此外，您还将学习如何在MongoDB中使用GridFS存储大文件。
In addition, you'll also learn how you can store large files in MongoDB using GridFS.
BSON文档的最大大小是4MB，这不适合存储大文件和对象。
The maximum size of a BSON document is 4mb however, which makes them unsuitable for storing large files and objects.
MongoDB通过将文件划分为多个文档之间的较小块，使用GridFS规范来存储大文件。
MongoDB USES the GridFS specification to store large files, by dividing the file into smaller chunks among multiple documents.
如果是将跟踪信息存储到一个文件，则转储文件的大小只受空余空间和系统所允许的最大文件大小的限制。
If you are tracing to a file, the size of the dump file is limited only by the free space and maximum allowable file size on the system.
存储服务器采用对象的方式维护数据块，使用区段的形式分配空间，使数据块在磁盘上分布更加连续，提升了大文件访问的效率。
Section is the unit to allocate disk space. It makes the distribution of data blocks on disk more continuous and enhances the efficiency of large file access.
课题针对大字段数据存储的特点，经过一系列调整技术和优化方法的综合运用，提高了PD M系统的电子资料室中大文件数据的存取效率。
This subject aims at the trait of BLOB saving, through the adjustability and optimized methods to improve the efficiency of big data accessing in PDM data vault.
课题针对大字段数据存储的特点，经过一系列调整技术和优化方法的综合运用，提高了PD M系统的电子资料室中大文件数据的存取效率。
This subject aims at the trait of BLOB saving, through the adjustability and optimized methods to improve the efficiency of big data accessing in PDM data vault.
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