摘要：
维护窗口和停机时间 可用率99.99%QQ的可用率是 99.99% http://www.sqlskills.com/blogs/paul/survey-target-uptime-planned-actual/t’s been five years(!) since the last time I 阅读全文
posted @ 2016-10-12 10:35
huangchaolilli
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