<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[crazy_cuke的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/crazy_cuke</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; crazy_cuke]]></copyright><item><title><![CDATA[定时监视redis，自动重启redsi服务]]></title><link>https://blog.youkuaiyun.com/crazy_cuke/article/details/50379386</link><guid>https://blog.youkuaiyun.com/crazy_cuke/article/details/50379386</guid><author>crazy_cuke</author><pubDate>Tue, 22 Dec 2015 13:41:21 +0800</pubDate><description><![CDATA[public class ReStartTestRedis extends PoolConfig{

	private static int failGetPoolResourceCount = 0;//累计连接失败的次数
	private static final String start = "start.bat";
	private static final String stop = "s]]></description><category></category></item><item><title><![CDATA[集合分割]]></title><link>https://blog.youkuaiyun.com/crazy_cuke/article/details/49635817</link><guid>https://blog.youkuaiyun.com/crazy_cuke/article/details/49635817</guid><author>crazy_cuke</author><pubDate>Wed, 04 Nov 2015 12:04:43 +0800</pubDate><description><![CDATA[整理比较全的集合分割算法
需求：
把一个大的集合分成若干小的集合，然后利用多线程来同时处理这几个小集合的数据.]]></description><category></category></item><item><title><![CDATA[SQL优化总结1]]></title><link>https://blog.youkuaiyun.com/crazy_cuke/article/details/49620831</link><guid>https://blog.youkuaiyun.com/crazy_cuke/article/details/49620831</guid><author>crazy_cuke</author><pubDate>Tue, 03 Nov 2015 19:42:28 +0800</pubDate><description><![CDATA[ORACLE 优化手段:
绑定数量
result cache 将某更新不频繁的表的结果中存在缓存中，下次直接读缓存,如果改表有更新，缓存自动失效
表联合查询时，9I前大表（结果集），小表（结果集）的位置
block块的大小的设置，设置小，则IO频繁，CUP低耗，反之反之
索引：主外键索引，分区表中有全局索引和局部索引，位图索引
分区表：有大表时，通过分区条件在小范围内查询
临时表:在]]></description><category></category></item><item><title><![CDATA[oracle 高级SQL总结]]></title><link>https://blog.youkuaiyun.com/crazy_cuke/article/details/49617603</link><guid>https://blog.youkuaiyun.com/crazy_cuke/article/details/49617603</guid><author>crazy_cuke</author><pubDate>Tue, 03 Nov 2015 16:06:58 +0800</pubDate><description><![CDATA[树型显示
select empno,rpad('-',level-1,'-')||ename as ee,prior ename as manager,sal from emp start with mgr is null connect by prior empno=mgr;]]></description><category></category></item></channel></rss>