配置中ES的网络设置里有这么一项


network.host: 192.168....]]></description><category></category></item></channel></rss>