<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[chouxiaoru3968的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/chouxiaoru3968</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; chouxiaoru3968]]></copyright><item><title><![CDATA[SVN服务器创建版本库后的配置文件]]></title><link>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946264</link><guid>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946264</guid><author>chouxiaoru3968</author><pubDate>Thu, 19 Apr 2018 14:25:00 +0800</pubDate><description><![CDATA[假设有一个SVN版本库名字叫doc创建好后，应该修改conf下三个文件内容如下。 
svnserve.conf: [general] anon-access=read auth-access=write password-db=passwd authz-db=authz  pa...]]></description><category></category></item><item><title><![CDATA[使用Sonar扫描工程的代码]]></title><link>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946263</link><guid>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946263</guid><author>chouxiaoru3968</author><pubDate>Mon, 26 Mar 2018 20:07:00 +0800</pubDate><description><![CDATA[1、安装sonar所需的数据库表 CREATE DATABASE sonar CHARACTER SET utf8 COLLATE utf8_general_ci; 设置账号sonar，密码sonar GRANT ALL ON sonar.* TO 'sonar'@'%' IDENTIFIED...]]></description><category></category></item><item><title><![CDATA[Centos服务器中多版本Python带来的困惑问题]]></title><link>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946262</link><guid>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946262</guid><author>chouxiaoru3968</author><pubDate>Mon, 19 Mar 2018 10:52:00 +0800</pubDate><description><![CDATA[最近写了几个在crond中使用的python定时执行脚本。其中使用了datetime包中的timedelta的total_seconds()方法。配置定时执行的方式也很简单，就写成了 
*/5 * * * * root python abc.py 
写好后，发现定时执行的脚本每次执行都会报错，...]]></description><category></category></item><item><title><![CDATA[学习下Python的sklearn包做分类]]></title><link>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946261</link><guid>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946261</guid><author>chouxiaoru3968</author><pubDate>Fri, 26 Aug 2016 22:59:00 +0800</pubDate><description><![CDATA[写了一个简单的多类分类程序，给定一个数据集，在其上做10-fold交叉检验，输出loss，以及分类的结果。 
最关键的函数是def do_cross_validation(dict_feature_list, y_list, num_features, num_fold, clf)。各个参数的...]]></description><category></category></item><item><title><![CDATA[MySQL主从同步错误情况下的全量备份恢复]]></title><link>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946260</link><guid>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946260</guid><author>chouxiaoru3968</author><pubDate>Fri, 15 Jul 2016 15:19:00 +0800</pubDate><description><![CDATA[一个Web系统有一主两从的小型MySQL集群，通过Amoeba调度。近日发现主从之间的同步发生异常，从库无法更新数据。试了多种方法无法恢复后，决定重新建立从库数据。方法如下。 
假设主库为server1，两个从库为server2和server3 
主库server1的IP地址是192.168....]]></description><category></category></item><item><title><![CDATA[Logstash收集Tomcat集群日志的解决方案]]></title><link>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946257</link><guid>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946257</guid><author>chouxiaoru3968</author><pubDate>Mon, 30 May 2016 21:21:00 +0800</pubDate><description><![CDATA[场景描述：一个Web应用，前端设置了8个具有相同配置的Tomcat服务器，跑在Nginx反向代理后。每个Tomcat服务器运行在一个虚拟机上，要求能对Tomcat服务器的访问日志汇总存储并提供一定的分析能力。 
需要的开源软件：Logstash和Elasticsearch。通过在各个虚拟机上安...]]></description><category></category></item><item><title><![CDATA[Python监视MySQL正在运行的SQL]]></title><link>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946256</link><guid>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946256</guid><author>chouxiaoru3968</author><pubDate>Thu, 19 May 2016 16:56:00 +0800</pubDate><description><![CDATA[下面是代码片段，写得比较简陋，基本想法就是使用os.popen方法执行一段命令脚本mysql -uroot -padmin -e "show full processlist;"（不太好的一点是这里写了root用户的密码，比较危险），然后逐行扫描，将带有SQL关键字的行，写入文本文件，文本文件...]]></description><category></category></item><item><title><![CDATA[Redis 集群常见错误和处理方法收集（持续更新）]]></title><link>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946255</link><guid>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946255</guid><author>chouxiaoru3968</author><pubDate>Thu, 24 Mar 2016 16:06:00 +0800</pubDate><description><![CDATA[1、Too many redirections 
解决： 
1）查看创建集群时，不要使用127.0.01这种地址，使用实际地址。 
2）new JedisCluster(jedisClusterNodes(jedisClusterNodes, timeout, maxredirection)时...]]></description><category></category></item><item><title><![CDATA[Elasticsearch集群的搭建的参数配置]]></title><link>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946281</link><guid>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946281</guid><author>chouxiaoru3968</author><pubDate>Thu, 24 Mar 2016 11:02:00 +0800</pubDate><description><![CDATA[假设集群有三个节点192.168.1.4,192.168.1.5,192.168.1.6, 
以192.168.1.4为例子 
1、安装Elasticsearch 
强烈推荐直接从官方网站下载最新版本的rpm包，能省去很多事！ 
下载elasticsearch插件head包，解压缩到/usr/...]]></description><category></category></item><item><title><![CDATA[Redis集群的搭建]]></title><link>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946254</link><guid>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946254</guid><author>chouxiaoru3968</author><pubDate>Mon, 21 Mar 2016 23:37:00 +0800</pubDate><description><![CDATA[1、安装Redis 
下载文件http://download.redis.io/releases/redis-3.0.7.tar.gz 
解压redis，tar xzvf redis-3.0.7.tar.gz 
编译再安装 
make ; make install 
