器量大者,福泽必厚
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发布时间:2014-09-11 15:02:40
刚刚到公司,看到老板邮件:The website speed of l***b was very low. Ittakes 16s to open an article. Could you please take a look? There is no problemfor D** and g***z显然是告诉我l***b网站的访问速度慢开始我怀疑是l***b被清空memcache所致,我们机器上有个脚本每6个小时清空一次memcache的缓存,.........【阅读全文】
发布时间:2014-09-10 15:35:42
How to track down the source of Aborted_connectsAugust 23, 2008 by Baron Schwartz 20 CommentsTweetYesterday I helped someone who was seeing a lot of “server has gone away” error messages on his website. While.........【阅读全文】
发布时间:2014-09-03 15:33:42
mysql安全删除大表By W维西 | 2012 年 11 月 14 日2条评论【问题隐患】由于业务需求不断变化,可能在DB中存在超大表占用空间或影响性能;对这些表的处理操作,容易造成mysql性能急剧下降,IO性能占用严重等。先前有在生产库drop table造成服务不可用;rm 大文件造成io跑.........【阅读全文】