mnesia：密集使用表
当我收到这样的消息时，像这样：
** WARNING ** Mnesia is overloaded: {dump_log, write_threshold}
知道哪个表正在被密集使用的方法是什么？我需要进行什么样的调试？
谢谢。
When I receive such message, like this:
** WARNING ** Mnesia is overloaded: {dump_log, write_threshold}
what is approach to known which table is being used intensively? What kind of debugging do I need to do?
Thanks.
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StreamHacker 上关于该主题的有趣帖子：
http:// /streamhacker.com/2008/12/10/how-to-eliminate-mnesia-overload-events/
文章中的建议之一是切换到同步写入，不确定这是一个很好的通用答案。它肯定会改变你的缩放特性，所以不要跳过工程和测量变化。
不过，
dc_dump_limit和dump_log_write_threshold都是不错的设置。默认值有点过于敏感。Interesting post over on StreamHacker on the subject:
http://streamhacker.com/2008/12/10/how-to-eliminate-mnesia-overload-events/
One of the suggestions in the article is switching to synchronous writes, not sure that this is such a good generic answer. It would certainly change your scaling characteristics, so don't skip engineering and measuring the change.
However both
dc_dump_limitanddump_log_write_thresholdare good settings to play with. The defaults are somewhat overly sensitive.