<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[u013887652的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/u013887652</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; u013887652]]></copyright><item><title><![CDATA[降低进程优先级，OOM时优先kill自己的操作]]></title><link>https://blog.youkuaiyun.com/u013887652/article/details/159721875</link><guid>https://blog.youkuaiyun.com/u013887652/article/details/159721875</guid><author>u013887652</author><pubDate>Wed, 01 Apr 2026 11:05:57 +0800</pubDate><description><![CDATA[【代码】降低进程优先级，OOM时优先kill自己的操作。]]></description><category></category></item><item><title><![CDATA[clickhouse添加二级索引备忘]]></title><link>https://blog.youkuaiyun.com/u013887652/article/details/132092040</link><guid>https://blog.youkuaiyun.com/u013887652/article/details/132092040</guid><author>u013887652</author><pubDate>Thu, 03 Aug 2023 20:48:32 +0800</pubDate><description><![CDATA[【代码】clickhouse添加二级索引备忘。]]></description><category></category></item><item><title><![CDATA[openssl生成nginx的自签证书（备忘）]]></title><link>https://blog.youkuaiyun.com/u013887652/article/details/131722315</link><guid>https://blog.youkuaiyun.com/u013887652/article/details/131722315</guid><author>u013887652</author><pubDate>Fri, 14 Jul 2023 14:10:07 +0800</pubDate><description><![CDATA[openssl生成nginx自签证书]]></description><category></category></item><item><title><![CDATA[修改clickhouse列的类型]]></title><link>https://blog.youkuaiyun.com/u013887652/article/details/131540163</link><guid>https://blog.youkuaiyun.com/u013887652/article/details/131540163</guid><author>u013887652</author><pubDate>Tue, 04 Jul 2023 17:53:42 +0800</pubDate><description><![CDATA[【代码】修改clickhouse列的类型。]]></description><category></category></item><item><title><![CDATA[clickhouse带条件插入数据]]></title><link>https://blog.youkuaiyun.com/u013887652/article/details/131384606</link><guid>https://blog.youkuaiyun.com/u013887652/article/details/131384606</guid><author>u013887652</author><pubDate>Sun, 25 Jun 2023 19:38:18 +0800</pubDate><description><![CDATA[备忘，sql的逻辑是如果不存在就插入，但是暂时不知道如果存在则更新的sql语句应该怎么写，因为clickhouse的插入暂不支持更新的方法。]]></description><category></category></item><item><title><![CDATA[clickhouse增加物化（MATERIALIZED）列和列重命名]]></title><link>https://blog.youkuaiyun.com/u013887652/article/details/130867703</link><guid>https://blog.youkuaiyun.com/u013887652/article/details/130867703</guid><author>u013887652</author><pubDate>Thu, 25 May 2023 15:09:43 +0800</pubDate><description><![CDATA[【代码】clickhouse增加物化（MATERIALIZED）列和列重命名。]]></description><category></category></item><item><title><![CDATA[使用python对数据进行管道式处理]]></title><link>https://blog.youkuaiyun.com/u013887652/article/details/130553605</link><guid>https://blog.youkuaiyun.com/u013887652/article/details/130553605</guid><author>u013887652</author><pubDate>Mon, 08 May 2023 10:22:47 +0800</pubDate><description><![CDATA[【代码】使用python对数据进行管道式处理。]]></description><category></category></item><item><title><![CDATA[Linux下通过ctrl+c结束一个python线程]]></title><link>https://blog.youkuaiyun.com/u013887652/article/details/130126347</link><guid>https://blog.youkuaiyun.com/u013887652/article/details/130126347</guid><author>u013887652</author><pubDate>Thu, 13 Apr 2023 11:25:32 +0800</pubDate><description><![CDATA[【代码】Linux下通过ctrl+c结束一个python线程。]]></description><category></category></item><item><title><![CDATA[WAL与AOF与RDB]]></title><link>https://blog.youkuaiyun.com/u013887652/article/details/129683861</link><guid>https://blog.youkuaiyun.com/u013887652/article/details/129683861</guid><author>u013887652</author><pubDate>Tue, 21 Mar 2023 11:15:29 +0800</pubDate><description><![CDATA[备忘]]></description><category></category></item><item><title><![CDATA[clickhouse输出成JSONEachRow格式并在前面后面加上括号]]></title><link>https://blog.youkuaiyun.com/u013887652/article/details/129593174</link><guid>https://blog.youkuaiyun.com/u013887652/article/details/129593174</guid><author>u013887652</author><pubDate>Thu, 16 Mar 2023 17:34:33 +0800</pubDate><description><![CDATA[由于目前的数据存在clickhouse中，需要将数据导出来成JSONEachRow的格式，但是经过搜索发现，clickhouse将Uint64格式的字段变成了字符串，这显然不符合需求，一通搜索后，发现了这篇。