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淘宝应对双\"11\"的技术架构分析 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...余度。
大量使用缓存的最大问题就是数据一致性问题。如何保证底层数据的变化在尽可能短的时间内体现给最终用户呢？这一定是一个系统化的工程，尤其对于分层较多的系统来说。
图9 缓存控制体系
图9向我们展示了数据...
搭建高可用mongodb集群（三）—— 深入副本集内部机制 - 大数据 & AI - 清...
...着副本集的问题来看吧！
副本集故障转移，主节点是如何选举的？能否手动干涉下架某一台主节点。
官方说副本集数量最好是奇数，为什么？
mongodb副本集是如何同步的？如果同步不及时会出现什么情况？会不会出现不一致...
How do I import an SQL file using the command line in MySQL?
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Try:
mysql -u username -p database_name < file.sql
Check MySQL Options.
Note-1: It is better to use the full path of the SQL file file.sql.
Note-2: Use -R and --triggers to keep the routines and triggers of original databas...
How do I find out my MySQL URL, host, port and username?
I need to find my MySQL username. When I open the MySQL command line client, it only asks me for my password. I don't remember my username. And for connectivity with JDBC, I need the URL, host and port number. Where do I find all of these?
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grant remote access of MySQL database from any IP address
...nd grants for both localhost and network access. And, of course, be sure mysqld is bound to 0.0.0.0 vs. 127.0.0.1.
– Charlie Reitzel
Aug 8 '19 at 18:41
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MySQL: #126 - Incorrect key file for table
I got the following error from a MySQL query.
17 Answers
17
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[解决]MySql提示:The server quit without updating PID file(…)失败 - 数...
[解决]MySql提示:The server quit without updating PID file(…)失败服务器症状：今天网站web页面提交内容到数据库，发现出错了，一直提交不了，数找了下原因，发现数据写不进去！第一反应，重启mysql数据库，...服务器症状：
今天网站we...
How to get a list of user accounts using the command line in MySQL?
I'm using the MySQL command line utility and can navigate through a database. Now I need to see a list of user accounts. How can I do this?
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How to see log files in MySQL?
I've read that Mysql server creates a log file where it keeps a record of all activities - like when and what queries execute.
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MySQL > Table doesn't exist. But it does (or it should)
I changed the datadir of a MySQL installation and all the bases moved correctly except for one.
I can connect and USE the database. SHOW TABLES also returns me all the tables correctly, and the files of each table exists on the MySQL data directory.
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