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Logstash实践: 分布式系统的日志监控 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...(我还要去维护宇宙和平的好嘛)。 这篇文章讲的就是如何解决分布式系统的日志管理问题。先给大家看看最终的效果: 单个屏幕上所有服务器的日志实时滚动着显示。每条日志开头还标明日志的来源(下图)。 实现这...
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How do I see all foreign keys to a table or column?

In MySQL, how do I get a list of all foreign key constraints pointing to a particular table? a particular column? This is the same thing as this Oracle question , but for MySQL. ...
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What's the recommended way to connect to MySQL from Go?

I am looking for a reliable solution to connect to a MySQL database from Go. I've seen some libraries around but it is difficult to determine the different states of completeness and current maintenance. I don't have complicated needs, but I'd like to know what people are relying on, or what's the m...
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ERROR: Error 1005: Can't create table (errno: 121)

I have troubles with forward engineering my MySQL database into WAMP server.. I was going to post an image of the schema but as this is my first post I can't. ...
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Maximum number of records in a MySQL database table

What is the upper limit of records for MySQL database table. I'm wondering about autoincrement field. What would happen if I add milions of records? How to handle this kind of situations? Thx! ...
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Should I use the datetime or timestamp data type in MySQL?

...ld you recommend using a datetime or a timestamp field, and why (using MySQL)? 39 Answers ...
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mysql -> insert into tbl (select from another table) and some default values [duplicate]

... With MySQL if you are inserting into a table that has a auto increment primary key and you want to use a built-in MySQL function such as NOW() then you can do something like this: INSERT INTO course_payment SELECT NULL, order_id...
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Throw an error in a MySQL trigger

... As of MySQL 5.5, you can use the SIGNAL syntax to throw an exception: signal sqlstate '45000' set message_text = 'My Error Message'; State 45000 is a generic state representing "unhandled user-defined exception". Here is a mo...
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MySQL get the date n days ago as a timestamp

In MySQL, how would I get a timestamp from, say 30 days ago? 3 Answers 3 ...
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Run php script as daemon process

... service: [Unit] Description=My PHP Daemon Service #May your script needs MySQL or other services to run, eg. MySQL Memcached Requires=mysqld.service memcached.service After=mysqld.service memcached.service [Service] User=root Type=simple TimeoutSec=0 PIDFile=/var/run/myphpdaemon.pid ExecStart=/u...