公司项目需要用到全文检索，但是不想用到elasticsearch。自己随便调研的时候发现了一个叫。]]></description><category></category></item><item><title><![CDATA[C语言生成动态库和静态库及其加载运行]]></title><link>https://blog.youkuaiyun.com/u013887652/article/details/129562589</link><guid>https://blog.youkuaiyun.com/u013887652/article/details/129562589</guid><author>u013887652</author><pubDate>Wed, 15 Mar 2023 18:23:53 +0800</pubDate><description><![CDATA[C语言的静态库和动态库]]></description><category></category></item><item><title><![CDATA[禁用clickhouse缓存]]></title><link>https://blog.youkuaiyun.com/u013887652/article/details/129442404</link><guid>https://blog.youkuaiyun.com/u013887652/article/details/129442404</guid><author>u013887652</author><pubDate>Fri, 10 Mar 2023 14:40:11 +0800</pubDate><description><![CDATA[clickhouse禁用缓存]]></description><category></category></item><item><title><![CDATA[在已经进入的clickhouse client中加入参数]]></title><link>https://blog.youkuaiyun.com/u013887652/article/details/129161638</link><guid>https://blog.youkuaiyun.com/u013887652/article/details/129161638</guid><author>u013887652</author><pubDate>Wed, 22 Feb 2023 14:11:51 +0800</pubDate><description><![CDATA[备忘]]></description><category></category></item><item><title><![CDATA[python的孤儿进程与僵尸进程的演示]]></title><link>https://blog.youkuaiyun.com/u013887652/article/details/128705490</link><guid>https://blog.youkuaiyun.com/u013887652/article/details/128705490</guid><author>u013887652</author><pubDate>Mon, 16 Jan 2023 16:14:53 +0800</pubDate><description><![CDATA[rt]]></description><category></category></item><item><title><![CDATA[套接字的shutdown与close]]></title><link>https://blog.youkuaiyun.com/u013887652/article/details/128704493</link><guid>https://blog.youkuaiyun.com/u013887652/article/details/128704493</guid><author>u013887652</author><pubDate>Mon, 16 Jan 2023 15:15:28 +0800</pubDate><description><![CDATA[分别运行上面的server.py与client.py，可以发现在server.py在接收一次后，就无法接收了，因为对于server来说，它的读通道被关闭了。此时再次运行server.py和client.py，则可以发现在server端接收了3次后，无法向client端发送数据。，当时在shutdown与close中没有加入例子，这篇文章是一篇补充。将server.py的shutdown参数换成socket.WR。]]></description><category></category></item><item><title><![CDATA[持续监控某个进程的输出]]></title><link>https://blog.youkuaiyun.com/u013887652/article/details/128704433</link><guid>https://blog.youkuaiyun.com/u013887652/article/details/128704433</guid><author>u013887652</author><pubDate>Mon, 16 Jan 2023 14:57:16 +0800</pubDate><description><![CDATA[备忘]]></description><category></category></item><item><title><![CDATA[shell中查看上一个进程的返回状态码]]></title><link>https://blog.youkuaiyun.com/u013887652/article/details/128666888</link><guid>https://blog.youkuaiyun.com/u013887652/article/details/128666888</guid><author>u013887652</author><pubDate>Thu, 12 Jan 2023 21:44:58 +0800</pubDate><description><![CDATA[从上面可以看到，当命令pwd正常运行后，可以得到一个正确的返回值0，而输入一个不存在的命令后，则返回码为127，表示错误。]]></description><category></category></item><item><title><![CDATA[python进程绑定CPU]]></title><link>https://blog.youkuaiyun.com/u013887652/article/details/128663484</link><guid>https://blog.youkuaiyun.com/u013887652/article/details/128663484</guid><author>u013887652</author><pubDate>Thu, 12 Jan 2023 17:25:09 +0800</pubDate><description><![CDATA[python进程绑定CPU]]></description><category></category></item><item><title><![CDATA[python根据类型的id（地址）还原该类型]]></title><link>https://blog.youkuaiyun.com/u013887652/article/details/128461617</link><guid>https://blog.youkuaiyun.com/u013887652/article/details/128461617</guid><author>u013887652</author><pubDate>Tue, 27 Dec 2022 21:21:31 +0800</pubDate><description><![CDATA[备份]]></description><category></category></item><item><title><![CDATA[requests库报错，requests.exceptions.SSLError: HTTPSConnectionPool (Caused by SSLError(SSLError(1, ‘[SSL:]]></title><link>https://blog.youkuaiyun.com/u013887652/article/details/125873187</link><guid>https://blog.youkuaiyun.com/u013887652/article/details/125873187</guid><author>u013887652</author><pubDate>Tue, 19 Jul 2022 15:26:43 +0800</pubDate><description><![CDATA[解决request库ssl证书报错问题]]></description><category></category></item></channel></rss>