安装完毕后，用命令redi...]]></description><category></category></item><item><title><![CDATA[Elasticsearch的Java API的Cookbook]]></title><link>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946253</link><guid>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946253</guid><author>chouxiaoru3968</author><pubDate>Tue, 15 Mar 2016 14:49:00 +0800</pubDate><description><![CDATA[1、查询索引的数据量 
CountResponseresponse=client.prepareCount(indexname)
		.setQuery(QueryBuilders.matchAllQuery()).setTypes(indextype)
		...]]></description><category></category></item><item><title><![CDATA[Windows 7 64位安装Theano数值包]]></title><link>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946252</link><guid>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946252</guid><author>chouxiaoru3968</author><pubDate>Wed, 09 Mar 2016 21:26:00 +0800</pubDate><description><![CDATA[1、下载安装Anaconda，假设安装到D盘 
2、控制台执行命令conda install mingw libpython，下载安装mingw库 
3、控制台执行命令pip install theano，下载安装Theano 
4、设置环境变量 
在系统环境变量的path，添加值 
D:\A...]]></description><category></category></item><item><title><![CDATA[CentOS 一些常见问题的处理办法汇总]]></title><link>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946251</link><guid>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946251</guid><author>chouxiaoru3968</author><pubDate>Sat, 16 Jan 2016 21:57:00 +0800</pubDate><description><![CDATA[yum install 软件 显示404错误修改源，最简单的方法就是直接换一个国内的源，比如阿里的，参加这个网址操作修改yum的源即可。http://mirrors.aliyun.com/help/centos 
 centos虚拟机不能上网强烈建议从最幼稚、最简单的错误查起，不要盲目地...]]></description><category></category></item><item><title><![CDATA[Elasticsearch使用Python API做bulk insert的另一种方法]]></title><link>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946249</link><guid>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946249</guid><author>chouxiaoru3968</author><pubDate>Tue, 12 Jan 2016 15:50:00 +0800</pubDate><description><![CDATA[以前写过一个bulk insert，这次又查了下资料，看到另一种做法，说bulk里保存的是一段JSON数据序列，按照&lt;操作&gt;&lt;数据&gt;&lt;操作&gt;&lt;数据&gt;&lt;操作&gt;&lt;数据&gt;...的格式保存的。感觉比较古怪，自己写了一段python...]]></description><category></category></item><item><title><![CDATA[解决Elasticsearch  NoRouteToHostException]]></title><link>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946247</link><guid>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946247</guid><author>chouxiaoru3968</author><pubDate>Tue, 12 Jan 2016 15:42:00 +0800</pubDate><description><![CDATA[假设Elasticsearch运行在192.168.0.2修改config目录下的elasticsearch.yml 
改动如下内容 
network.bind_host: 192.168.0.2 
network.publish_host: 192.168.0.2 
network.host...]]></description><category></category></item><item><title><![CDATA[Python读取Redis数据导出到Elasticsearch]]></title><link>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946246</link><guid>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946246</guid><author>chouxiaoru3968</author><pubDate>Tue, 29 Dec 2015 20:40:00 +0800</pubDate><description><![CDATA[#!usr/bin/python
#-*-coding:utf-8-*-
importredis
importdatetime
fromelasticsearchimportElasticsearch
fromelasticsearch.helpersimportbul...]]></description><category></category></item><item><title><![CDATA[Elasticsearch搜索API使用二：常用聚集查询的写法]]></title><link>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946245</link><guid>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946245</guid><author>chouxiaoru3968</author><pubDate>Sat, 19 Sep 2015 14:46:00 +0800</pubDate><description><![CDATA[1、找出每天的独立IP访问来源 
使用nested aggregation，在一个date histogram aggregation做按照天分组后，再对每天的结果用cardinality aggregation计数 
POST/access/search/_search
{
"si...]]></description><category></category></item><item><title><![CDATA[Elasticsearch搜索API使用一：创建索引并指定索引类型的mapping]]></title><link>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946244</link><guid>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946244</guid><author>chouxiaoru3968</author><pubDate>Fri, 18 Sep 2015 22:03:00 +0800</pubDate><description><![CDATA[ES默认是动态创建索引和索引类型的mapping的。这就相当于无需定义Solr中的Schema，无需指定各个字段的索引规则就可以索引文件，很方便。但有时方便就代表着不灵活。比如，ES默认一个字段是要做分词的，但我们有时要搜索匹配整个字段却不行。如有统计工作要记录每个城市出现的次数。对于NAME...]]></description><category></category></item><item><title><![CDATA[Redis+Logstash+Elasticsearch+Kibana多Redis日志数据流]]></title><link>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946243</link><guid>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946243</guid><author>chouxiaoru3968</author><pubDate>Sat, 05 Sep 2015 20:03:00 +0800</pubDate><description><![CDATA[本文描述了一个简单的case，讲解怎么在logstash进行配置，将多个日志数据流，通过redis缓存接收，再导出到elasticsearch多个索引，即一类日志数据对应一类索引。 
假设有两组日志数据由日志端写入redis缓存，两组日志标记其类型为redis-data-A和redis-dat...]]></description><category></category></item><item><title><![CDATA[MySQL排名SQL语句写法]]></title><link>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946242</link><guid>https://blog.youkuaiyun.com/chouxiaoru3968/article/details/100946242</guid><author>chouxiaoru3968</author><pubDate>Tue, 01 Sep 2015 09:04:00 +0800</pubDate><description><![CDATA[通常在使用MySQL时，会碰到根据多个排名条件计算一组数据的排名情况，条件相同的则排名一致。 
假设有表table，两个条件字段conditionA降序排序和conditionB升序排序，条件相同排名一致，排名信息保存在dense_rank字段。 
做法：定义@conditionA，@con...]]></description><category></category></item></channel></rss>