Surpassing 100GB of data in your application requires you to have in-depth knowledge of how to operate and run MongoDB. MongoHQ recommends going through the 100GB Scaling Checklist as you grow. Watch the webinar recording on the subject fo
Surpassing 100GB of data in your application requires you to have in-depth knowledge of how to operate and run MongoDB. MongoHQ recommends going through the 100GB Scaling Checklist as you grow. Watch the webinar recording on the subject for the full overview:
- Identify your data behavior: Figure out how your data patterns and how they are working within your application. You will need to link your data to how your application accesses this data. Consider the simple queries and the more complex queries you will need to look up, like multi-range queries.
- Refactor your schema to simplify queries
- Remove data that does not fit MongoDB: remove “unrefactorable” data
- Separate hot and cold data
- Don’t lean on mongodump’: this disrupts RAM and causes performance issues. Consider other Backup options instead, like MMS Backup
- Check your gauges: Monitor, monitor, monitor. Even if you aren’t having performance problems, set this up now so you can keep a history of your
- Avoid queries causing page faults: MongoHQ has run benchmarks against this to prove this. A system running in memory that was running at 7,000 operations per second was cut down by 50% to 3,500 operations per second when adding 1% table scans churning on a disk.
- Track and monitor slow queries: use Dex, MongoProfessor, Mongo-QP or MongoHQ’s Slow Query Tracker.
- Buying time with hardware: Don’t get addicted to buying hardware. Before making a purchase, always consider optimization and investigate separating and pairing data.
Watch the full recording with tips from MongoHQ’s Chris Winslet here.
Partner Webinar: The Scaling Checklist for MongoDB - 100GB and beyond from MongoDB
原文地址:Scaling 100GB of Data, 感谢原作者分享。

data文件夹里面是系统及程序的数据,比如软件的设置和安装包等,Data文件夹中各个文件夹则代表的是不同类型的数据存放文件夹,无论Data文件指的是文件名Data还是扩展名data,都是系统或程序自定义的数据文件,Data是数据保存的备份类文件,一般可以用meidaplayer、记事本或word打开。

mysql load data乱码的解决办法:1、找到出现乱码的SQL语句;2、修改语句为“LOAD DATA LOCAL INFILE "employee.txt" INTO TABLE EMPLOYEE character set utf8;”即可。

区别有:1、xdata通常指的是自变量,data则是指整个数据集;2、xdata主要用于建立数据分析模型,data则是用于进行数据分析和统计;3、xdata通常用于回归分析、方差分析、预测建模,data则可以使用各种统计方法进行分析;4、xdata通常需要进行数据预处理,data则可以包含完整的原始数据。

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不是,vue组件中data必须是一个函数。vue中组件是用来复用的,为了防止data复用,将其定义为函数。vue组件中的data数据都应该是相互隔离,互不影响的,组件每复用一次,data数据就应该被复制一次,之后,当某一处复用的地方组件内data数据被改变时,其他复用地方组件的data数据不受影响,就需要通过data函数返回一个对象作为组件的状态。

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