尚站互联 php网站前台技术交流
Find -ctime 3 -type f xargs rm -rf. 3 days before. Find tmp -mtime 30 -type f -name .shab -exec rm -f ;. Mtime 30 设置时间为30天前. Type f 设置查找的类型为文件. Name .shab 设置文件名称中包含sha或者shb. Exec rm -f 查找完毕后执行删除操作. Find -mtime 30 -type f xargs rm -rf. 16,777,215 bytes. 4,294,967,295 bytes. 解读 高并发大数据的互联网业务架构设计思路是 解放数据库CPU将计算转移到服务层 并发量大的情况下这些功能很可能将数据库拖死业务逻辑放到服务层具备更好的扩展性能够轻易实现 增机器就加性能 6 非唯一索引名idx 唯一索引名uniq . B null 这种类型MySQL内部需要进行特殊处理增加数据库处理记录的复杂性 同等条件下表中有较多空字段的时候数据库的处理性能会降低很多. Vi usrlocal.
OVERVIEW
This site shangzh.com currently has a traffic classification of zero (the smaller the better). We were able to unearth one contacts and locations for shangzh.com to help you correspond with them. This site shangzh.com has been on the internet for six hundred and sixty-five weeks, three days, nineteen hours, and five minutes.
Contacts
1Locations
1Online Since
Sep 2012SHANGZH.COM RANKINGS
This site shangzh.com has seen variant amounts of traffic all round the year.
Date Range
1 week
1 month
3 months
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Last Year
All time
Date Range
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SHANGZH.COM HISTORY
This site shangzh.com was registered on September 18, 2012. This website was changed on July 28, 2014. It will go back on the market on the date of September 18, 2015. It is now six hundred and sixty-five weeks, three days, nineteen hours, and five minutes young.
REGISTERED
September
2012
UPDATED
July
2014
EXPIRED
September
2015
SITE AGE
12
YEARS
9
MONTHS
4
DAYS
LINKS TO WEB PAGE
WHAT DOES SHANGZH.COM LOOK LIKE?
CONTACTS
liyongzhang
yongzhang li
zhengzhoushijinshuiquwenhualushuangpulu91F
zhengzhou, henan, 450000
CN
SHANGZH.COM HOST
We discovered that a lone root page on shangzh.com took two thousand and forty-seven milliseconds to stream. I could not detect a SSL certificate, so our parsers consider this site not secure.
Load time
2.047 seconds
SSL
NOT SECURE
Internet Address
116.255.196.109
NAME SERVERS
dns3.zgsj.com
dns6.4cun.com