猫鼬+实验室+大量数据 [英] Mongoose + Mlabs + Big amount of data

问题描述

我使用猫鼬，并做出反应以从mlab数据库中获取数据.问题在于，mlab数据库的大小为200 MB，它是超过40万个对象的集合.因此，当我获取时，我遇到了JS错误(内存不足)，或者请求在2或3分钟内处于待处理状态.

I use mongoose and react to fetch data from a mlab database. The probleme is that the mlab database have a size of 200 MB, it's a collection of more than 400 000 objects. So when i fetch i have JS error (out of memory) or the request is pending during 2 or 3 mins.

我不知道如何改善这一要求.

I don't know how to improve this request.

我还需要进行一些数据格式化，但我不知道它在后端还是前端会更好.

I also need to do some data formating and i don't know if it's better on back or front end..

我需要您的帮助以找到解决方案.非常感谢

I need your help to find a solution. Thanks a lot

推荐答案

您可以尝试

connection.model("myModel").find(query).limit(limit).skip(offset).exec()

query将是您搜索的条件

limit将是您要加载的元素数，

limit will be the number of elements you want to load,

offset将是您已经加载并且要跳过的元素的数量

offset will be the number of elements you already have loaded and you want to skip

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